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If you're building a pistol-caliber AR-15 in 9mm, you'll need a 9mm bolt carrier group and Spike's Tactical delivers. . Remember, this BCG is going to stick with you for the long term. Samurai Firearms Carrier Group Machined in-house! Out of stock. But there are lots of others, most of them proprietary. This might be the biggest thing to look for first so pay attention! KVP 9MM Blow Back Bolt Carrier Group. The 7.62 NATO AR-10 bolt carrier groups are compatible with DPMS-spec large frame receiver sets and associated . Plus, they are easily transported, and unfortunately, can be used to commit other crimes. There are nearly a dozen components that comprise a bolt carrier group. Last but not least, its finished in black nitride finish and is heat treated too. Some quick stuff about the standard features: In theory, this bolt carrier group is well-matched with standard AR-15 upper receivers. It also features the traditional style AR extractor that . This way, it saves them money rather than have to go out and buy a brand new BCG in a few years time. This may be modified a bit to ensure that it will work with all kinds of upper receivers. But folding Americas favorite rifle the AR-15 can be a little tricky. Between the price and the magazine compatibility, you can easily create your 9mm pistol caliber carbine for the lowest possible price. In Stock. Saturday: 10am 5pm This one, in particular, might be one of them. $249.00 On sale: $217.95 In Stock. It may not be much of an issue, but it will make the BCG a little more reliable than most. That way you can use whatever mag that fits your budget or existing magazine stockpile. 8. This BCG has the ability to work with all kinds of charging handles. However, not this one. Out of Stock. And there is no moving bolt since nothing locks into the barrel extension. Can endure a huge amount of heat, 1. So we do our best to find some of the best BCGs that are easy to install and wont need the services of a gunsmith for a suitable install. Aero Precision EPC 9mm Bolt Carrier Group, Direct Blowback - Nitride DESCRIPTION. This may be altered a bit to make sure that it will work with all kinds of upper receivers. Think of it similar to an engine for your car. SALE PRICE: $156.75. FFL is not required Ask Seller a Question Immediate Checkout - Credit Card. So it can take multiple hammer hits on a great day. Doesnt Add Any Additional Weight to the Rifle, Super Durable, Especially With the Addition of the Nitride Finish, Some Might Have a Challenge With the Installation, Easy to Install, Takes a Matter of Minutes, Super Durable and Resistant to Almost Any Kind of Damage, Lightweight and Doesnt Add On Any Additional Weight to the AR-15 9mm Itself, Little to no Failures Through 1000 Rounds, Might Be a Little Pricey For Most Budgets, Installation Might Be Challenging For Some Users, Some Modifications Might Be Required For Some Pistols, Easy to Install Without Any Modifications, Reliable to Operate Even After 200+ Rounds, May Not Be Compatible With Some Mag Blocks, Installation Might Be a Challenge For Some Users, May Slightly Interfere With Some Lower Receivers, Super Durable, Can Withstand All Kinds of Impact, Light in Weight, Doesnt Add Any Additional Weight to the Pistol, Compatible With Most Colt-Brand AR-15 Pistols and Magazines, Brownells - AR-15 Brownells 9mm Bolt Carrier Group, Faxon Firearms - AR-15 9mm Bolt Carrier Group, J P Enterprises - AR-15/M16 9mm Bolt Carrier Group, Best .458 SOCOM Barrels of 2022: Reviewed In-Depth, Best Double Barrel Shotguns of 2022 Ultimate Review. Our 9mm BCG is compatible with either Glock or Colt style magazines. Especially when they are looking for something that is high in quality. In Stock. 9mm Caliber for AR Rifle Platform. Don't settle for average, stand above the rest with the ODIN Works Enhanced Series Bolt Carrier. So find one that is compacted in construction and reliable in use so it can last you long term rather than not at all. That said for some reason, many BCGs dont actually tell you that they are MPI tested and if they are if it is individual testing or batch testing. Its my go-to pick for a simple plinker and mine has been working great for years. But since many components are used interchangeably for quick swapping of calibers. Description. Both enjoyed the overall functionality and ability of this BCG and considered it a much better upgrade compared to their previous one. However, some charging handles may not be compatible with this BCG in particular. Of course, we cannot forget some of the key components as well. However, theres nothing special about it. AR 15 Bolt Carrier Group Parts. At only 7.9 ounces, it's fairly light and easy to tune your AR gas system around. But doing it once in a controlled setting proves that the parts involved are strong enough to handle even the worst-case scenarios. Shop . Compatible with most competition components, 1. NEW Aero Precision EPC-9 Bolt Carrier Group 9mm EPC9 NO CC FEES. . Folding rifles are all the rage right now and for good reason, theyre handy and easy to travel with! Bolt carrier groups, as weve discussed, are literally the beating heart of your 9mm AR carbine. So find one that is solid in construction and reliable in use so it can last you a long time rather than not at all. Includes Firing Pin. This 9mm bolt carrier group BCG is one that may have been created for the competitive shooter in mind. ), AR-9 9mm BCG + 1/2x36 Barrel - Choose Size, AR-9 9mm BCG + 1/2x28 Barrel - Choose Size, AR-9 9mm BCG + 1/2x36 Barrel + Magwell Adapter - Choose Size, AR-9 9mm BCG + 1/2x28 Barrel + Magwell Adapter - Choose Size, 9MM AR-15 Bolt Carrier Group BCG - Colt / Glock, Complete 9MM AR Bolt Carrier Group - Phosphate, CMMG MKGs GUARD Radial Delayed Blowback 9MM Complete BCG Repair Kit, Wilson Combat 9mm Stripped Bolt Carrier - Black Nitride (Carrier Only), Kaw Valley 9MM Blow Back AR-15 Bolt Carrier Group - Glock & Colt, FAXON 9mm PCC Blowback Full Mass Bolt Carrier Group - Gen 2 - 9mm, CMMG MKG GUARD Radial Delayed Blowback 9MM BCG and 16" Barrel Combo, CMMG MKG GUARD Radial Delayed Blowback 9MM BCG and 8" Barrel Combo, CMMG MKG GUARD Radial Delayed Blowback 9MM BCG and 5" Barrel Combo, CMMG MKGs GUARD Radial Delayed Blowback 9MM Bolt Maintenance Kit, CMMG Action Tuning Kit - MKG / MKGS Delayed Blowback GUARD. Until you abide by a few considerations in your mind. Add in some fancy cameras and the cracks and fissures located on or beneath the surface are quickly shown. So it sticks out for its potential to be a long-lasting BCG, especially for the avid target shooter. Out of Stock. Most of these are your pins and springs that will hold it all together. NiB-X bolt carrier groups and parts are made with top materials and proprietary coatings for optimal lubricity and reliability. Properly heat treated. It doesnt have to be a perfect match, but close enough is better than nothing in 9mm bolt carrier groups. He is a veteran, gun enthusiast, 3 gun competitor, and 2a advocate. This way, it saves them some money rather than have to go out and buy a brand new BCG in a few years time. Beau has collected guns since he was 21. It machines its 15-oz. Be sure to double check which one stands out as your ideal BCG so you can make a choice without thinking twice. 9mm Nitride Hybrid Bolt Carrier Group for Glock & Colt . A lot of recent buyers were quite happy with the BCGs overall function and durability. Heat-treated and battle-tested to handle the heavy-duty applications of an AR-15 9mm. $269.99. Only 7 left in stock. Be sure to double check which one stands out as your perfect BCG so you can make a choice without thinking too much. This BCG has one distict difference from the others: "This Includes excess pressure release holes in the carrier that relieve pressure in case of ammunition failure. 40 S Main St, Tooele, UT 84074, United States, Faxon Firearms AR-15 9mm Bolt Carrier Group, J P Enterprises AR-15/M16 9mm Bolt Carrier Group, Stern Defense, LLC. As if that werent enough, this R&D Precision bolt carrier group is also super affordable. M16 / AR15 Bolt Carrier Group - 6.8 SPC .224 Valkyrie Nitride. Not rated yet. The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Visit our 22/rimfire category today and take advantage of our lightning fast shipping! Lightweight and doesnt add on any additional weight to the AR-15 9mm itself 2. Both enjoyed the overall functionality and ability of this BCG and see it as a much better upgrade compared to their previous one. Once installed, they tested it at the range with their AR-15 pistols. There is no right or wrong answer here, just pick the system you like best and run with it. Delta Deals BCG & Charging Handle Combos 9mm Nitride Bolt Carrier Group - Accepts Glock and Colt Mags (External Extractor) + AR-15 Ambi Charging Handle - Gold/Bronze. LANTAC E-BCG Nickel Boron Enhanced Bolt Carrier . Its made from some high-quality steel that will definitely work to your advantage if youre looking for something that is guaranteed to last you years or even decades. So why not make a BCG that brings a very powerful semi-automatic together with one of the most venerable brands of pistols? 9mm.300 Blackout.308; ASSEMBLED UPPER.223 Wylde /5.56 Nato; 7.62x39mm; 9mm.300 Blackout . They want something that can last them pretty much close to a lifetime. This will be used mostly for target practice applications. This was made to handle pretty much all kinds of multiple firing episodes. It may not be much of a problem, but it will make the BCG a little more reliable than other options. This is as close as youre going to get to a universal BCG. Aero Precision Direct Blowback 9mm Bolt Carrier Group MSRP: $169.99 $144.49. There are very few 9mm bolt carrier groups with that sort of magazine compatibility. RedMohawk 3.0 9mm/PCC BCG BlackNitride ELITE $ 199.99. No spam. Of course, factors like weight and cost will also come into play here. PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt - 516446915 . After all, the vast majority of AR rifles and carbines are chambered for rifle rounds such as the 5.56x45mm NATO, which offer much greater range and superior ballistics than pistol rounds such as the 9mm. The results are pretty great, slick, smooth, very resistant to corrosion and can even be run with less lube. **NOTE: This BCG will not work if used in a standard 5.56 upper receiver . 9MM Bolt Carrier Group Assembly. WMD Guns Nickel Boron X Bolt Carrier Group. When hes not writing, hes either learning a new skill, trekking or enjoying a long drive. The firing ability was smooth and had no other issues of concern. Nothing to worry about, but the heat dissipation may be quite slow. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Salt Bath Nitride Finish inside and out. . M16 5.56 BOLT CARRIER GROUP NITRIDE MP . TSG Dark Gray Bolt Carrier Group (0) A long-lasting BCG in our opinion is more than good enough for us to choose this for our list. The 5.56 NATO M16/M4 bolt carrier groups are compatible with MIL-SPEC receivers and associated components. The JP Enterprises AR-15/M-16 BCG may just be your best BCG that you can own if youre planning on firing off a number of rounds with your AR-15 pistol calibers. A few BCGs have the potential to take on the multiple amounts of firing power. And it has a few extra touches that make it an excellent option for both competition and tactical shooting. Plus, shooting a PCC in 9mm would be a breeze for my wife to handle. Get gun deals, hand's on reviews, educational content and updates on law changes, daily! Coatings are the biggest area where one BCG can outshine the others. On the home defense side, AR-9s can have much shorter barrels without losing much of their ballistic performance and are easier to suppress. AR-15 9mm Bolt Nitride . Lastly theyre just really fun. Little to no failures through 1000 Rounds2. SKU: 7217 Categories: AR-15 BCGs, Bolts, Carriers & BCGs (Bolt Carrier Groups)

We carry a variety of 9mm BCG's for your AR9 build! Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to meet the . Strictly speaking, the bolt carrier group is considered the heart of your 9mm. A lot of recent buyers are quite happy with the BCGs overall function and durability. But for 9mm BCGs, most of them simply arent MPI or HPT tested because the pressures involved are so much lower than a rifle cartridge. If youre doing something like PCC competitions, this might be very appealing to you. This is designed to handle all kinds of constant gunfire. Complete, .223/5.56mm AR-15 bolt and carrier assembly comes with all the parts, fully assembled, and ready to go. Of course, we cannot forget some of the major components as well. You should have all the parts you need to ensure that the BCG 9mm bolt carrier group works properly and is ready to be installed. Radial Delayed Blowback Bolt (Patent Pending) Requires enlarged ejection port for reliable operation. The revered AR-15 rifle can be easily converted into a 9mm caliber rifle with minimal component changes. Why spend more money all the time on unproductive BCGs when you can buy 1 and stick with it for many years? Product Code: ACC-9MM-BCG. Aero Precision 5.56 Bolt Carrier Group, Complete - Black Nitride $ 149.99 $ 112.49 Select options. The Glock 36 is an interesting piece to own. So it has the capability to work with a good amount of upper and lower receivers. Complete 9mm bolt carrier group assembly Phosphate finish Superior to chrome lined and parkerized bolt carrier groups Can use Glock or colt magazine with this BCG Ramped to use standard hammer MADE IN USA. Installation was easy and free of any frustrations. WMD Guns Nickel Boron X Bolt Carrier Group. The following is a list of some of the best 9mm bolt carrier group BCGs that are currently on the market as of this writing. FFL orders are delayed 7-8 business days from receipt of FFL license. SKU: APRH100070C. 9MM Black Nitride Bolt Carrier Group : Price: $ 159.00. We are AR Bolt Carrier Group (BCG) experts who bring you the highest quality components at the lowest prices for your AR15, AR10, and other AR Platforms. In its place should be an integral key. We recommend using only MILSPEC hammers with any 9mm, .40, or .45 blowback bolt carrier groups. Free Shipping Option* Remove from Compare Add to Compare. This BCG was made for the Colt fanatic and thats why we like it. AR 9mm. The Gas Key on a 9mm BCG is there to give the charging handle something to hold onto, it doesnt actually handle any gas. Aside from the easy installation process and quality construction, most users are able to fire off hundreds of rounds without a single reliability issue. Rating: 87%. Either of these carrier groups for a 9mm AR that we have covered here today will be a solid option, and furthermore, you can also choose any other bolt carrier groups floating around on the market that follow the buyers guide section we listed out above as well. So always ensure that you get a trigger that has been specified to be used with 9mm AR rifles when using aftermarket triggers. Trending: Best Ammo In Stock, Best AR-15, & Best 9mm Pistols. Nickel Boron Bolt Carrier Group - AR15 M16 .223 - 5.56 . This is where the Aero Precision EPC-9 comes in. Plus, the installation was easy and required no modification. So it has the ability to work with a good amount of upper and lower receivers. The Brownell's Titanium BCG pairs best with an adjustable gas block. J P ENTERPRISES. Especially some 9mm bolt carrier group that will last them for a very long time. Foxtrot Mike FM9 9mm AR Universal Bolt Carrier Group (0) $129.95 On sale: $115.99 Sale. I'm Mike, one of the oldest writer of Sniper Country! For example, most AR-9 pistols will accept Glock 19 length or longer 9mm magazines. Aside from that, the construction is solid and everything is assembled in place. That means youre locked into a CMMG barrel and BCG and this isnt cheap. Palmetto State Armory has a large selection of bolt carrier groups for your AR-15 rifle or pistol. Introducing the Dirty Bird Industries 9mm Bolt Carrier. In fact, feeding your BCG a steady diet of these proofing cartridges would be very bad. Thats pretty amazing, right? Nickel Boron consists of 95% Nickel and 5% Boron. Beretta 3032 Tomcat [Review]: A Worthy Self-Defense Pistol? Some modifications might Be required For some pistols. Alternatively, it could be the pistol design itself. Most of these are your pins and springs that will grip it all together. Item: 973589892 . Price is perchance one of the most important aspects of a budget shopper to consider for the best 9mm bolt carrier group. DT17-011. If the answer is yes, then thats your green light to go ahead in purchasing it. How the bolt carrier group works In a normal AR-15 (note, not an AR-9) is when you fire a round, the gas will be redirected from the spent cartridge from the barrel and into a gas tube to travel back into the bolt carriers gas key. We then had these coated in a smooth black nitride coating to reduce the . Toolcraft 9mm Bolt Carrier Group Gen 2 - Black Nitride. You shouldnt need to pay anymore beyond this general price range. 1:10 Twist. Get some 147gr 9mm and a suppressor and youll have a near-silent home defense weapon. All Right to Bear rimfire products are compatible with CMMG 22 conversion kits and other rimfire components. That way, it wont cause any issues with any AR-15 pistol lower receivers. Granted, thats tens of thousands of rounds so rarely is it a problem for people but it will happen. When taking a look at coatings for anAR-15 Bolt Carrier Group, you are most likely to see examples of: Phosphate, Black Nitride,NickelBoron, Ion Bond DLC (Diamond-Like Coating), Titanium Nitride, among others. To make sure that you find the best one, weve put together a list of some of the best 9mm BCGs that are currently on the market (as of this writing). Nitride, NiB, phosphate, or TiN. Done right, hard chrome is easy to clean, smooth, super corrosion-proof, and just wonderful to use. Add to cart Quick View. At risk of being monotonous, this is a target shooters 9mm bolt carrier group BCG. Our return policy is simple, if youre not 100% satisfied with your purchase send it back within 30 days for a no-questions-asked refund. FAXON 9mm PCC Blowback Full Mass Bolt Carrier Group - Gen 2 - 9mm. However, if you can get your hands on hard chrome coating then youd sure to enjoy it as it is easy to clean and has resistance against corrosion. Your AR15 build is important to you, so it is important to us. Pink AR Parts Flat Dark Earth AR Parts OD Green AR Parts Gray AR Parts Red AR Parts Blue AR Parts Burnt Bronze Cerakote AR Parts Titanium Cerakote AR Parts Tungsten Cerakote AR Parts. A normal AR-15 BCG is made from several different parts, but 9mm BCGs are normally made from basically one piece of steel. 19 Reviews. This bolt carrier group is also companionable with the Law Tactical folding stock adapter, which is suitable for storage and staging. This is as close as youre going to get when it comes to the best in dependability for a Colt-style pistol. Because of that there isnt much to do to make them better than the others. Typically, coatings such as,Black Nitride and Titanium Nitride will help your BCG withstand corrosion and general heavy usage of the rifle. We only email about once per week and we do our best to make sure they're worth your while. If youre looking for a BCG that is dependable, tough all over and is affordable for most budgets then this Foxtrot Mike may be exactly what youre looking for. This BCG has that potential. It also wears out like Nickel Boron does, because it basically is Nickel Boron just more slippy. On the bright side, it comes with an ejection port cover notch. I started the blog to share my experience and gun-related knowledge accumulated throughout the years. Remember, this BCG is going to be with you for the long term. Heres the real deal though: this bolt carrier group is well-matched with Glock, Colt SMG, nitride finish, and MP5 magazines. Most of the users will be shooters who will look for something that will give them the same reliability after 100+ rounds fired. As a matter of fact, its the heart of any firearm. Its a drop-in BCG thats ready to go when you are. That way, it wont cause any problems with any AR-15 pistol lower receivers. These may end up matching your list of what to look for in a9mm bolt carrier groups BCG. M16 9MM Bolt is pretty much the most affordable 9mm bolt carrier group that you can lay your hands on for home defense purposes without any nonsense. G19; 1911 This titanium BCG allows you to use multiple calibers, including 5.56, .300 Blackout, and .204 Ruger, without any issues. It appears golden and offers easy cleaning benefits along with a very tough and lasting coating. The gas pressure of the chamber itself is what forces the bolt backward to cycle. Preision 9mm Complete BCG 9mm bolt carrier groups is an outstanding bolt carrier group that you can use with just about any lower receivers out there. Where phosphate is the mil-spec. His other areas of expertise include survival, prepping and firearms/ammo storage. This BCG is probably considered one of the best because it is simple to install and it will get your gun to work in the speediest time possible. If youre simply looking for the best of the best when it comes to BCGs, then this Brownell Brand AR-15 9mm bolt carrier groups BCG can be something that youre looking for. This is why AR-15 Discounts is proud to offer a constantly growing selection of AR-15 Bolt Carrier Groups from the best BCG manufacturers in the world. Stock Status:In Stock. . Small, light, compact, easy to blast with, and using ammo that wont break the bank. TPWSOT A+(729) Seller's Other Items. 919 NATO Chamber. We always see ourselves as fans of something that wont hit the shelves unless it passes all kinds of tests with flying colours in this Faxon Firearms 9mm. Whether youre building it from the ground up or simply progressing it from something else, you want a BCG that is fully practical, smooth, and dependable each time you use your pistol. It features the SLIMLINE design, trademarked by Glock, so not only is it comfortable to hold, but even easier to conceal. Toolcraft 9mm Bolt Carrier Group $ 149.99 $ 88.00 Add to cart. We know that a BCG like Foxtrot Mikes wont steer you wrong. Definitely worth looking into if thats an option for you. These are the most common coatings available for BCGs. Most recent buyers are happy with it overall. But make sure your BCG works with your platform! And if you want to leave your options open and start collecting parts now, you can grab one of our modular 9mm bolt carrier groups and decide later on which type of magazine is best for you. On a full-auto AR-15 or M16, this rear lug pushes the . Designing something they call radial blowback is basically a turning bolt that very closely mimics the action of a normal AR-15 BCG in that it turns and locks into the barrel. Because without it, you will not be able to use it at all. One even went so far as to say that he got a lot more than what he paid for. Before we start on the list itself, lets talk about what a bolt carrier group is and what it do. TR AR-10/LR-308 Black Nitride Bolt Carrier Group. The Bolt Carrier Groupaka BCG is often called the heart of the rifle, and the best Bolt Carrier Group for your AR-15 is the one that meets your needs perfectly. You can learn more about me here. Firing Pin Retaining Pin for AR-15. This is the mil-spec coating (for M4s) which is durable, cheap and good. So it can take multiple hammer hits on a good day. OverallOverall, if you want a 9mm bolt carrier group of the utmost durability and reliability and are willing to pay a premium price for it, then the JP Enterprises bolt carrier group deserves your close attention. For example, nickel boron (NiB) coated BCG is super smooth and very easy to clean. $88.47. As one of the most vital pieces of your firearm, your AR-15 bolt carrier group (BCG) needs to be 100% reliable. Weight: 1.4lbs (5") and 1.7lbs (8") Such as: the carrier, bolt, extractor, gas key, cam pin, retainer clip, and firing pin. NBS 9mm Bolt Carrier Group - Blue PVD. Product is out of stock. Save 6 %. By having one round for both your carbine and your pistol you can interchange the ammunition between both weapons. For 9mm bolt carriers, the bolt head is flat and is critical in creating a seal on the blow-back design of AR-15 9mm Pistol Caliber Carbines. This isnt a bad thing, just something to know. RedMohawk 3.0 BlackDiamond 9mm/PCC BCG $ 279.99. Toolcraft. Therefore, you know whether or not it requires any additional parts or if its simply ready to drop in and be installed. Glock & Colt Mag 9MM BCG (GEN 3) GLOCK & COLT MAG 9MM BCG (GEN 3) . Lantac USA M-SPEC 5.56 Bolt Carrier Group Titanium Nitride 6.8 Bolt Assembly (0) $53.39 On sale: $46.95 Sale. Any complete AR-9 upper will come with a BCG. High-Pressure Testing is basically what it sounds like. And its also made its way into the hearts and minds of many AR-15 enthusiasts everywhere. So they want a BCG that is built to last them years. This will be used by budget AR-15 9mm bolt carrier group owners who want to get their hands on the best out of their guns. Stern Defense M16 9mm Bolt Budget 9mm Bolt Carrier Assembly, 1. A BCG is the most important component inside your AR rifle. To prevent this, many BCGs are tested via magnetic particle inspection. New Releases. They want something that can last them pretty much close to an entire lifetime. Quantity Purchased. While it is true that the 9mm rounds lacks a lot of the power, range, and energy of a rifle round such as the 5.56, there are still a handful of reasons to consider getting a 9mm AR. If you have a Glock 34, Glock 17, or a Glock 19 for your handgun, you can use the same magazines for both weapons. Your email address will not be published. M16 9MM Bolt is pretty much the most affordable 9mm bolt carrier group that you can lay your hands on for home defense purposes without any nonsense. Very few 9mm BCG makers use HPT testing though. Regular Price: $184.99. Once installed, they tested it at the shooting range with their AR-15 pistols. Well, yes but also no. A BCG will house some of the following key components: the bolt itself, ejector, bolt carrier, extractor, and the firing pin. Showing all 17 results . BLUE Parts. Toolcraft Inc. of Marion North Carolina manufacturers bolt carrier groups in a large variety of calibers and finishes. To avoid confusion, theyre each an individual coating and arent the same. The first reason to get an AR9 is for ammo commonality. For something that wont jam even after 1000 shots, thats quite a good sign. Another thing they noticed was that the overall reliability is top notch. This is the part that works the most and is responsible for the proper operation of your rifle. Heres what you need to look for: Not every AR-15 9mm owner will have skilled gunsmith skills, and we can understand. At this point, its compatible with most of them but not all of them. But as far as Ive seen, almost no one HPT their 9mm BCGs. NO Credit Card Fee! Super durable and resistant to almost any kind of damage 3. sale price: $189.99