!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!! Or did you ever take the BCG apart? 1. 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. Step One: Complete AR15 Disassembly - 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 casing/ejection jam. October 18, 2019 1:01 pm Reply tangofoxtrot. I tried cycling it a few times and it never would seat. mortaring your rifle fixes this type 4 malfunction that occurs in the AR15 weapon platform. Yup, do the nosedive, either that or get a hacksaw.sounds like you might have gotten a pebble or something in there or possibly a dent in the buffer tubeor, maybe the little detent that keeps the buffer spring and buffer in the tube popped up somehow. With all this great advice, let us know how it goes. PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group . Service consists of a few blasts of Brake cleaner, a few pulls through with a boresnake, and a drop of lube everywhere the BCG gets shiny. The bolt carrier group is also a part of the upper receiver to an AR-15. 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 traded out the BCG on the problem gun with my good BCG and it works just fine. SALE PRICE: $137.75. Do this a couple times and it should free your BCG up. Then push the rear take down pin and open the action as normal. It cleared fine. S197 Gunny Sergeant Full Member Minuteman . Does a normal at carrier work good in it. "Tap" your magazine to be sure it is properly seated. High-quality AR15 Bolt Carrier Group (BCG) at Affordable Prices. Was in a hurry putting my MPX back together after cleaning and put the bolt carrier group into the upper receiver backwards. Just bought a AR15 carbine on sunday. Note: When discussing the 9MM AR the assumption is made that the shooter is utilizing a carbine length buffer system. $ 73.99 - $ 75.99. Take off the stock, loosen the castle nut, and unscrew the buffer tube. If your gonna let your gun get that dirty you must run it wet. See post edit for details. May 7, 2017. 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? Choose wisely with AT3 Tactical. If the upper had been used/fired before and they used steel cased ammo . November 14, 2010 in The Beginners AR15 Armory. Sharps Xtreme Performance Bolt Carrier Group (Successor to the Relia-bolt) stag ambi charging handle faxon 14.5 midlength pencil barrel Geissele MK8 SLR Sentry 7 Gemtech Trek . White Label Armory 5.56 Bolt Carrier Group Billet Extractor Blue PVD M16 AR15 BCG . I run 'em wet (not stupid wet) anyhow. Rating: 97% Regular Price $139.99 Special Price $99.99 $79. One new winner* is announced every week! This energy and velocity combined with the over travel condition of the bolt cause premature failure of the 9MM AR Bolt Catch. Here is a video on how to do it. Maybe try a good hard hank on the Charging handle. $162.54. It's a solid bolt carrier group, with a few upgrades over a true mil-spec bolt carrier group. 1. Press J to jump to the feed. Pull the Bolt back to extend it and turn the Cam Pin 90 degrees. Compete against real players in the multiplayer racing. TLDR: Your rifles are fine. Realized it when trying to join upper and lower receiver. Pushed on it and heard it click. 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 . It was stuck HARD. Those vids are insane. Last edited by Redbeardsong; 01-14-14 at 22:53 . The rifle shot fine, although I'm not so sure about myself. Add to Wish List Add to Compare. Do I need to remove the buttstock? You are correct sir! Suggestions? JoeBob dun saved you $10.00! On select areas, especially during warm weather, I prefer grease though if in a sandy environment I'd stick with oil. I put it in the safe. K. ken4570tc in WY Gunny Sergeant. (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! Can't say I'm in favor of "mortaring" the rifle. At this point in my life, I had thought that I had learned to always inspect new equipment before trying to use it. . Clean the barrel nut lugs. Re: Stuck bolt carrier group Post by Roadrunner Sat Feb 14, 2015 2:58 am Might be possible to take a wood dowl and drive the bolt back into battery from ejection port. Ok, I am a total noobie. . Did you see the FBMG Saiga 308 threads or the AGP threads holy lord. Bolt Carrier Group Assembly, 6.5 Grendel, M16 Profile, Nitride Bolt & Carrier [Retail Packaged] B2-K630-BA00-0P. check out the. My OCD wants to grab a complete SOLGW upper and run so it all matches but I'm also very intrigued by the non-gi continuous barrel tapers like the BA hanson or criterion core types. TFB Review: Sharps Xtreme Performance Bolt Carrier Group. View Details Angstadt Arms 9mm Bolt Carrier Assembly Lube those too. Probably 2004 or older. Hey All, New to the AK world so please excuse the lack of knowledge. "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.". I use mostly Mobil 1 though about anything is better than nothing. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. I had a loose primer get into the cam slot once. It seems there is a ridge in the inner channel and if the bolt is pushed too deep into the carrier, the gas rings stick on that channel. ARFCOM is full of answers, mine is just one consideration. Does the round at all look deformed? Does the BCG move freely into the upper without the lower? When I let the BCG go forward, won't go into battery enough for the BCG to clear the buffer tube. The BCG is all the way back. BCA M16 Cut 5. Get rid of them. AR-15 Nitride Bolt Carrier Group Mil-Spec. Return the BCGs to their original rifle and swap the charging handles. Copyright 1996-2023 AR15.COM LLC. Search. Angstadt Arms Bolt Carrier Group - 9mm. I was able to separate the upper from the lower. Bolt Material: 9310 Steel Carrier Finish: Black Nitride COMPANY. Soaking wet. The charging handle would not pull back to eject the live round in the chamber. Unfortunately it will take several weeks to have corrected. This combo is a gen 2 right side charging upper and BCG (patent pending), it includes an AR15 bolt carrier group (BCG), a right side charging bolt handle, a threaded receiver plug, and the bear creek arsenal AR 15 right side charging upper . Try the Mortar thunk first, I forgot about that. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Radian Weapons Enhanced Bolt Carrier Group (BCG) $ 210.00 Read more; Radian Weapons Takedown Pins Kit - AR15 $ 32.95 - $ 54.95 Select options; Keep In Touch. Check the charging handle / channel, bcg / chamber if anything goofy. 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. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Reactions: ken4570tc in WY. Clean each well and lube well. Otherwise it was three short groups with three to five minutes in between. $129.99. The BCG moves freely already. Well it sounds like the bolt is not wanting to rotate and unlock from the chamber. It is not stuck in battery. I have yet to introduce this rifle to more rapid sequences of fire. 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! Good luck! 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. If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. 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. 4 (100%) "Mortar" it. Had the gun been cleaned before it was put up? The round (unfired) would eject but the bolt would not seat. This was the fix, thanks! The key moves this gas into the bolt carrier group; this unlocks the BCG and pushes . 276-BCG15 | Bear Creek Arsenal. This slightly wears in the parts and gas rings and makes the initial rounds chamber and eject easier. Also the charging handle lever, rails, and CH race in the upper. 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. The case wound up being stuck in the chamber (it didn't burst or anything, but was stuck in there pretty good). Now that the kinks seem to be worked out, I'm hoping to test the reliability of this nickel boron bolt to see if it really runs dirty as all the manufacturers claim. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. What else could it be? Drop the firing pin in the opposite end of the bolt carrier, then press it down to ensure it seals properly. The Bolt Carrier Group (BCG) is an assembly made up of several individual parts that work in harmony to ensure your AR-pattern rifle functions properly. (What can cause a bolt to get stuck?) Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. CONFIRM CANCEL. If the bolt carrier gets stuck in the non-problem rifle, but the bolt carrier does not get stuck in the problem rifle, the charging handle is at least part of the problem--I would examine it and replace it. Assuming that your upper is still attached to your lower start by making sure your bolt is in battery and then push the rear pin (called the takedown pin) till it clicks and is held captive on the right side of the receiver. Specs: Mil-spec Carpenter No. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. I put another fifty rounds or so through the gun. Courtesy Firearms History. At most, I shot three three-shot groups in two minutes. Absolutely. JavaScript is disabled. A similar incident happened at the range last week and the guy had some debris stuck in the locking lugs. Back to old site If there is anything in your cart, it will not be brought over to the old site. As the BCG moves rearward with the bolt and cam pin held in place, the machined slot in the BCG that the cam pin rides,acts on the cam pin and rotates the bolt until the bolt lugs clear the extension allowing the bolt to move rearward. Expand. If you didn't spray it down with brake cleaner or something prior to snapping the photo, that thing is beyond dry looking to me. AT3 AR-15 Bolt Carrier Group - 5.56 NATO/.300 Blackout - Nickel Boron. [ARCHIVED THREAD] - Bolt carrier stuck in buffer tube. I have a BCM carrier with old FN bolt that I treat about the same and it runs well without much lube. Noteworthy AR 10 . Laziness is not an excuse. . A thorough cleaning followed by the liberal application of lube is in order. For a better experience, please enable JavaScript in your browser before proceeding. Press question mark to learn the rest of the keyboard shortcuts. The easy way to do this is to get on your knees, lay the stock flat against the floor, make sure the stock is fully retracted, grab the charging handle with one hand, and the forend with the other. what lower? Add to Cart. Took a few whacks. Immediate Action: " Tap, Rack, and Reassess ". Been playing this a lot with my teenage son, and having a blast. You could try to remove the buffer tube. Answer (1 of 8): Is an AR-15 .300 AAC Blackout bolt carrier group the same as a .223/5.56 BCG? Or stuck on an empty chamber? The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. If you are looking for a bolt carrier group for sale, Surplus Ammo has what you need. I removed the casing and re-assembled. See if there's any damage to the 45 degree relief cuts. http://www.bushmaster.com/anatomy_bushmaster.asp. 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. Add to Wish List Add to Compare. I'm not sure. 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 . SALE PRICE: $89.99. I currently have the lower fully assembled, upper receiver, bolt carrier group, and charging handle. 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. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. . Best I can figure, it found its way into a magazine, then miraculously fully fed into the firing pin channel. It might not be square. Stupid failure on my part, although I don't know that it would have changed anything. Any suggestions? So I was shooting my AR last week, and it was functioning fine. 99 Save up to 20% when you buy more Buy It Now Top Rated Plus. LANTAC 223/5.56 E-BCG Full Auto Style Bolt Carrier Group - Nickel Boron. Should I try freeing it up myself, or take it to an armorer? 26 items . Pros: Looks great; Cons: Out of tolerance/no QA; Best Used for: Door . If it has a round chambered point the barrel in a safe direction. Maybe there is/was a bur in the barrel at the gas port . So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. You could also look at the forward assist. $249.00 On sale: $217.95 In Stock. Pull the bolt back and rotate the cam pin 90-degrees. Create an account to follow your favorite communities and start taking part in conversations. 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 had a broken decapping pin from a reloading die end up in my chamber once. When i work the bolt via the charging handle, the bolt will get stuck in the buffer tube. You dont need any tools to break down the bolt carrier group for detailed cleaning.Website Article: https://kydexowbholsters.com/how-to-disassemble-clean-an-ar-15-rifleFor detailed Ejector and Extractor Disassembly, go to: https://kydexowbholsters.com/how-to-disassemble-an-ar-15-bcg-bolt-carrier-groupLinks in this description are affiliate links to help support the channel. Usually they are older rifles and have probably seen more abuse than yours. Get an AR-10 bolt carrier group and get to shooting. Yes. While pulling the charging handle, drive the buttstock into the ground being careful not to bend the charging handle. I can take out the pins and the upper an lower come apart a bit, but I can't completely remove them. How did you install the barrel? Arm or Ally AR15 / M16 5.56 NATO Bolt Carrier Group - Black Nitride. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . It is stuck! Charging Handles Combos. Prior to the introduction of the plastic-tipped buffer the carrier group would ricochet off the back of the receiver extension, which would increase residual carrier KE and make it more likely to bounce during counter-recoil. I did not see any problem with the lower. Page. The BCG will also ensure proper lock up when the rifle is fully into battery so you do not want to cut corners here. Because the BCG is half an inch or so into the buffer tube, I can't separate the two halves. 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. I was using Federal .223 FMJ rounds. About Women's Health Newsletter Customer Care Advertise Media Kit Other Hearst Subscriptions Subscribe Give a Gift. Remember ARs like it very wet to function well. What BCG? Only problem is now the bolt carrier is stuck back all the way and won't go forward. I also oil liberally for the first 500 or so rounds. As others stated, give it a good cleaning and lube well to include lugs and barrel extension. Car parking multiplayer gearbox tips. The bcg should come right back. Keeping the gun pointed in a safe direction-preferably muzzle up, hold the gun by the handguard and the charging handle. If the problem still occurs in the problem rifle, then those two components are not contributing to the problem and the issue is the alignment of the upper to the lower receiver extension. 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. 16" 5.56 / .223 1x7 GOVERNMENT 4150 CrMoV MELONITE NITRIDE BARREL - MID-LENGTH GAS. B2-K630-A001-0P. Just get one of the Brownells 308AR Bolt Carrier Groups, if you're stuck. 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. The image below gives a nice breakdown of the parts in a typical BCG. If your bolt is stuck and you've shot more than 1000 rounds, the culprit might be your buffer spring. 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 . Free open world with real gas stations and car services. I use mid range reloads so I couldn't figure why it would be jammed.. bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . Could be a combination of tight tolerances and baked on carbon. B2-K630-BA00. !echo: don't have to mess around with buffer springs and trigger springs, a drop in unit, has a trigger lock where you can't out run the bolt. Was the bolt stuck with a round in the chamber? Jones. The bolt carrier is sticking out of the back of the upper receiver about 1/4". Its an Anderson Lower, Pre-assembled anderson upper, rear take down goes in like normal, and the BCG does go freely into the upper. Sale. Take off the stock, loosen the castle nut, and unscrew the buffer tube. $154.99 On sale: $144.14 In Stock. Take the gun back to the builder and see what he/she says about the problem. If all is well, I'd remove bcg 3-4 times, reinsert, etc. Up to this point in time, I've not had any problems achieving this with common milspec BCG parts. Press question mark to learn the rest of the keyboard shortcuts. Not really a good habbit to be sticking stuff in there from the muzzle, but I'd make an exception. What you are going to have to do is "mortar" it. I have to tap it on the ground to get the buffer spring to push the . Are you sure it's the bolt binding, and it's not bound on the gas tube? The bolt carrier and Bolt would not fully seat. 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 do, however, keep the barrel extension and chamber relatively clean. The standard bolt carrier group consists of a bolt carrier, bolt, firing pin, gas key, cam pin, and firing retaining pin. Add to Wish List Add to Compare. Perhaps a tad catawampus or debris. EDIT: FIXED! Me being relatively new to the AK, but not new to disassembly/reassembly of mechanical things, I can tell you don't force anything. 406-304-8183 Login or Sign Up; 0. Is/was the upper new ? I'd have a close look at the chamber face. In my opinion this is less than ideal. Try this-put it back together. You are using an out of date browser. Well, despite my shoulder, I went to the range yesterday. Is it ok to tap on the charging handle with a rubber mallet? All Rights Reserved. Well, when I had it apart earlier the buffer spring was staying in the buffer tube. 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. Two Reasons a 9MM AR Bolt Catch Breaks. It is surprising sometimes how stiff a new BCG can be. Let me ask you a question. It can then pop up and wedge, typically in the buffer tube but sometimes in the receiver. They also drilled the gas port out a little larger since I am using a low mass carrier and adjustable gas block. I would just take off the castle nut and unscrew the buffer if nothing else. Packaged 7.62x39 Bolt Carrier Group Assembly B2-K630-DA00-0P Bolt Carrier Group Assy., 5.56 NATO, M16 Profile, Nitride Bolt & Carrier, RF85 Treated Platform: AR-10. Toll-Free: +1-800-504-5897 Live Chat Help Center Check Order Status. Before you do any removing of anything, or hacksawing please do the following. Regular Price $169.99 Special Price $89.99. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. Sometimes if the cotter pin is put in wrong it can catch. Check out our deals on our bolt carrier groups to complete an AR upper or to find a spare part. Do a function check. Well, I am sitting in front of the tv anyway doing nothing. The bolt carrier group is complete; before continuing lightly apply your oil/lube across the entire BCG but especially the contact . I know it seems a bit harsh, but it works, it's what the military has been doing for years. 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 . Its always nice to exclude thing as being the problem . It houses your firing pin and extractor, which are the key components that make your firearm fire and cycle correctly. Chambers a new cartridge. All AR-15 platform rifles ha. Create an account to follow your favorite communities and start taking part in conversations. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. Shop Faxon Firearms 5.56/300BLK M16 Bolt Carrier Group | 17% Off Customer Rated on 11 Reviews for Faxon Firearms 5.56/300BLK M16 Bolt Carrier Group On Sale + Free Shipping over $49. When you swap uppers, do you also swap bolt carriers? But the bolt carrier is all the way back. I had a blown primer do the same thing to mine. This wouldn't be the first time I'm wrong but if possible try running your stick with a standard mil-spec/phosphate finish BCG and see what happens bro. Out of stock. The Whisper was first based on the little .221 Fireball cartridge cas. Put your pins back in and smack the buttstock on the ground. The Sig Sauer P320: the multi caliber,. A call to armalite confirmed this. 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. Also, there are springs and pins that work with the . Fortunately the solution and prevention are pretty easy. You can also check: Best Budget AR 10 Barrels. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. With both pins out, I can separate the halves about half an inch, but the rear takedown lug? Y en este artculo te lo ensearemos a cmo hacerlo. Yes. Was able to unstick the bolt carrier and the other good news is no round in the chamber. Also it caused other issues, like the bolt over-running the bolt catch on the last round. The bolt carrier group is responsible for the following 4 critical steps. Here is a video on how to do it. In Stock. [ARCHIVED THREAD] - What can cause a bolt to get stuck. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. Packaged Bolt Carrier Group Assembly w/ Logo . $157.49. But there are A LOT of choices. Sounds like your buffer tube may not be threaded in far enough to keep the retainer pin from popping up, causing it to catch the bolt carrier when it goes past it. Re: help!!!! You can leave almost the entire thing dry, as most of it doesn't touch anything. View as Grid List. The charging handle moves back and forth easily now. There is a couple reasons for this common issue of a broken bolt stop, broken bolt catch with the 9MM AR platform. Failure to Feed, Chamber or lock (Click image to view larger image) Probable Causes. The BCG moves freely already. The bolt should be centered properly.