Put your pins back in and smack the buttstock on the ground. Stuck Bolt Carrier Group. I use mostly Mobil 1 though about anything is better than nothing. How did you install the barrel? What you are going to have to do is "mortar" it. You must log in or register to reply here. Its always nice to exclude thing as being the problem . 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. Unfortunately it will take several weeks to have corrected. In Stock. I do not run "wet" and rarely clean with less than 500 rounds fired since the last clean/lube. 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 . 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. I did not see any problem with the lower. !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. The BCG moves freely already. The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. AR-15 Nitride Bolt Carrier Group Mil-Spec. I tried cycling it a few times and it never would seat. 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. Or, You might have a burst shell casing that's hung up on the Bolt. $124.95 On sale: $114.95 Back Order. PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group . Any way you could get a screwdiver in there and move it forward. This slightly wears in the parts and gas rings and makes the initial rounds chamber and eject easier. The first attempt to remedy any stoppage of an AR-15 should be what those in the know call Immediate Action: "Tap, Rack, and Reassess.". This should be enough thrust of inertia to get the bolt carrier assembly to come forward. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . A $34.95 value! 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. 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. Here is a video on how to do it. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. 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. Yes. Try the Mortar thunk first, I forgot about that. I currently have the lower fully assembled, upper receiver, bolt carrier group, and charging handle. 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. EDIT: FIXED! The method is pretty much specific to the M16/AR-15 platform, as most other semi or full auto military rifles have a steel bolt handle attached to the operating rod that can be beat open with a stick of wood, or kicked open with a combat boot heel. 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. CMMG and Rock River Arms also offer 9MM AR specific bolt catches. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. Back to old site If there is anything in your cart, it will not be brought over to the old site. October 22, 2019 2:57 am Reply Gary. !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!! [ARCHIVED THREAD] - Bolt carrier stuck in buffer tube. The longer buffers reduce the amount of travel available to the bolt. 2. Flat Dark Earth m16 FDE pvd ar15 bolt carrier group BCG $ 248.80 $ 199.80-43%. Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do. Remember ARs like it very wet to function well. thanks for your reply. I also oil liberally for the first 500 or so rounds. The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. The reason why I ask is its very common with new guns for an assembler to not have that buffer tube screwed in far enough to hold that retaining pin which is spring loaded down. I was at the range today and had a FTE. 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. Got it. It'll likely serve you well afterwards. 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. 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. 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. Maybe there is/was a bur in the barrel at the gas port . I have a BCM carrier with old FN bolt that I treat about the same and it runs well without much lube. Me being relatively new to the AK, but not new to disassembly/reassembly of mechanical things, I can tell you don't force anything. Should I try freeing it up myself, or take it to an armorer? 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. 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. Had the gun been cleaned before it was put up? You got to lube these rifles . If you have any experience to offer send us a message. Now that your bolt is back so far, is it now stuck in the buffer? Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do. Pros: Looks great; Cons: Out of tolerance/no QA; Best Used for: Door . See if there's any damage to the 45 degree relief cuts. If you have another BCG I'd try it. Take it apart and clean it real good then oil it back up and cycle it several times. 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. You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. 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. Bet-your-life dependability is a non-negotiable prerequisite. Add to Wish List Add to Compare. Batch MPI and HPT tested. There may even be a live round in the chamber. Stuck with this junk unless I can convince Faxon to fix it. Strangely enough, the problem BCG works perfectly in my personal AR. Is it ok to tap on the charging handle with a rubber mallet? They also drilled the gas port out a little larger since I am using a low mass carrier and adjustable gas block. SALE PRICE: $137.75. Best I can figure, it found its way into a magazine, then miraculously fully fed into the firing pin channel. Page. The bolt carrier and Bolt would not fully seat. Now the bolt/carrier is sticking like crazy. Was the bolt stuck with a round in the chamber? Best AR-15 BCGs. When i work the bolt via the charging handle, the bolt will get stuck in the buffer tube. ARFCOM is full of answers, mine is just one consideration. 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. Put the gun back together. JavaScript is disabled. buffer tube), or threaded tail of the lower receiver where the receiver extension screws in. Did you see the FBMG Saiga 308 threads or the AGP threads holy lord. Also it caused other issues, like the bolt over-running the bolt catch on the last round. Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi. I read earlier in posts about cleaning and will say this in my experience as long as you have your stick lubed up with a decent CLP, it really shouldn't matter how dirty it is given your AO. Any use of this content without express written consent is prohibited. Running it suppressed most of the time with minimal lube it still runs well. November 14, 2010 in The Beginners AR15 Armory. Next. My personal preference is the Hahn and Heavy Buffers offerings. There might still be a problem with the problem rifle's lower receiver extension (a.k.a. Resetting the hammer in the lower receiver. Two Reasons a 9MM AR Bolt Catch Breaks. I didn't have any issues with the bolt/bullet sticking and didn't have to practice my mortaring technique. Jones. 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. Carrier looks dirty as he'll. I can take out the pins and the upper an lower come apart a bit, but I can't completely remove them. If your pretty sure you have a live round in there, I'd take it to he Armorer. Could be a combination of tight tolerances and baked on carbon. Re: help!!!! Any suggestions? Now if you look at the 9mm buffer specifications below you will notice that most 9mm AR buffers are longer than the Colt or RRA which are the traditional standards. White Label Armory 5.56 Bolt Carrier Group Billet Extractor Blue PVD M16 AR15 BCG . Well, I am sitting in front of the tv anyway doing nothing. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. 276-BCG15 | Bear Creek Arsenal. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. LANTAC 223/5.56 E-BCG Full Auto Style Bolt Carrier Group - Nickel Boron. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. 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. $129.99. I was able to separate the upper from the lower. By 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. 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. (with a live round in the chamberLOL. Does the round at all look deformed? I've had the same situation happen to me once before and it turned out that the round had a slight bulge around it's base. You might want to pick up a cheap DS arms BCG just to have on hand. 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. A different 9MM buffer is needed and possibly a higher quality buffer spring. No AR15 build is complete without a high-grade Nickel Boron bolt carrier group - BCG . Up to this point in time, I've not had any problems achieving this with common milspec BCG parts. Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. I do, however, keep the barrel extension and chamber relatively clean. It houses your firing pin and extractor, which are the key components that make your firearm fire and cycle correctly. 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. But somehow I failed to notice the buildup on the backside of the bolt. Prime Premium AR15 Charging Handle $ 29.95 $ 19.95 SALE. Clean the barrel nut lugs. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. Wanted to share my fallout vault door. I prefer a more professionally engineered solution that is simpler and has less parts. 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. LANTAC 5.56/.223 M-SPEC Bolt Carrier Group - QPQ Black Nitride. Look for the shiny spots in the upper caused by the bolt carrier. It is not stuck in battery. You're currently reading page 1; Page 2; Page 3 . Took a few whacks. Create an account to follow your favorite communities and start taking part in conversations. I would never let any of my ARs look like that. You could try to remove the buffer tube. Toll-Free: +1-800-504-5897 Live Chat Help Center Check Order Status. 4 (100%) "Mortar" it. Because it's a nickel boron bcg, I was hoping this would be the magic solution that prevented me from having to lube anything. If your bolt is stuck and you've shot more than 1000 rounds, the culprit might be your buffer spring. (Ok, i admit, it was a CMMG bargain bin). Reactions: ken4570tc in WY. 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. The bolt carrier group is the heart of any AR10/AR15/M4/M16 type rifle, carbine or AR pistol. don't worry, you can't break it. Also the charging handle lever, rails, and CH race in the upper. $290.99 On sale: $228.95 In Stock. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. This full auto carrier is heat treated and precision machined. 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 no accidental firing. I had a broken decapping pin from a reloading die end up in my chamber once. Maybe try a good hard hank on the Charging handle. Taking the lower off didn't change a thing, so the problem is definitely limited to the upper. The quickest way to find problems with a weapon is to simply shoot it and shoot it a lot. Does the BCG move freely into the upper without the lower? This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. But there are A LOT of choices. (another big mistake) and the bolt and carrier is now stuck in the upper receiver. . Insert the firing retainer pin (aka cotter pin). The general consensus is brute force. 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 . The BCG is all the way back. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. $162.54. COMPANY. Perhaps a tad catawampus or debris. MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT - BLACK. Yes. Without going into too much detail, when you fire your rifle, gas moves from the barrel up through the gas tube and back into the gas key. Soaking wet. PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779 . Absolutely. Note: When discussing the 9MM AR the assumption is made that the shooter is utilizing a carbine length buffer system. Pushed on it and heard it click. Add to Wish List Add to Compare. Those vids are insane. Press J to jump to the feed. The bolt seats very early in the cycle. I put another fifty rounds or so through the gun. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. When you took it apart, was the buffer spring staying in the buffer? Free open world with real gas stations and car services. Issue is that bolt won't rotate/slide back inside bolt carrier. There is a couple reasons for this common issue of a broken bolt stop, broken bolt catch with the 9MM AR platform. This video will show you how to disassemble your Sig Sauer P320. usmc to&e website; who makes solgw barrels. If it has a round chambered point the barrel in a safe direction. Method 1: Change Your Buffer Spring. Shop with us and get the best bolt carrier group on the market today! View More. So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. The bcg should come right back. S197 Gunny Sergeant Full Member Minuteman . Well, when I had it apart earlier the buffer spring was staying in the buffer tube. Well, despite my shoulder, I went to the range yesterday. The charging handle moves back and forth easily now. 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. Out of stock. You have significant carrier movement prior to any unlocking/bolt rotation. All Rights Reserved. Sale. Installed the safe door with 4 guys lifting it up as it weighs 500 pounds. [ARCHIVED THREAD] - What can cause a bolt to get stuck. If you are looking for a bolt carrier group for sale, Surplus Ammo has what you need. Choose wisely with AT3 Tactical. BCG stuck No, when the BCG moves rearward, the bolt is held by the receiver extension. I just bought a fully assembled upper from a guy who builds guns locally. #mortartechnique #ar15charginghandlestuck #stuckcharginghandle0:00 Thumbnail Intro0:06 My 1st hand experience with this type of malfunction0:45 re-creating the malfunction with an empty shell casing1:32 How to fix your ar-15 malfunction using the mortaring technique2:08 problem solved! Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Grabbing onto a new round from the magazine and chambering it. 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. Solution Part Two Some shooters have reduced recoil and improved reliability buy using a 9mm AR buffer that in addition to being longer than standard 9mm AR buffer it is also heavier. Do this a couple times and it should free your BCG up. Lube those too. 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. 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. Add to Wish List Add to Compare. Only $ 149.99. Sometimes if the cotter pin is put in wrong it can catch. Sale. won't clear the lower because the BCG is still sticking into the buffer tube about half an inch. Is/was the upper new ? I had a blown primer do the same thing to mine. Use a quality recoil spring. Create an account to follow your favorite communities and start taking part in conversations. $249.00 On sale: $217.95 In Stock. Caliber / Gauge: .308 / 6.5 Creedmoor / .243 Winchester / .22-250. Allowing the firing pin to strike the primer on the chambered round. . 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. Then point the muzzle straight up and rap the butt sharply on the ground. Are you sure it's the bolt binding, and it's not bound on the gas tube? Probably 2004 or older. 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 keep the issue from happening again.https://youtu.be/S_wLVeBOJgII show how to use the mortar technique and simulate how my AR-15 bcg locked up with a round chambered and a bolt carrier group that wouldn't budge. Check the charging handle / channel, bcg / chamber if anything goofy. 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 . 16" 5.56 / .223 1x7 GOVERNMENT 4150 CrMoV MELONITE NITRIDE BARREL - MID-LENGTH GAS. Just bought a AR15 carbine on sunday. Pull the bolt back and rotate the cam pin 90-degrees. Ok, I am a total noobie. Otherwise it was three short groups with three to five minutes in between. Do I need to remove the buttstock? That stupid bolt may be getting jammed into the chamber and locking it up. 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. Take the gun back to the builder and see what he/she says about the problem. Copyright 1996-2023 AR15.COM LLC. 6.5 Grendel Bolt Carrier Group . Put your pins back in and smack the buttstock on the ground. Packaged Bolt Carrier Group Assembly w/ Logo . Any use of this content without express written consent is prohibited. The bolt carrier group is complete; before continuing lightly apply your oil/lube across the entire BCG but especially the contact . 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 . Add to Cart. Stupid failure on my part, although I don't know that it would have changed anything. 406-304-8183 Login or Sign Up; 0. Bolt Material: 9310 Steel Carrier Finish: Black Nitride Took it back to the range today and ran about 15 rounds through it and it misfired. bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . AR15 5.56 Bolt Assembly Nickel Boron $ 109.95 $ 74.95 SALE. At most, I shot three three-shot groups in two minutes. BCA M16 Cut 5. 1. The charging handle would not pull back to eject the live round in the chamber. JoeBob dun saved you $10.00! B2-K630-A001-0P. I traded out the BCG on the problem gun with my good BCG and it works just fine. Laziness is not an excuse. 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. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. I tried using the forward assist to seat it. Any ideas? ORION TRAINING GROUP; mortaring your rifle fixes this type 4 malfunction that occurs in the AR15 weapon platform. It is surprising sometimes how stiff a new BCG can be. The BCG moves freely already. Does a normal at carrier work good in it. but i thought i would post this as a detailed guide. When you swap uppers, do you also swap bolt carriers? Quote. It's a solid bolt carrier group, with a few upgrades over a true mil-spec bolt carrier group. But the bolt carrier is all the way back. , the company's American branch. Press question mark to learn the rest of the keyboard shortcuts. I still can't get the bolt carrier and bolt out of the upper. 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. If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. SALE PRICE: $139.99. I took out the XPB BCG and put my original BCG back in and it runs smooth after that. Colt AR6951 Bolt Catch is the only dedicated 9MM Bolt Catch that I am familiar with.and know of. Which in turn fires the bullet. Instagram Facebook-f Youtube. Just get one of the Brownells 308AR Bolt Carrier Groups, if you're stuck. (I had my M&P15 do this occasionally when using steel case ammo I never could figure out what it was about the steel cased ammo that was causing the problem) Have you tried to manually run some rounds thru it with a full magizine to see if any get stuck? Don't know if that's what was needed or not, but as I said, it worked fine yesterday.
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