Up to this point in time, I've not had any problems achieving this with common milspec BCG parts. View Details F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG) - TTZ Gold . 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! I would never let any of my ARs look like that. I know, dumb as he.. and not paying attention. Let me ask you a question. (Ok, i admit, it was a CMMG bargain bin). Prime Premium AR15 Charging Handle $ 29.95 $ 19.95 SALE. 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 was able to separate the upper from the lower. 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? Now the bolt/carrier is sticking like crazy. The quickest way to find problems with a weapon is to simply shoot it and shoot it a lot. 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. 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. Before you do any removing of anything, or hacksawing please do the following. About Women's Health Newsletter Customer Care Advertise Media Kit Other Hearst Subscriptions Subscribe Give a Gift. 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. Last edited by Redbeardsong; 01-14-14 at 22:53 . Its an Anderson Lower, Pre-assembled anderson upper, rear take down goes in like normal, and the BCG does go freely into the upper. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Platform: AR-10. Any way you could get a screwdiver in there and move it forward. 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. You might not have noticed. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . High-quality AR15 Bolt Carrier Group (BCG) at Affordable Prices. 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. The bolt should be centered properly. Put the gun back together. Can't say I'm in favor of "mortaring" the rifle. This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. Gun looks really dirty and dry as a popcorn fart to me, clean and lube it. BCG stuck No, when the BCG moves rearward, the bolt is held by the receiver extension. Allowing the firing pin to strike the primer on the chambered round. When i work the bolt via the charging handle, the bolt will get stuck in the buffer tube. I would just take off the castle nut and unscrew the buffer if nothing else. October 18, 2019 1:01 pm Reply tangofoxtrot. So I was shooting my AR last week, and it was functioning fine. Best AR-15 BCGs. This is often too short. Only $ 149.99. Also, there are springs and pins that work with the . 4 (100%) "Mortar" it. No wonder it is locking up. Reactions: ken4570tc in WY. Charpy C-Notch. Anyway shot it Monday ran 60 rounds through it no problem. Take a pic of the rear of the bolt lugs. 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. . $ 73.99 - $ 75.99. I can pull the entire bolt carrier group back into the tube but it will seize. The BCG moves freely already. Does a normal at carrier work good in it. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. Take off the stock, loosen the castle nut, and unscrew the buffer tube. This slightly wears in the parts and gas rings and makes the initial rounds chamber and eject easier. When I let the BCG go forward, won't go into battery enough for the BCG to clear the buffer tube. A different 9MM buffer is needed and possibly a higher quality buffer spring. I do not run "wet" and rarely clean with less than 500 rounds fired since the last clean/lube. This should be enough thrust of inertia to get the bolt carrier assembly to come forward. In a quick powerful motion shove the rifle forward and hang on causing it to come to a sudden stop. 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. The carrier then moves forward creating a double feed and jamming said casing into the outside edge of the feed ramp (I think?). 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. When you install it, youll slide it into place through the rear of the receiver until it locks into place. no accidental firing. 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. CONFIRM CANCEL. Odin Works AR-15 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group Usually Ships in 24 Hours MSRP: $149.00 . Step One: Complete AR15 Disassembly - Bolt Carrier Group. You got to lube these rifles . That's really dirty. Did you run polymer coated ammo by any chance? I was at the range today and had a FTE. The general consensus is brute force. $249.00 On sale: $217.95 In Stock. What else could it be? Is it ok to tap on the charging handle with a rubber mallet? Was able to unstick the bolt carrier and the other good news is no round in the chamber. I have never seen a carrier look like yours. Going back to the question of whether or not the upper from the problem rifle works fine with the non-problem lower, if it does, then the issue might be tolerance stacking. I removed the casing and re-assembled. Try this-put it back together. but i thought i would post this as a detailed guide. See if they are willing to fix it to make it right (don't know if he guarantees his work). . The bolt carrier group is the heart of any AR10/AR15/M4/M16 type rifle, carbine or AR pistol. A $34.95 value! . Jones. Keep reading below. The 9MM AR platform requires some specialized rifle parts to function reliably and prolong longevity of the hardware. Bash on the forward assist? I didn't have any issues with the bolt/bullet sticking and didn't have to practice my mortaring technique. Y en este artculo te lo ensearemos a cmo hacerlo. 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. An awesome AR-15 needs a great bolt carrier group (BCG). (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! From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. "We will never sleep, 'cause sleep is for the weak. 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. Which in turn fires the bullet. 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. 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. K. ken4570tc in WY Gunny Sergeant. Also the charging handle lever, rails, and CH race in the upper. 227-GTBCG | Guntec. Buffer is what pushes the bolt carrier group into the cartridge. AT3 AR-15 Bolt Carrier Group - 5.56 NATO/.300 Blackout - Nickel Boron. A similar incident happened at the range last week and the guy had some debris stuck in the locking lugs. If the upper had been used/fired before and they used steel cased ammo . 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. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. They also drilled the gas port out a little larger since I am using a low mass carrier and adjustable gas block. Without question the biggest malfunction 9MM AR shooters experience is a broken bolt stop, broken bolt catch. Drop the firing pin in the opposite end of the bolt carrier, then press it down to ensure it seals properly. Bolt Finish: Parkerized. Yes. The BCG is stuck pretty far back in the buffer tube. In Stock. Issue is that bolt won't rotate/slide back inside bolt carrier. Bet-your-life dependability is a non-negotiable prerequisite. Is this a complete lower (hammer, trigger installed)? And most people don't know how to lube an AR bolt carrier group. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 158; HP/MPI Inspected bolt Just get one of the Brownells 308AR Bolt Carrier Groups, if you're stuck. So I tried to lube it up but its still very rough and feels like there is a lot of friction going on. AR-10 .308 BOLT CARRIER GROUP DPMS GEN 1 BCG - UCT EXO NICKEL BORON. BCA AR-15 Bolt Carrier Group Black Nitride. The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. I was function checking the movement of the bolt and thats when i ran into the problem. That stupid bolt may be getting jammed into the chamber and locking it up. !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. I use mid range reloads so I couldn't figure why it would be jammed.. 20 BA 6ARC barrel, 16 SLR Handguard (mlok), Odin Works 6ARC BCG, TriggerTech AR-15 Trigger. made via mim so some longevity issues may arise sometime in the future. Re: help!!!! You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. Expand. 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. Get rid of fancy BCG sand use a standard one. Was in a hurry putting my MPX back together after cleaning and put the bolt carrier group into the upper receiver backwards. What you are going to have to do is "mortar" it. 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. Choose wisely with AT3 Tactical. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. Quote. Free open world with real gas stations and car services. Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. IN STOCK. I read the title (What can cause a bolt to get stuck?) Try this: swap BCGs, not uppers. Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do. 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. Don't think so. 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. I just bought a fully assembled upper from a guy who builds guns locally. If your pretty sure you have a live round in there, I'd take it to he Armorer. On select areas, especially during warm weather, I prefer grease though if in a sandy environment I'd stick with oil. 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. Method 1: Change Your Buffer Spring. 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. Noteworthy AR 10 . "Rack" pull the charging handle of your AR-15 back swiftly with ample force and release it . The bolt seats very early in the cycle. 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. Any way you could get a screwdiver in there and move it forward. Was the bolt stuck with a round in the chamber? Take the gun back to the builder and see what he/she says about the problem. Picture of chamber and bolt face would help. Today, I was taking it out, and I could not for the life of me get the bolt to unlock. AR15 5.56 Bolt Assembly Nickel Boron $ 109.95 $ 74.95 SALE. 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. The longer buffers reduce the amount of travel available to the bolt. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. Re your edit - ha! Disassembly of my Sig p320 compact. 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. The AR-15 bolt carrier group, or BCG, is a critical and often misunderstood piece of the AR-15/M16 upper receiver. I would start by replacing that bolt/carrier. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. Check out our deals on our bolt carrier groups to complete an AR upper or to find a spare part. The charging handle would not pull back to eject the live round in the chamber. I tried using the forward assist to seat it. Compete against real players in the multiplayer racing. But the bolt carrier is all the way back. AR-9 9MM BOLT CARRIER GROUP - GLOCK AND COLT BCG - WMD NiB-X NICKEL BORON. ORION TRAINING GROUP; The charging handle moves back and forth easily now. You can leave almost the entire thing dry, as most of it doesn't touch anything. Carrier looks dirty as he'll. Had the gun been cleaned before it was put up? The magazine is out. 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 The bolt carrier group is also a part of the upper receiver to an AR-15. 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. The bcg should come right back. You're currently reading page 1; Page 2; Page 3 . 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. 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. Does the round at all look deformed? 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. I have to tap it on the ground to get the buffer spring to push the . 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. 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. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Use a quality recoil spring. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Its an American Tactical upper and an 80% built lower. If your bolt is stuck and you've shot more than 1000 rounds, the culprit might be your buffer spring. Press question mark to learn the rest of the keyboard shortcuts. At most, I shot three three-shot groups in two minutes. 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 is not a break in issue. [ARCHIVED THREAD] - What can cause a bolt to get stuck. There may even be a live round in the chamber. By Pull the Bolt back to extend it and turn the Cam Pin 90 degrees. You may have to lightly push on the FA, but you shouldn't have to jam on it to get into go into battery. With all this great advice, let us know how it goes. Grabbing onto a new round from the magazine and chambering it. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. 800-741-0015 . Press J to jump to the feed. 7.62 x 39mm Caliber Bolt Assembly Nitride $ 99.95 $ 69.95 SALE. Perhaps it's the zoomed pic but that bcg looks like crap. Basically your gun stopped shooting, something doesnt fit or worst of all your gun experienced a hardware failure. My AR's are wet inside. 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. Remember ARs like it very wet to function well. $129.99. Realized it when trying to join upper and lower receiver. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. *Must have a registered ARFCOM account to win. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. I would really appreciate your support!https://www.buymeacoffee.com/dmonyerH Time Codes:0:00 Start with Bolt Carrier Group already removed from AR-15 rifle0:14 Remove the BCG Cotter Pin \u0026 Firing Pin0:29 Remove the bolt from the Carrier0:54 Remove the Extractor from the Bolt1:33 Reassembly of the AR-15 Bolt Carrier Group2:01 Check the Gas rings \u0026 Lubricate the Bolt3:20 Assemble the Bolt to the Carrier4:00 Reinstall the Firing Pin \u0026 Cotter PinThis video will show you every simple step and you will be a pro in no time! That bolt is encrusted and the chamber is filthy. 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. 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 . Sometimes if the cotter pin is put in wrong it can catch. Get an AR-10 bolt carrier group and get to shooting. 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