Wanted to share my fallout vault door. You are correct sir! Otherwise it was three short groups with three to five minutes in between. Compete against real players in the multiplayer racing. You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. The BCG moves freely already. . This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. If it has a round chambered point the barrel in a safe direction. "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.". buffer tube), or threaded tail of the lower receiver where the receiver extension screws in. 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 . EDIT: FIXED! 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. 1,592. I have a BCM carrier with old FN bolt that I treat about the same and it runs well without much lube. The longer buffers reduce the amount of travel available to the bolt. I put another fifty rounds or so through the gun. Perhaps a tad catawampus or debris. Courtesy Firearms History. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Chambers a new cartridge. I just bought a fully assembled upper from a guy who builds guns locally. You will be able to leave a comment after signing in, AR15Armory.com Well, after numerous attempts with a padded dowel, vice and hammer, ive had no luck. Add to Wish List Add to Compare. Gas tube alignment could be the culprit. *Must have a registered ARFCOM account to win. Also the charging handle lever, rails, and CH race in the upper. Perfect for your next .308/.243/6.5 Creedmoor Rear Charging AR-10 build. Soaking wet. . Disassembly of my Sig p320 compact. See if there's any damage to the 45 degree relief cuts. Taking the lower off didn't change a thing, so the problem is definitely limited to the upper. You could try to remove the buffer tube. 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. Choose wisely with AT3 Tactical. Next. October 18, 2019 1:01 pm Reply tangofoxtrot. Use a quality recoil spring. My rifles get some smoothing prior to shooting. 2. Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. 1. Then point the muzzle straight up and rap the butt sharply on the ground. Use common sense. LANTAC 5.56/.223 M-SPEC Bolt Carrier Group - QPQ Black Nitride. The bolt carrier group is the heart of any AR10/AR15/M4/M16 type rifle, carbine or AR pistol. 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. Keeping the gun pointed in a safe direction-preferably muzzle up, hold the gun by the handguard and the charging handle. It is stuck! 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. AR-308 Accuracy problems. I have yet to introduce this rifle to more rapid sequences of fire. PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779 . 406-304-8183 Login or Sign Up; 0. Car parking multiplayer gearbox tips. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. $129.99. I currently have the lower fully assembled, upper receiver, bolt carrier group, and charging handle. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I know it seems a bit harsh, but it works, it's what the military has been doing for years. 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. The bolt should be centered properly. No wonder it is locking up. Remember ARs like it very wet to function well. 4 (100%) "Mortar" it. (with a live round in the chamberLOL. Running it suppressed most of the time with minimal lube it still runs well. Sale. My personal preference is the Hahn and Heavy Buffers offerings. Absolutely. 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. Disassemble and clean/lube the sharps BCG. Back to old site If there is anything in your cart, it will not be brought over to the old site. 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. LANTAC E-BCG Nickel Boron Enhanced Bolt Carrier Group EBCG (2) Sale. Only $ 149.99. My AR's are wet inside. The charging handle moves back and forth easily now. 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. 99 Save up to 20% when you buy more Buy It Now Top Rated Plus. By Should I try freeing it up myself, or take it to an armorer? Any use of this content without express written consent is prohibited. 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 . 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. I tried cycling it a few times and it never would seat. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. but i thought i would post this as a detailed guide. But the bolt carrier is all the way back. Return the BCGs to their original rifle and swap the charging handles. That would meen that chamber has never seen a steel case . Add to Cart. It cleared fine. Is/was the upper new ? Been playing this a lot with my teenage son, and having a blast. November 14, 2010 in The Beginners AR15 Armory. How did you install the barrel? Right to Bear Arms and Supply proudly sells these core components from top-of-the-line brand names, including Anderson Manufacturing, Rock River Arms, Spike's Tactical and WMD Guns. BCG stuck No, when the BCG moves rearward, the bolt is held by the receiver extension. This energy and velocity combined with the over travel condition of the bolt cause premature failure of the 9MM AR Bolt Catch. Have you pushed the front take-down pin out also? I believe my recoil spring is binding inside the bold carrier when I pull the charging handle all the way to the rear. I would just take off the castle nut and unscrew the buffer if nothing else. 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. In stock QUICK ADD . 56 Bolt Carrier Group 158 Carpenter SP/HPT/MPI | Sons Of Liberty Gun Works BCG. AR-10 .308 BOLT CARRIER GROUP DPMS GEN 1 BCG - UCT EXO NICKEL BORON. Just get one of the Brownells 308AR Bolt Carrier Groups, if you're stuck. Could be a combination of tight tolerances and baked on carbon. check out the. , the company's American branch. The BCG will also ensure proper lock up when the rifle is fully into battery so you do not want to cut corners here. Feedback Score. Resetting the hammer in the lower receiver. The BCG moves freely already. 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. 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. Clean the friggin' thing and lube it. Or did you ever take the BCG apart? AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Don't know if that's what was needed or not, but as I said, it worked fine yesterday. It may not display this or other websites correctly. The 9MM AR platform requires some specialized rifle parts to function reliably and prolong longevity of the hardware. SALE PRICE: $137.75. "Tap" your magazine to be sure it is properly seated. For a better experience, please enable JavaScript in your browser before proceeding. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. I can pull the entire bolt carrier group back into the tube but it will seize. Unity Tactical Modlite ModButton Lite - Surefire/Modlite . Was able to unstick the bolt carrier and the other good news is no round in the chamber. You must log in or register to reply here. Specs: Mil-spec Carpenter No. made via mim so some longevity issues may arise sometime in the future. BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP (5.0) $167.99. 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. View More. But there are A LOT of choices. But somehow I failed to notice the buildup on the backside of the bolt. 276-BCG15 | Bear Creek Arsenal. 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. 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. 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. 20 BA 6ARC barrel, 16 SLR Handguard (mlok), Odin Works 6ARC BCG, TriggerTech AR-15 Trigger. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. 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. 227-GTBCG | Guntec. 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. Re your edit - ha! 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. The BCG is stuck pretty far back in the buffer tube. 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. This slightly wears in the parts and gas rings and makes the initial rounds chamber and eject easier. I would double check this. I use mid range reloads so I couldn't figure why it would be jammed.. Had the gun been cleaned before it was put up? Its an American Tactical upper and an 80% built lower. I was able to separate the upper from the lower. As others stated, give it a good cleaning and lube well to include lugs and barrel extension. I also tried forcing the BCG forward from the mag well, but again, seized hard and can't get the bolt to slide back into the BCG. Realized it when trying to join upper and lower receiver. Safety Guideline's for using this technique3:30 Outro View Details Angstadt Arms 9mm Bolt Carrier Assembly Method 1: Change Your Buffer Spring. and responded with an answer, because my bolt (well entire carrier really) did in fact get stuck in the open position due to the . 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! 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. "Rack" pull the charging handle of your AR-15 back swiftly with ample force and release it . The image below gives a nice breakdown of the parts in a typical BCG. Regular Price $169.99 Special Price $89.99. Suggestions? This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. Put your pins back in and smack the buttstock on the ground. And most people don't know how to lube an AR bolt carrier group. Bet-your-life dependability is a non-negotiable prerequisite. Get rid of them. Create an account to follow your favorite communities and start taking part in conversations. Those vids are insane. 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. View Details F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG) - TTZ Gold . 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. I was using Federal .223 FMJ rounds. Platform: AR-10. My experience is that when a bolt locks up, with nothing in the chamber, it's always been a popped primer/anvil in there, and they often fly out when you jack it open. K. ken4570tc in WY Gunny Sergeant. There might still be a problem with the problem rifle's lower receiver extension (a.k.a. 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. The purpose of the special 9MM Catch is to allow the bolt hold open feature to function with the Colt 32 Round magazines, their clones and modified UZI magazines. B2-K630-A001-0P. most likely the cheap amazon prime sights thats killing your gun. 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. (another big mistake) and the bolt and carrier is now stuck in the upper receiver. ARFCOM is full of answers, mine is just one consideration. One new winner* is announced every week! Colt AR6951 Bolt Catch is the only dedicated 9MM Bolt Catch that I am familiar with.and know of. Sale. 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. Unfortunately though sometimes the best researched plans do not uncover shortcomings of the AR and in this case the 9MM AR. $157.49. Thanks so much for your helpful reply. 3. Press question mark to learn the rest of the keyboard shortcuts. Any use of this content without express written consent is prohibited. A thorough cleaning followed by the liberal application of lube is in order. 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. Re: help!!!! Ok, I am a total noobie. Laziness is not an excuse. 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. The general consensus is brute force. Solution Part Three I have learned over the years that all AR-15 recoil springs are not created equal. 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. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Or, You might have a burst shell casing that's hung up on the Bolt. No AR15 build is complete without a high-grade Nickel Boron bolt carrier group - BCG . Well, I am sitting in front of the tv anyway doing nothing. Because it's a nickel boron bcg, I was hoping this would be the magic solution that prevented me from having to lube anything. The round (unfired) would eject but the bolt would not seat. Expand. Instagram Facebook-f Youtube. The bolt carrier and Bolt would not fully seat. A similar incident happened at the range last week and the guy had some debris stuck in the locking lugs. On my new rifle, I've been having an issue where the bolt carrier tends to get "stuck" or locks back. I'm not sure. I had a broken decapping pin from a reloading die end up in my chamber once. The Lower Parts Kit for AM-15 includes the following: Bolt Catch . 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. 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. The charging handle would not pull back to eject the live round in the chamber. Those pictures don't help. Ejects the spent cartridge after firing. 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 . Try this-put it back together. 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. Or you can try to force it forward from underneath the magwell. The Whisper was first based on the little .221 Fireball cartridge cas. Use a Flathead screwdriver in the middle of the circular cut out on the Handle and give it a tunk. 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.". Also, there are springs and pins that work with the . 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 it caused other issues, like the bolt over-running the bolt catch on the last round. The majority of weapon failures stem from issues with the bolt carrier group, and a good bolt carrier group can keep the failures to a . LANTAC 223/5.56 E-BCG Full Auto Style Bolt Carrier Group - Nickel Boron. You can also check: Best Budget AR 10 Barrels. You could also look at the forward assist. It will chamber a round alright, but takes a great amount of force to pull it back manually. Immediate Action: " Tap, Rack, and Reassess ". Shop for Rifle Bolts & Bolt Carrier Groups at Brownells!
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