Installed the safe door with 4 guys lifting it up as it weighs 500 pounds. 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. Recently bought a house and it had a bomb shelter in it. I traded out the BCG on the problem gun with my good BCG and it works just fine. Clean the barrel nut lugs. $290.99 On sale: $228.95 In Stock. 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. You could also look at the forward assist. BCA AR-15 Bolt Carrier Group Black Nitride. 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 . I was able to separate the upper from the lower. You must log in or register to reply here. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. Concrete and rebar 12in thick ceiling, walls and floor. 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. You got to lube these rifles . Clean the friggin' thing and lube it. Well, after numerous attempts with a padded dowel, vice and hammer, ive had no luck. Take the gun back to the builder and see what he/she says about the problem. Reason Two The blow back nature of the 9MM AR recoil system provides the 9MM bolt with some serious energy and velocity. Press question mark to learn the rest of the keyboard shortcuts. In stock QUICK ADD . 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. 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. October 22, 2019 2:57 am Reply Gary. Only problem is now the bolt carrier is stuck back all the way and won't go forward. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. Disassembly of my Sig p320 compact. When you put the upper from the problem upper on the non-problem lower, does the BCG from the problem rifle bind in the buffer of the non-problem rifle? You're currently reading page 1; Page 2; Page 3 . If you recoil spring feels week replace it with a Wolff XP or from another reputable manufacturer. Safety Guideline's for using this technique3:30 Outro My guess is Benelli will replace the bolt carrier group and the barrel assembly. The case wound up being stuck in the chamber (it didn't burst or anything, but was stuck in there pretty good). You can leave almost the entire thing dry, as most of it doesn't touch anything. Maybe a loose Gas Key holding it up? While I think a well broken in AR probably doesn't need as much lube as I put on it, you may be stretching the limits there OP. Angstadt Arms Bolt Carrier Group - 9mm. Search. A thorough cleaning followed by the liberal application of lube is in order. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. COMPANY. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. They also drilled the gas port out a little larger since I am using a low mass carrier and adjustable gas block. Keep reading below. 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. It can then pop up and wedge, typically in the buffer tube but sometimes in the receiver. !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!! 7.62 x 39mm Caliber Bolt Assembly Nitride $ 99.95 $ 69.95 SALE. The charging handle would not pull back to eject the live round in the chamber. So there's a direct relationship between the buffer and the bolt. Basically your gun stopped shooting, something doesnt fit or worst of all your gun experienced a hardware failure. Hey All, New to the AK world so please excuse the lack of knowledge. So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. If the upper had been used/fired before and they used steel cased ammo . 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. Had the gun been cleaned before it was put up? The 9MM AR platform requires some specialized rifle parts to function reliably and prolong longevity of the hardware. [ARCHIVED THREAD] - What can cause a bolt to get stuck. I run 'em wet (not stupid wet) anyhow. I would double check this. 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. Or stuck on an empty chamber? Does the round at all look deformed? The bolt carrier group is responsible for the following 4 critical steps. Ok, I am a total noobie. Probably 2004 or older. The bolt has seized inside the carrier in the forward/fully extended position. Take a pic of the rear of the bolt lugs. View Details F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG) - TTZ Gold . Grabbing onto and ejecting the spent casing from the fired round. Pushed on it and heard it click. Is this a complete lower (hammer, trigger installed)? AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 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. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. My AR's are wet inside. This energy and velocity combined with the over travel condition of the bolt cause premature failure of the 9MM AR Bolt Catch. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Odin Works AR-15 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group Usually Ships in 24 Hours MSRP: $149.00 . Any use of this content without express written consent is prohibited. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. Arm or Ally AR15 / M16 5.56 NATO Bolt Carrier Group - Black Nitride. 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. 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. Been playing this a lot with my teenage son, and having a blast. Rating: 93%. I was function checking the movement of the bolt and thats when i ran into the problem. At this point in my life, I had thought that I had learned to always inspect new equipment before trying to use it. Oh and yes i know this is referred to as "mortaring". Or you can try to force it forward from underneath the magwell. $162.54. I do not run "wet" and rarely clean with less than 500 rounds fired since the last clean/lube. I can pull the entire bolt carrier group back into the tube but it will seize. Out of stock. How new is everything, could be just tight because of being new parts needing to work into each other, or possible the bolt was not rotating correctly, make sure and take the bolt control group apart and check everything. Then point the muzzle straight up and rap the butt sharply on the ground. Bolt Carrier Group Assembly, 6.5 Grendel, M16 Profile, Nitride Bolt & Carrier [Retail Packaged] B2-K630-BA00-0P. There was a live, unfired round in the chamber - scary. I did it last weekend. The key moves this gas into the bolt carrier group; this unlocks the BCG and pushes . You might not have noticed. Bet-your-life dependability is a non-negotiable prerequisite. Unity Tactical Modlite ModButton Lite - Surefire/Modlite . The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. Disassemble and clean/lube the sharps BCG. 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! Method 1: Change Your Buffer Spring. Only $ 149.99. Bolt Material: 9310 Steel Carrier Finish: Black Nitride buffer tube), or threaded tail of the lower receiver where the receiver extension screws in. Was in a hurry putting my MPX back together after cleaning and put the bolt carrier group into the upper receiver backwards. Its an Anderson Lower, Pre-assembled anderson upper, rear take down goes in like normal, and the BCG does go freely into the upper. Compete against real players in the multiplayer racing. When you swap uppers, do you also swap bolt carriers? View as Grid List. no accidental firing. If you have another BCG I'd try it. Charging Handles Combos. Free open world with real gas stations and car services. I can take out the pins and the upper an lower come apart a bit, but I can't completely remove them. Wanted to share my fallout vault door. The magazine is out. here is the album of photos, let me know if there are any others i should include: http://imgur.com/gallery/ezQxC. Remember ARs like it very wet to function well. ARFCOM is full of answers, mine is just one consideration. LANTAC E-BCG Nickel Boron Enhanced Bolt Carrier Group EBCG (2) Sale. Once again look at the chart below and compare the Colt and RRA buffers to the other manufacturers listed. That stupid bolt may be getting jammed into the chamber and locking it up. Bolt Finish: Parkerized. It is not stuck in battery. Or am I stuck with replacing the entire BCG to get an M16 bolt carrier? Don't think so. If your pretty sure you have a live round in there, I'd take it to he Armorer. 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. Stupid failure on my part, although I don't know that it would have changed anything. won't clear the lower because the BCG is still sticking into the buffer tube about half an inch. Contact who you purchased it from. don't worry, you can't break it. JoeBob dun saved you $10.00! I am beyond OP's return dates. Try this: swap BCGs, not uppers. There is a couple reasons for this common issue of a broken bolt stop, broken bolt catch with the 9MM AR platform. Running it suppressed most of the time with minimal lube it still runs well. This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. aren't particularly expensive and are generally between $50 and $100 for a complete LPK inclusive of fire control . For a better experience, please enable JavaScript in your browser before proceeding. It was stuck HARD. It cleared fine. Harry from UBR Tech gave a tutorial on how to disassemble and reassemble a Sig P320This video is to show you how to assemble and disassemble purposes of repa. Which in turn fires the bullet. Add to Wish List Add to Compare. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. If you have a standard stock, you can remove the upper buttplate screw and insert a small rod and tap the carrier forward. . Maybe try a good hard hank on the Charging handle. Add to Wish List Add to Compare. 26 items . Picture of chamber and bolt face would help. 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 also oil liberally for the first 500 or so rounds. 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. I do, however, keep the barrel extension and chamber relatively clean. Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. The gas key is staked on both sides of both bolts. 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. Keeping the gun pointed in a safe direction-preferably muzzle up, hold the gun by the handguard and the charging handle. AR-9 9MM BOLT CARRIER GROUP - GLOCK AND COLT BCG - WMD NiB-X NICKEL BORON. One new winner* is announced every week! Batch MPI and HPT tested. SALE PRICE: $137.75. Try this-put it back together. Press J to jump to the feed. You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. It might not be square. A $34.95 value! Answer (1 of 8): Is an AR-15 .300 AAC Blackout bolt carrier group the same as a .223/5.56 BCG? Packaged Bolt Carrier Group Assembly w/ Logo . The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. $157.49. 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. SALE PRICE: $89.99. i have a few thousand rounds on mine and no issues or deformation. Page. I know it seems a bit harsh, but it works, it's what the military has been doing for years. This over-travel condition allows the 9MM AR Bolt to travel too fast in the forward direction causing premature failure of the bolt catch. DrBob, But somehow I failed to notice the buildup on the backside of the bolt. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . $249.00 On sale: $217.95 In Stock. What you are going to have to do is "mortar" it. 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. 3. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. I use mid range reloads so I couldn't figure why it would be jammed.. I tried cycling it a few times and it never would seat. 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. Take it apart and clean it real good then oil it back up and cycle it several times. I use mostly Mobil 1 though about anything is better than nothing. Chambers a new cartridge. All Rights Reserved. Best I can figure, it found its way into a magazine, then miraculously fully fed into the firing pin channel. Strangely enough, the problem BCG works perfectly in my personal AR. 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. Next. PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779 . See if there's any damage to the 45 degree relief cuts. Is it difficult to push the rear takedown pin in? 1. (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? Use a Flathead screwdriver in the middle of the circular cut out on the Handle and give it a tunk. Those vids are insane. Bash on the forward assist? 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. I would just take off the castle nut and unscrew the buffer if nothing else. It is stuck! I have to tap it on the ground to get the buffer spring to push the . Maybe there is/was a bur in the barrel at the gas port . Then push the rear take down pin and open the action as normal. 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. thanks for your reply. "We will never sleep, 'cause sleep is for the weak. Re your edit - ha! There might still be a problem with the problem rifle's lower receiver extension (a.k.a. Specs: Mil-spec Carpenter No. AR-15 Nitride Bolt Carrier Group Mil-Spec. The bolt carrier is sticking out of the back of the upper receiver about 1/4". Its an American Tactical upper and an 80% built lower. Colt AR6951 Bolt Catch is the only dedicated 9MM Bolt Catch that I am familiar with.and know of. No AR15 build is complete without a high-grade Nickel Boron bolt carrier group - BCG . Sale. On select areas, especially during warm weather, I prefer grease though if in a sandy environment I'd stick with oil. I bashed the forward assist, but bolt is seized hard. This is often too short. 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