November 14, 2010 in The Beginners AR15 Armory. The longer buffers reduce the amount of travel available to the bolt. i have a few thousand rounds on mine and no issues or deformation. Free Account glitch cars Please share with your friends . (never heard this term before today), but slamming the butt into the ground to get the bolt carrier unstuck seems like something to be done only when other people are shooting at you! It sort of worked. I like to see the BCG slide into battery and lock by it's own weight when released into the unistalled upper from anything more than a 45* muzzledown angle. If the bolt carrier from the problem rifle binds in the non-problem rifle, the bolt carrier from the problem rifle might actually be the problem. This was the fix, thanks! Try this-put it back together. On select areas, especially during warm weather, I prefer grease though if in a sandy environment I'd stick with oil. . /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. How did you install the barrel? Recently bought a house and it had a bomb shelter in it. Was in a hurry putting my MPX back together after cleaning and put the bolt carrier group into the upper receiver backwards. It can then pop up and wedge, typically in the buffer tube but sometimes in the receiver. Add to Wish List Add to Compare. Answer (1 of 8): Is an AR-15 .300 AAC Blackout bolt carrier group the same as a .223/5.56 BCG? May 7, 2017. 2. The purpose of this page is to aid you with 9MM AR troubleshooting. Don't know if that's what was needed or not, but as I said, it worked fine yesterday. Yes, maybe not the best way to treat your rifle during peace time, but still a handy method to practice and know in a pinch. Bet-your-life dependability is a non-negotiable prerequisite. Or you can try to force it forward from underneath the magwell. Let me ask you a question. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Look for the shiny spots in the upper caused by the bolt carrier. Here is a video on how to do it. See if there's any damage to the 45 degree relief cuts. Packaged Bolt Carrier Group Assembly w/ Logo . Usually they are older rifles and have probably seen more abuse than yours. edit: I also tried bashing on a cleaning rod, but because it can push back into the buffer tube, it's hard to get a good bash. $249.00 On sale: $217.95 In Stock. Does the round at all look deformed? Toggle menu. The Whisper was first based on the little .221 Fireball cartridge cas. Is it ok to tap on the charging handle with a rubber mallet? Charging Handles Combos. The mass & inertia of the bolt carrier group will pop the stuck round out of the chamber. Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi. $154.99 On sale: $144.14 In Stock. don't worry, you can't break it. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Do this a couple times and it should free your BCG up. The cause could be the result of one or more of the following: Excess accumulation of dirt or fouling in and around the bolt and . Here I will give a brief breakdown of the BCG's components, how it works, problems to look for and what to consider when buying. I have yet to introduce this rifle to more rapid sequences of fire. Did I totally screw it up? The issue is the bolt won't move inside the BCG, and therefore won't go into battery enough for the BCG to clear the buffer tube enough to separate the upper and lower. Choose wisely with AT3 Tactical. stock trigger has a heavy pull and even heavier . Unity Tactical Modlite ModButton Lite - Surefire/Modlite . This is odd. Clean the friggin' thing and lube it. This slightly wears in the parts and gas rings and makes the initial rounds chamber and eject easier. When the bullet passes by the gas port , the bur shaves a little off the bullet and the gasses send it down the gas tube back into the BCG . I believe my recoil spring is binding inside the bold carrier when I pull the charging handle all the way to the rear. PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group . You can also check: Best Budget AR 10 Barrels. I have had military rifles where the part of the forward assist that actually contacts the bolt breaks and locks the bolt forward. ATTN: Here is the link to a new higher quality and more informative video I made showing this technique and explaining what I think causes it, and how to kee. , the company's American branch. Absolutely. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Caliber / Gauge: .308 / 6.5 Creedmoor / .243 Winchester / .22-250. Press J to jump to the feed. The bolt carrier and Bolt would not fully seat. Or did you ever take the BCG apart? Or stuck on an empty chamber? I had a loose primer get into the cam slot once. Search. The BCG of this rifle is binding in the buffer tube every time I cock it (starts getting stuck around 1/2 - 2/3 of the way back) but when I put the upper from my nicer rifle on this lower, it doesn't bind so obliviously it isn't the buffer tube. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. IMHO simplest answer is your BCG is that nickel boron type and could possible be on the thick/over finished side and if that's coupled with a bolt that's a hair on the overcut sized=lock up in my opinion. Re: help!!!! I have a BCM carrier with old FN bolt that I treat about the same and it runs well without much lube. Perhaps at least a little between the carrier and bolt, as well as a tiny bit in the star chamber near the lugs will help, at least until the rifle settles in a bit. You can leave almost the entire thing dry, as most of it doesn't touch anything. Get rid of fancy BCG sand use a standard one. With both pins out, I can separate the halves about half an inch, but the rear takedown lug? See post edit for details. Well, despite my shoulder, I went to the range yesterday. So I tried to lube it up but its still very rough and feels like there is a lot of friction going on. This should be enough thrust of inertia to get the bolt carrier assembly to come forward. Solution Part Three I have learned over the years that all AR-15 recoil springs are not created equal. Car parking multiplayer gearbox tips. A thorough cleaning followed by the liberal application of lube is in order. (Ok, i admit, it was a CMMG bargain bin). From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Bolt Carrier Group Assembly, 6.5 Grendel, M16 Profile, Nitride Bolt & Carrier [Retail Packaged] B2-K630-BA00-0P. $129.99. Check it out at this link:https://kydexowbholsters.com/firearms-legal-protection-costFirearms Legal Protection provides uncapped legal defense for members who use a firearm (or any legal weapon) in self-defense or the defense of others.If you found this video helpful and you would like to support the channel, please buy me a coffee! S197 Gunny Sergeant Full Member Minuteman . Laziness is not an excuse. Out of stock. This is not a break in issue. ORION TRAINING GROUP; Best AR-15 BCGs. This over-travel condition allows the 9MM AR Bolt to travel too fast in the forward direction causing premature failure of the bolt catch. JavaScript is disabled. When firing the bolt will get stuck in the chamber, in order to eject the casing I will have to grab the charging handle and bump the buttstock to dislodge it . This is often too short. 3. Courtesy Firearms History. Was able to unstick the bolt carrier and the other good news is no round in the chamber. You might want to pick up a cheap DS arms BCG just to have on hand. View Details Angstadt Arms 9mm Bolt Carrier Assembly In a quick powerful motion shove the rifle forward and hang on causing it to come to a sudden stop. Maybe try a good hard hank on the Charging handle. Any way you could get a screwdiver in there and move it forward. I always disassemble new BCG's, clean and over oil, then sit in front of the tv for an hour or so and manually rotate, push and pull on the bolt in the carrier over and over until the movement is smooth and without any rough spots. Last edited by Redbeardsong; 01-14-14 at 22:53 . PSA has some great deals on their Premium blem's all of the time and I have a lot of them and have never had any problems with any of them. Bolt Material: 9310 Steel Carrier Finish: Black Nitride Clean each well and lube well. When i work the bolt via the charging handle, the bolt will get stuck in the buffer tube. If there is no problem in the non-problem rifle and the problem rifle continues to have the binding issue, this leaves the problem rifle's upper as the problem. I never thought it was going to open! Any way you could get a screwdiver in there and move it forward. I use mostly Mobil 1 though about anything is better than nothing. "Tap" your magazine to be sure it is properly seated. Does a normal at carrier work good in it. http://www.bushmaster.com/anatomy_bushmaster.asp. Quote. Sale. You're currently reading page 1; Page 2; Page 3 . Jones. There was a live, unfired round in the chamber - scary. That would meen that chamber has never seen a steel case . aren't particularly expensive and are generally between $50 and $100 for a complete LPK inclusive of fire control . Gun looks really dirty and dry as a popcorn fart to me, clean and lube it. About Women's Health Newsletter Customer Care Advertise Media Kit Other Hearst Subscriptions Subscribe Give a Gift. Is this a complete lower (hammer, trigger installed)? I didn't have any issues with the bolt/bullet sticking and didn't have to practice my mortaring technique. EDIT: FIXED! TLDR: Your rifles are fine. Obviously, if the fit is too tight for the "problem" BCG to work in the "problem" rifle, it might get stuck in the buffer tube. The general consensus is brute force. Insert the firing retainer pin (aka cotter pin). What else could it be? Concrete and rebar 12in thick ceiling, walls and floor. October 18, 2019 1:01 pm Reply tangofoxtrot. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. Any suggestions? Blitzkrieg Components 9mm Hydraulic Buffer, Hahn Precision Pistol Cartridge Buffer 9mm Buffer, CMMG 9mm Heavy Buffer90CA9B4 - Length 0.000", Weight 5.3 Ounces, Yankee Hill Machine 9mm BufferYHM-925-A - Length 3.600", Weight 5.9 Ounces, Spikes Tactical ST-9X 9mm Buffer SLA009X - Length 3.700", Weight - 8.5 Ounces (No longer produced), Heavy Buffers 9Q Buffer - Length 0.000, Weight 8.5 Ounces (No longer published but much longer than the Colt 9mm buffer), Heavy Buffers 9QT Buffer - Length 0.000, Weight 12 Ounces (For SBR's and Full Auto) (See Above), New Frontier Armory 9mm Buffer - Length 0.000, Weight 8.0 Ounces, New Frontier Armory 9mm Buffer - Length 0.000, Weight 10.0 Ounces, VLTOR A5 H4 Heavy Buffer - Length 3.995, Weight 6.83 Ounces. 227-GTBCG | Guntec. Take it apart and clean it real good then oil it back up and cycle it several times. Issue is that bolt won't rotate/slide back inside bolt carrier. If that is indeed the case and he only fired a few rounds to test , carbon build up in the chamber was never the problem . In my opinion this is less than ideal. That's really dirty. Did you run polymer coated ammo by any chance? Ejects the spent cartridge after firing. The BCG is stuck pretty far back in the buffer tube. You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. . Do I need to remove the buttstock? If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. (another big mistake) and the bolt and carrier is now stuck in the upper receiver. Running it suppressed most of the time with minimal lube it still runs well. So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. From my own personal experience, installing a bolt 180deg opposite of where it should be in the carrier.or essentiallyejector facing inside the upper receiver. It is not stuck in battery. BCA AR-15 Bolt Carrier Group Black Nitride. Conclusion To prevent a 9MM AR Broken Bolt Catch select a 9mm AR buffer that is at least 3.600 inches long and weighs more than 5.5 ounces. Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. You could try to remove the buffer tube. A $34.95 value! I took out the XPB BCG and put my original BCG back in and it runs smooth after that. Grabbing onto a new round from the magazine and chambering it. Well I would completely take that BCG apart and wash and clean it up good, then lube real well, it looks dirty to me, I don't clean my guns every time I shoot them and none of my BCG's look that dirty, also being a Sharps BCG, I would pick up a back up BCG. I still can't get the bolt carrier and bolt out of the upper. Yes. It is not stuck in battery. If the bolt carrier from the problem rifle works fine in the non-problem rifle, but the bolt carrier from the non-problem rifle binds in the problem rifle, we've eliminated the bolt carrier as the problem. But be careful with that muzzle. The AR-15 bolt carrier group, or BCG, is a critical and often misunderstood piece of the AR-15/M16 upper receiver. Any use of this content without express written consent is prohibited. buffer tube), or threaded tail of the lower receiver where the receiver extension screws in. Lube those too. most likely the cheap amazon prime sights thats killing your gun. thanks for your reply. In your post i noticed you said you pulled the barrel and someone else pulled the charging handle. no accidental firing. Two Reasons a 9MM AR Bolt Catch Breaks. $98.99. When you put the upper from the problem upper on the non-problem lower, does the BCG from the problem rifle bind in the buffer of the non-problem rifle? Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Anyway shot it Monday ran 60 rounds through it no problem. View More. Fortunately the solution and prevention are pretty easy. Free open world with real gas stations and car services. I just bought a fully assembled upper from a guy who builds guns locally. All AR-15 platform rifles ha. All AR-15 platform rifles have a Bolt Carrier that disassembles the same way.AR-15 Tools \u0026 Cleaning kits: https://amzn.to/3rzvOQdLearn to quickly and easily break down the bolt carrier and remove the extractor for cleaning.Firearms Legal Protection available for as little as $9.95/mo! Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: on the back side of the bolt (not the bcg), on the rounded/sloped part just behind the two c-rings where there's often a good amount of caked carbon on well used bolts, there was a solid deposit of fouling and copper. BCA's Bolt carrier groups are MPI inspected. The magazine is out. It'll likely serve you well afterwards. Immediate Action: " Tap, Rack, and Reassess ". AR15 5.56 Bolt Assembly Nickel Boron $ 109.95 $ 74.95 SALE. When I let the BCG go forward, won't go into battery enough for the BCG to clear the buffer tube. Drop the firing pin in the opposite end of the bolt carrier, then press it down to ensure it seals properly. As others stated, give it a good cleaning and lube well to include lugs and barrel extension. The apparent problem is that the "problem" BCG is wider than standard and your "problem" rifle's upper (and probably lower receiver extension) is slightly smaller than average. I hadn't done much of anything since the previous day except to slide the bcg in and out of the chamber about twenty or thirty times really quickly to make sure they were moving and functioning fine. Try this: swap BCGs, not uppers. There is a couple reasons for this common issue of a broken bolt stop, broken bolt catch with the 9MM AR platform. I run 'em wet (not stupid wet) anyhow. It's a solid bolt carrier group, with a few upgrades over a true mil-spec bolt carrier group. "Rack" pull the charging handle of your AR-15 back swiftly with ample force and release it . Centurion Arms Bolt Carrier Group Centurion Arms C4 Bolt Carrier Group was created with HP/MPI tested bolts and marked to give you the ultimate confidence in your weapon system. Stuck Bolt Carrier Group. But somehow I failed to notice the buildup on the backside of the bolt. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. $162.54. See if they are willing to fix it to make it right (don't know if he guarantees his work). Get rid of them. Well, after numerous attempts with a padded dowel, vice and hammer, ive had no luck. I tried using the forward assist to seat it. https://www.facebook.com/SemperParatusArms/, http://www.semperparatusarms.com/cou-registration/, http://www.m4carbine.net/forumdisplay.php?f=141, 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 SALE PRICE: $137.75. We carry Aero Precision, Toolcraft, Fail Zero and Spike's Tactical BCGs with Nickel Boron, Black Nitride, Ionbond DLC, Chrome/Magnesium Phosphate and Titanium Nitride-Gold finishes with M16 . Insert the Cam Pin through the Bolt Carrier opening and into the Bolt so that the flat bar on top of the Cam Pin is inline with the Bolt Carrier. Do a function check. The rifle shot fine, although I'm not so sure about myself. We offer bolt carrier groups for various AR-15 builds. If it has a round chambered point the barrel in a safe direction. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. In Stock. 1,592. AR-15 Nitride Bolt Carrier Group Mil-Spec. Today, I was taking it out, and I could not for the life of me get the bolt to unlock. A similar incident happened at the range last week and the guy had some debris stuck in the locking lugs. Well, I am sitting in front of the tv anyway doing nothing. bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . Compete against real players in the multiplayer racing. When you install it, youll slide it into place through the rear of the receiver until it locks into place. View as Grid List. If done correctly it will not damage the rifle and is a much safer way to get a stubborn round out. What you are going to have to do is "mortar" it. I had a blown primer do the same thing to mine. The round (unfired) would eject but the bolt would not seat. Put a heavy lube application on the 4 rails, on the gas rings, on the cam pin, the forward and rear facing lugs of the bolt, a smidgen on the firing pin, and one drop of oil worked into the ejector. Feedback Score. Faxon 5.56/300 BLK Gunner Light Weight Bolt Carrier Group Nitride M16 Bolt Carrier Group AR15 BCG. Are you sure it's the bolt binding, and it's not bound on the gas tube? Then point the muzzle straight up and rap the butt sharply on the ground. Just bought a AR15 carbine on sunday. Put the gun back together. Those pictures don't help. Now press the forward assist to make sure the bolt is locked up. And most people don't know how to lube an AR bolt carrier group. and responded with an answer, because my bolt (well entire carrier really) did in fact get stuck in the open position due to the . You are correct sir! !2:14 My theories and speculation as to what causes this malfunction to happen2:51 Asking for viewers opinions on what causes this common malfunction3:20 IMPORTANT!! Batch MPI and HPT tested. The bolt carrier group is responsible for the following 4 critical steps. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. If it's nw some of the treatments of metal can be a bit less than desirable which is normally remedied with running a little wet (not dripping but WET) and running a few magazines through it. So there's a direct relationship between the buffer and the bolt. I currently have the lower fully assembled, upper receiver, bolt carrier group, and charging handle. One new winner* is announced every week! Use common sense. You could try to remove the buffer tube. An awesome AR-15 needs a great bolt carrier group (BCG). Press J to jump to the feed. Any ideas? The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. Without question the biggest malfunction 9MM AR shooters experience is a broken bolt stop, broken bolt catch. Your first round will go bang but on ejecting, the casing won't be able to eject. Open the actions of both rifles and show pictures of the uppers from the rear, the lowers from the top, and the bolt carrier groups, as well as the charging handles--photograph the components from the top, as well as side profiles. LANTAC E-BCG Nickel Boron Enhanced Bolt Carrier Group EBCG (2) Sale. Basically your gun stopped shooting, something doesnt fit or worst of all your gun experienced a hardware failure. I pretty much run a magazine, wet th bcg, wet, etc for a couple hundred rounds. SALE PRICE: $139.99. The quickest way to find problems with a weapon is to simply shoot it and shoot it a lot. Sale Price: $139.95 . Rating: 97% Regular Price $139.99 Special Price $99.99 $79. Can't say I'm in favor of "mortaring" the rifle. Gas tube alignment could be the culprit. Picture of chamber and bolt face would help. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. Angstadt Arms Bolt Carrier Group - 9mm. Grabbing onto and ejecting the spent casing from the fired round. When the thickness of five stacked quarters .345 is added to the length of the Colt 9mm buffer we conclude our 9mm buffer needs to be approximately 3.645 long! The BCG will also ensure proper lock up when the rifle is fully into battery so you do not want to cut corners here. "After attempting this a few times I called another guy at the range over and we pulled from two ends of the gun, me from the barrel and him from the charging handle.". You got to lube these rifles . Keeping the gun pointed in a safe direction-preferably muzzle up, hold the gun by the handguard and the charging handle. You will be able to leave a comment after signing in, AR15Armory.com Been playing this a lot with my teenage son, and having a blast. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. The BCG moves freely already. but i thought i would post this as a detailed guide. 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. . I have never seen a carrier look like yours. Disassemble and clean/lube the sharps BCG. Took a few whacks. Out of stock. I have also traded out the charging handles on both rifles and have tried all combinations of BCG's and Charging handles on both rifles with no differences made, so the charging handle seems to be alright. *Must have a registered ARFCOM account to win. Did you see the FBMG Saiga 308 threads or the AGP threads holy lord. So I was shooting my AR last week, and it was functioning fine. Create an account to follow your favorite communities and start taking part in conversations. Maybe there is/was a bur in the barrel at the gas port . LANTAC 223/5.56 E-BCG Full Auto Style Bolt Carrier Group - Nickel Boron. The bolt carrier is sticking out of the back of the upper receiver about 1/4". What BCG? The carrier then moves forward creating a double feed and jamming said casing into the outside edge of the feed ramp (I think?). LANTAC 5.56/.223 M-SPEC Bolt Carrier Group - QPQ Black Nitride. Get an AR-10 bolt carrier group and get to shooting. ? Page. I'm assuming the problem is the BCG, but I don't get why it works on my nice ar but not on the cheapo ar. 56 Bolt Carrier Group 158 Carpenter SP/HPT/MPI | Sons Of Liberty Gun Works BCG. Toughness of over 200 ft./lb. Powered by Invision Community, New Changes for The Politicial Asylum forum. If you are looking for a bolt carrier group for sale, Surplus Ammo has what you need. The case wound up being stuck in the chamber (it didn't burst or anything, but was stuck in there pretty good). Press question mark to learn the rest of the keyboard shortcuts. ARFCOM is full of answers, mine is just one consideration. Pull the bolt back and rotate the cam pin 90-degrees. Reason One A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. And when this happened to me it ruined my day of shooting and did know how to fix the issue until later when I got back from shooting and looked up solutions on the internet and it took me many searches to find this method so I figured I would pay it forward and upload a video of my own to help other ar15 owners in case they need to ever perform this technique and get their rifle back to working order. Thanks for the replies. . I have a Spike's NiB BCG that is well worn (second set of gas rings, extractor spring, o ring, and insert) and I am not meticulous when cleaning. 800-741-0015 . The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. COMPANY. Also have you tried to lightly let the charging handle go forward just to see how easy it is for a round to go into battery? (What can cause a bolt to get stuck?) Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do. Next time a cartridge gets stuck in the chamber and will not eject learn how to "mortar" the rifle rather than have someone else hold the barrel. 99 Save up to 20% when you buy more Buy It Now Top Rated Plus.