I step back with my strong foot plus lean back slightly at the waist and this opens up access to the holster mouth, Being Armed Is A Mindset, Not A Physical Condition - Rob Pincus. if i were to have a negligent discharged id bleed out in seconds , a round lengthwise to the femoral artery is game over.. this might ease my mind a little as i "holster " the weapon. To ensure your trigger isn't being pressed, just as with the Striker Control Device. LTT Striker Control Device for Glock Handguns Formerly developed by Tau Development Group, Langdon Tactical Technology, Inc. is now manufacturing the Striker Control Device. It is possible to prevent rearward travel of the trigger by applying enough pressure to the SCD, but this is not a practice that I recommend. Hopefully they will be available again soon. Wonder if they make ones for other guns. I don't see it or use it as a way to truly control anything; to me it's simply a feedback device; a way to know if something is moving the trigger much like an external hammer does on a da . What is the Striker Control Device? MISC Training Course Announcements & AAR's, Former Vickers Shooting Method Regional Instructors, Pacific Northwest Training and Networking, All Other Longgun Parts, Accessories, & Magazines (EE), Handgun Parts, Accessories & Magazines (EE), If this is your first visit, be sure to It also analyzed reviews to verify trustworthiness. Striker fired guns (namely Glock) have come to dominate the market, for reasons that don't really have a lot to do with being striker fired. Although perhaps extremely contrived, it could be argued that it could pose a problem in certain contact shooting situations were either the attacker has a hand on your weapon or youre in a very precarious position and must physically force or hold the gun into battery. He also has experience competing in USPSA, CAS, 3 Gun, and Steel Challenge. And, thats really all it is. As you holster your Glock you press on the SCD with your thumb, the SCD then blocks the rearward motion of the striker, that blocks the movement the trigger bar which prevents the trigger from moving and the pistol from firing. Where shooters most often run into trouble is when holstering their pistol. The SCD blocks movement of the trigger bar and prevents the trigger from moving. "You'll shoot your dick off!". The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks the. For the average CCW is the primary use live fire draw practice? Something a little different from one of America's oldest gun manufacturers. Keeping your thumb on the back of the hammer gives you positive feedback should something be caught in the trigger guard to prevent the gun from firing. I have them on my most carried Glocks. FNH FNX 45 Tactical Review: The Civilian Tactical Masterpiece? An accidental discharge would then be accompanied by a broken or severely injured thumb. Enter to WIN the Smith & Wesson and Black Hills package. Yep stalked them daily until I finally got mine. Check out the review and let me know what you think. Instead of calling it "striker control device" and doesnt really control anything, it should be called "swinging rear flap" I mean seriously it doesnt prevent anything when being put in your holsters, by the time you feel it I think itd be too late your trigger will be pulled. Ahh yes the perfect aftermarket accessory for when you dont want to fork over the money to get a gunsmith to install a thumb safety or when you dont want to risk decreasing the value of your gun with a permanent modification, Please send all support inquiries to support@lonestarstatefirearms.com, 2022 LoneStarStateFirearms.com | Designed & Hosted by, TOUR AND TESTING OF HIGH TOWER BULLPUP CONVERSION REVIEW. Its rare, yes, but it can happen. Let me explain: Here's a clip of my Glock 19's sear dropping. If proper technique is not enough for you, fret not. It is two pieces of metal that replace the Glock's slide cover plate. http://taudevgroup.com/scd Support our channel. Don't Glock Yourself: The Striker Control Device Lucky Gunner Ammo 505K subscribers Subscribe 318K views 3 years ago Even though Glocks and similar polymer striker-fired pistols are now the. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. The Striker Control Device (SCD) replaces the slide cover plate on your Glock pistol. Holistic Solutions Group Night Fighter 1 AAR [2023], Ranking The Halo Campaigns (Legendary Difficulty), Palmetto State Armory & H&R - SHOT Show 2023. I dont appendix carry, but if I did, I would absolutly put one of these Striker control devices on my Glocks. It was originally developed by Tom Jones and Todd Louis Green from the inspiration of double action hammer fired pistols, where shooters are taught to keep their thumb on the hammer when holstering. The SCD also doesnt stop the gun from working. Lucky Gunner Ammo, I cant find these things anywhere. Problems can be magnified under stress, such as during training or after a defensive gun use. Only logged in customers who have purchased this product may leave a review. I thought the hype was overblown until briefly moving away from the Glock in 2020 for review purposes. When using any normalfiring grip (IE: hand is not on the back of the slide), the SCD is not engaged, acting as a traditional back plate. Glock Striker Control Device (SCD) (8 reviews) Write a Review $78.95 - $84.95 or 4 interest-free payments of $19.74 - $21.24 with SKU: SCD Striker Control Device: Required LTT SCD - Gen 5 (Full-Size) LTT SCD - Slim Frame Only (43, 43X, 48) LTT-SCD - Gen 1-4 Quantity: Buy Now Overview Videos Reviews LTT Striker Control Device for Glock Handguns Originally manufactured by Tau Development Group, the Striker Control Device (SCD) has returned for Gen 5 Glocks. It then fell apart when my Glock 17 Gen 4 was disassembled for cleaning (see photo). Imma pass. But with the rise of Appendix Inside the Waistband (AIWB) carry,. Ive recently fallen in love with a Glock 17 and have been considering carrying it. The SCD does not lock or otherwise interfere with the normal operationof the pistol. The Gadget a Striker Control Device enhancing safety of Glock pistols. Does anyone out there know where I can get one for my 42? I have actually come across a couple of reported incidents over the years of the latter scenario involving LEOs. One of the appeals of the revolver as the main carry gun for law enforcement was the added safety of the heavy double action pull of each firing of the gun, which effectively eliminated most all accidental discharges due to the necessity of having to be very deliberate with each pull of the trigger. Does anyone know of any companies planning to offer a quality version of this and not some cheap eBay knock off? Don't assume that the other guy is less skilled, or less trained. Sometimes, what seems like good advice at the time is proven later to be not so great. Installation of any firearm parts may limit or void the manufacturers warranty. GLOCK. But then notice how many military and law enforcement guns historically are hammer fired, single/double action type. Tried it once. I think a lot of hate for this sort of thing comes from fear that the government will start requiring it on everything once they see it as opposed to what it actually is or does. As for malfunctioning, well, the SCD is comprised of exactly three pieces: two plates on a hinge. No problems. Spend the money to get it right. Its analogous to putting your thumb on the back of a hammer, either on a revolver with an exposed hammer or a DA/SA semi-auto like a Beretta 92 or SIG Sauer 226. Glock striker control Device. most peoples egos lead them falsely to believe they are safe because they have a weapon. Absolutely. This is a great idea and would undoubtedly win over a lot of hammer pistol holdouts. The SCD is completely passive. The manufacturer and patent holder stopped production and let patent expire. The real problem with any aftermarket gizmo is it may prevent the weapon from firing. (verified owner) May 14, 2022. WHY would you keep pushing the pistol down if you had sensory input that something is moving the trigger?? Click here to view our entire selection of Parts and Accessories. Love that these in production again. LTT has taken theGlock platform and upgraded it to meet the custom without compromise standards of our customers. I recently stumbled upon an interesting product called the Striker Control Device from a company called Tau Development Group. The Fora platform includes forum software by XenForo, https://www.youtube.com/channel/UCIAf1epEIv5uRzMlLzk68HA, Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. 26K views 9 months ago Langdon Tactical Technologies has brought back the beloved Striker Control Device! The combined round count of other Primer Peak staff takes this up to 26,000 rounds without issue. $22.95 for an item that usually sells for $70+???? I emailed Tau and he said more are coming but they don't have an eta. Today were going to talk about what the SCD does and how it works. My dreams all gone, the entirety of my life wasted on folly. It was originally developed by Tom Jones and Todd Louis Green from the inspiration of double action hammer fired pistols, where shooters are taught to keep their thumb on the hammer when holstering. Firearms: Lubes, Cleaners, & Maintenance GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. Are they still making these? Not uncommon for the scammers to advertise those with a picture of the real item. Get the best deals for glock striker control at eBay.com. It's passive until holstering, when your thumb is placed on the back of the SCD. Anyone knows what is going on there? Every Glock I own features an SCD. No liability is expressed or implied for ANY damage or injury which may result from improper installation or use of this product. (verified owner) May 6, 2022. Sure; guns area dangerous, and using them improperly can certainly result in unwanted perforations. Is there some validity to the above statements? Daniel has also written and edited for The Kommando Blog. For a better experience, please enable JavaScript in your browser before proceeding. I didn't know they weren't made anymore, that blows. Don't take our word for it. I think I will be buying one. Unlike the original SCD, the hinged portion of this SCD is not free floating, and rubs up against the sides. The act of pressing the trigger drives the striker reward, fully cocking the gun before firing. People will buy all these safety gadgets to avoid putting in the real work that is required and thats training.. Wow, I didnt know such a thing existed. Thats it. Too bad they are "sold out" for more than a year. The SCD doesnt affect operation of the handgun in any way, and is really only a net positive. If the trigger were to catch, initiating a pull, youll feel the SCD moving (or, trying to move) under your thumb. Disclaimer:The SCD does NOT replace safe gun handling. This safe, simple, and fast system allows the user to concentrate fully on shooting without having any additional . So I can get gun without no issues at my doorstep,i really appreciate the name above he proved me one gun. Great at what it does, particularly when holstering in odd or awkward positions. http://taudevgroup.com/scd. This handgun comes with a serial-matched Glock polymer case, instruction manual with factory handouts, a locking device with keys, . Better idea, trade the Glock for an M&P with a proper factory manual safety. Shoots faster and more accurately while eliminating light strikes. What does the device do? A forum community dedicated to Glock firearm owners and enthusiasts. The LTT SCD works with all of the Gen 5 Glock pistols. No issues thus far, no impact on trigger feel. The ebay one for $23 is made out of aluminum, while the $80 (which I have) is all steel. I dont believe its a gimmick because it works exactly as advertised. First, I would NEVER suggest to any new gun owner that they EVER place there thumb on the back of the slide of any gun at any time. Not a user of it (or a fan of the concept). We have spent the time and effort to make Glock 45w/ Trigger Job from LTT The SCD does just that for the Glock striker fired pistols. I practice holstering my Glocks and I ensure that my garments and any other obstruction are clear from the holster mouth. The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks the rearward motion of the striker when thumb pressure is applied to the back of the slide - similar to a hammer on a DA/SA hammer fired pistol. After much research and thought, I've decided to install the "Gadget" or "Striker Control Device" on my G42/G48/G44. Just as I became interested in this product it seems the original manufacturer has discontinued production. Copyright 2023 Langdon Tactical Technology. Folding stock, 16 inch barrel and uses 50 round magazines loaded with 5.7x28mm. Buy Glock 43 G43 9mm Striker Fired Slimline Semi Automatic Pistol, circa 2015: GunBroker is the largest seller of Semi Auto Pistols Pistols Guns & Firearms All: 962860523 . I know, keep your finger off the trigger if you don't want the gun to fire. JavaScript is disabled. This is a component bound to make people glance over . Once the trigger is pressed, the rearward traveling striker impinges upon the hinged SCD plate, pushing it slightly reward. Don't Glock Yourself: The Striker Control Device. Once the trigger is pressed, the rearward traveling striker impinges upon the hinged SCD plate, pushing it slightly reward. You lose nothing in terms of Glock reliability, and gain a massive boost in risk mitigation. U had me sold till you said the price. After using one its pretty much mandatory for any Glock I own and carry. Now in the extremely capable hands of Langdon Tactical Technology (LTT), the SCD is again available for purchase. My daily firearms musings can be found over at my gun blog ArmoryBlog.com and Instagram. Wish all of my striker pistols had the equivalent of this device. Hammer fired guns can have a lighter trigger pull (at least in SA), have a somewhat more powerful strike on the primer, and can be decocked without a trigger pull. The PDW Glock with folding brace, not holster friendly issue could be remedied with a simple $10 Kydex Trigger Guard cover. Buy ammo from us at Lucky Gunner! Or, even better, remove the holster first, insert the gun, then reinsert them together. Does not affect trigger press and is very reassuring when going back to holster in appendix carry. Nobody has commented on any time frames. The best way (IMHO) to avoid accidental discharge is to simply avoid purchasing or shooting striker fired guns. As you put the gun in the holster, you feel the Striker Control Device pressing into your thumb, telling you that something is putting pressure on the trigger. When you holster a gun with a physical hammer, you put your thumb on the hammer to prevent movement. MSRP on the Langdon Tactical Striker Control Device varies depending on the model of Glock handgun and ranges from $78.95 to $84.95. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. Barely fits with resistance. Practicing Safety: The Glock Striker Control Device | An Official Journal Of The NRA Join Renew Donate Explore The NRA Universe Of Websites CLOSE Quick Links NRA.ORG Manage Your Membership NRA. If I had a glock I would sell it and get a proper handgun designed with a trigger safety. LPK For Glock 17 Polymer Trigger Both Extended Release /Slide Lock & Mag Release . @luckygunnerammo can you please update the description with the new way to purchase this device? Long time gun enthusiast, Sci-Fi nerd, Whiskey drinker, online marketer and blogger. Sad too cuz I was looking at the 43x for an appendix carry but if the thing doesnt work as it should, I dont feel comfortable carrying a Glock for cc. And that is why a couple of really smart guys from the Tau Dev Group developed the Striker Control Device. Without pressure on the trigger, the plate remains flush with the rear of the slide. This 2023 JNews - Premium WordPress news & magazine theme by Jegtheme. Every time I went to holster the other gun, a nagging "what if?" If that's not high enough praise, I don't know what is. A forum community dedicated to Glock firearm owners and enthusiasts. If you are able to purchase, they are in stock. However, the SCD is analogous to a door hingehow often do you see those fail? So basically all Glocks are double action striker fired pistols.. What is it, you ask? The slight movement of the SCD provides a tactile reference for the shooter, alerting them to something pressing the trigger. I believe that the Striker Control Device is a must-have piece of equipment for my Glock pistols. Again, its to add a layer of safety to the holstering process. The Striker Control Device (SCD) replaces the slide cover plate on your Glock pistol. Will be getting one myself,sounds like a great part for your gun, should come with it from factory. The Striker Control Device gives me the same extra layer of safety that putting my thumb on the hammer of my Smith & Wesson 3953 hammer-fired double-action-only pistol provided. Daniel holds instructor certifications from Rangemaster, Agile Training & Consulting, and the NRA. Ive used one for over 10k rounds. New Year, New FREE GUN FRIDAY! Installation of the SCD requires you to remove the existing backplate and install the SCD. The device usually runs about $80. This device is for safe reholstering of Glock pistols, it allows you to push down on the slide cover plate when inserting the gun into the holster preventing the striker from moving, it is 100% passive safety device and will not make the gun inoperable even if it were to break off or whatever, has very good reviews online Primary And Secondary Reviewed in the United States on June 5, 2022. I dont see the harm in adding another layer of safety. NOTE: This is not a public storefront.DO NOT SHIP ITEMS HERE. You can see the sear moves backwards (to finish cocking the striker), then drops to allow the striker to hit the primer. Zero customer support, Reviewed in the United States on August 8, 2022. This is especially helpful for appendix carry. For more information or to order an SCD, visit langdontactical.com. This item: SCD Striker Control Device Glock Gen 1-4 Model 17-41 - Stainless Steel $65.00 TRUGLO Tritium Green Gun Night Sight Compatible with Glock - Tool Combos Available $61.68 Product Description Striker Control Device for Glock Gen 1-4 pistols. See how under the Customer Service tab. They work exactly as advertised and don't affect reliability at all. No, not very. Forums. Not that I know of unless you can find one used, maybe post in the WTB. Formerly de Langdon Tactical's SCD is well made and actually works exactly as it should. Don't put **** on your gun that affects reliability of the fire control system. It sounds like supply chain issues from a friend of the company. What is the Striker Control Device? You might know it as "The Gadget." DISCLAIMER:We recommend that this product as well as all other firearms parts & kits sold by Langdon Tactical be installed by a competent pistolsmith. Certainly. When thumb pressure is applied to the SCD it blocks the rearward motion of the striker, which blocks movement of the trigger bar and prevents the trigger from moving. I'm pretty sold on the concept and I think there is no reason not to add these. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. TAU Developments website shows them sold out for all models and its been that way for months. It is, quite simply, a device that lets you know when the striker of your Glock is moving. The SCD (Striker Control Device)is a device that replaces your Glocks slide cover plate and adds another layer of safety when holstering your Glock. New posts Search forums. "Speed is fine, accuracy is final" Larry A. Vickers, USA (Ret). Craig Douglas, Chuck Haggard, and others have been using SCDs on both live ammunition and Simunition guns for years. Though a total lack of social media presence is concerning. There is the Frame mounted manual safety and a Slide mounted (to rear) manual safety version from BHSS RDIH that can also be padlocked. I CHECKED THE SIGHT , AND SOLD OUT. The use of GLOCK on this page is merely to advertise the sale of GLOCK pistols, parts, or components. At this time Tau Development Group doesn't produce any other product beyond the Striker Control Device for all current production Glock models. These are just a few things people say when you mention carrying a Glock handgun, especially when using the appendix concealment position. The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks therearwardmotion of the striker when thumb pressure is applied to the back of the slide similar to a hammer on a DA/SA hammer fired pistol. ILL KEEP CHECKING. We strongly recommend that the safety and operation of your modified handgun be thoroughly checked by an accredited gunsmith prior to use. From here, shooters can slowly stop the holstering process, re-draw their firearm, clear the holster, and resume holstering the gun. No issues through thousands of rounds. Immediately, you stop the holstering process and clear the obstruction. Some manufacturers have responded by offering manual thumb safeties or grip safeties on their striker-fired pistols, but Glock is not among them. The LTT SCD is as good as my original Tau Dev SCDs. As a Glock fan boy I had no idea this item existed and it honestly sounds like a nice addition, especially for those of us that cant leave things alone haha. Battling between the trigger and SCD is a recipe for disaster. and it requires no other attention from me should it have to be come out..i have a hard enough time clearing just a tshirt. Glock Striker Control Device (SCD) $78.95 - $84.95. Keep guns locked and away from kids??? Ive been using the SCD in my G42 and G43s and have shot many thousands of rounds. I was just discussing this in a few groups. Striker Control Device for Glock? Ditto putting your thumb over the cocked hammer of a 1911 or Hi Power, for that matter (although, technically, thats to stop the hammer from falling). Come join the discussion about optics, gunsmithing, styles, reviews, troubleshooting, accessories, classifieds, and more! However, proper technique can mitigate nearly all risk. Langdon Tactical Technology Striker Control Device / SCD, for full-size Gen 5 GLOCK pistols. As it stands, my usage of these pistols is limited by the lack. It works exactly as designed without any interference with the guns normal operation or firing mechanism at all. Some may find this shocking, but Glocks completely lack a manual safety lever. The SCD provides a mechanical means of detecting when the striker is in motion. Free shipping . For LTT Add this to your Customized Glock from LTT purchase for a laser stipple on your frame. The TAU gadget and new sights are the only mods on my carry glocks. Custom Gun Work from LTT for Glock Pistols (DEPOSIT) Probably not any more distracting than The Punisher or Molon Labe backplate Im sure you already added to your Glock. Cable management, safety selector and slings are just some of the new offerings for 2023. There are other manufacturers of Striker Control Devices for most Glock models (see ebay), but Ive had no luck finding one for my Glock 42. Shooters who run DA/SA autos or revolvers will immediately see the utility in the SCD. The Slim Frame & Full Size SCD DO NOT fit or function with the Glock 42 or Glock 44. Ive shot thousands of rounds through these pistols with no issues. Upon inspection of a Gadget installed Glock, the observer must carefully examine the pistol to ascertain what aftermarket part has been installed. The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks the rearward motion of the striker when thumb pressure is applied to the back of the slide - similar to a hammer on a DA/SA hammer fired pistol. The cycle of the gun is the same as a standard Glock. The Striker Control Device (SCD) replaces the slide cover plate on your Glock pistol. Your recently viewed items and featured recommendations. Thats pretty ridiculous. Works great. its not impossible but i practice.i rely more on staying aware at all times of what and who is going on around me. Anybody know where I can buy one of these now? The Striker Control Device is a great way to make your Glock safer to run. No failures, no faults no problems. Learn how to holster your gun properly and your probably won't have an issue. Glock Gen5 Factory Extended Slide Stop Lever installation, Savage Arms New American Made Semi-Auto 12-Gauge Shotgun. In the Fall of 2022, a friend of mine notified me about Holistic Solutions Group, Last week we covered our most popular articles of 2022, based upon viewership. They went through countless evolutions on Simunition guns in Shivworks ECQC classes. While maintaining good finger discipline, youre putting the gun away, but its dark so you cant clearly see into the holster. Personally, I've fired roughly 4,000 rounds across three different Glocks equipped with Striker Control Devices. Why do this? once in no problem..its that transition into the waste band . We do not have any ETA on availability. 1 Treat every gun as if its loaded 2 Never point a gun at anything you dont want to shoot 3 Dont put your finger on the trigger until youre ready to shoot 4 ??? Glock 48 Gen 5 with LTT Trigger Job & Apex Tactical Trigger, Trigger Guard Undercut, and of course, a laser stipple job! It was originally developed by Tom Jones and Todd Louis Green from the inspiration of double action hammer fired . Despite lacking any manual safeties or disconnects, Glock pistols are perhaps the world's most popular duty and defensive pistols. Why is this important? Then I saw Ernest on YouTube. The Striker Control Device is an aftermarket product that allows users to add an additional fail-safe to their Glock that is especially useful when reholstering the gun. I'm about 200 rounds in to a test of one on a Gen3,G19. You can still see all customer reviews for the product. Tau Development Group has a solution for you with the Striker Control Device (SCD). For most shooters, myself included, pinning the hammer with the firing hand thumb was, and remains, a common practice. Ran it on my G19 for a two-day concealed carry class. I trust my life to them daily. It's passive until holstering, when your thumb is placed on the back of the SCD. The SCD blocks movement of the trigger bar and prevents the trigger from moving. All while not interfering with the normal operation of the weapon. All of the safeties are passive, internal, safeties designed to prevent firing when the gun is dropped. The LTT SCD works with all of the Gen 5 Glock pistols. They retail for $89.99 and are frequently on sale. if its printing or visible it attracts attention..attracting attention to yourself in any iffy situation is a bad thing. On December 20, 2018, I bought Striker Control Devices from Tau Development Group for my two Glock 43s and my two Glock 19 Gen5s. When thumb pressure is applied to the SCD it blocks the rearward motion of the striker, which blocks movement of the trigger bar and prevents the trigger from moving. very nice product but does it work on all Glock generations? Glock striker control Device. I think its BRILLIANT. With the SCD, you holster with your strong-hand thumb on the back of the slide, over the SCD. The Smith and Wesson m and p series is a great pistol, and can be had with a safety, right from the factory, just sayin. Just an awesome add-on! Posted by Michael DelCampo on Mar 28th 2022. (Photo credit: Langdon Tactical) Originally marketed by the Tau Development Group as The Gadget, the Glock Striker Control Device (SCD) is now being manufactured by Langdon Tactical (Tau is no longer in business). FREE SHIPPING on all firearms and NFA ITEMS. West Lake Tactical SCD Striker Control Device for Glock Gen 1-4 Models 17-41 Aluminum Alloy SKU SCD-GLCK-1-4-12E23 $25.99 Clik Here Josey Wales: When I get to likin' someone, they ain't around long. I wouldn't trust that source. I like it. John in AR. Gravity should be bringing it back flush against the cover plate (see photo). Click here Looking for the Gen5 version? I may get one anyway just to try it out. We have a great online selection at the lowest prices with Fast & Free shipping on many items! I decided I did not want to pay that much for the device. The real SCD is expensive but made from stainless steel and works well exactly as designed. Daniel has also written and edited for The Kommando Blog. We strongly recommend that the safety and operation of your modified handgun be thoroughly checked by an accredited gunsmith prior to use. Langdon Tactical Introduces New Pistol Skills Video Series. Eh if ur IWB carrying just take the holster out first then put them both back. My preference for hammer fired guns goes well beyond the lack of any safety margin inherent in a double action first pull of the trigger, but it is an important one. The Striker Control Device (SCD) is a cover plate for your Glock pistol that blocks the rearward motion of the striker when thumb pressure is applied to the back of the slide - similar to a hammer on a DA/SA hammer fired pistol.