I still can't get the bolt carrier and bolt out of the upper. I would start by replacing that bolt/carrier. You can also check: Best Budget AR 10 Barrels. Can you see the bolt carrier through the mag well? You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. I have to tap it on the ground to get the buffer spring to push the . Remember ARs like it very wet to function well. 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. Put your pins back in and smack the buttstock on the ground. 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. 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. High-quality AR15 Bolt Carrier Group (BCG) at Affordable Prices. 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. $124.95 On sale: $114.95 Back Order. Best I can figure, it found its way into a magazine, then miraculously fully fed into the firing pin channel. So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. Out of stock. Issue is that bolt won't rotate/slide back inside bolt carrier. 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. Rating: 93%. Press question mark to learn the rest of the keyboard shortcuts. Then point the muzzle straight up and rap the butt sharply on the ground. Taking the lower off didn't change a thing, so the problem is definitely limited to the upper. . I would double check this. The mass & inertia of the bolt carrier group will pop the stuck round out of the chamber. I would just take off the castle nut and unscrew the buffer if nothing else. 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 BCG will also ensure proper lock up when the rifle is fully into battery so you do not want to cut corners here. Recently bought a house and it had a bomb shelter in it. S197 Gunny Sergeant Full Member Minuteman . Put the gun back together. Pushed on it and heard it click. AR 10 Charging Handles Review. Toughness of over 200 ft./lb. I read the title (What can cause a bolt to get stuck?) Do this a couple times and it should free your BCG up. Anyway shot it Monday ran 60 rounds through it no problem. ? Is/was the upper new ? The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. 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. Angstadt Arms Bolt Carrier Group - 9mm. This is not a break in issue. Add to Wish List Add to Compare. That's really dirty. Did you run polymer coated ammo by any chance? SALE PRICE: $89.99. This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. 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. If you are looking for a bolt carrier group for sale, Surplus Ammo has what you need. When you swap uppers, do you also swap bolt carriers? If that fails tap the Handle. Odin Works AR-15 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group Usually Ships in 24 Hours MSRP: $149.00 . Redirects gas produced from firing to perform other functions. (What can cause a bolt to get stuck?) 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. Last edited by Redbeardsong; 01-14-14 at 22:53 . So there's a direct relationship between the buffer and the bolt. What you are going to have to do is "mortar" it. I took out the XPB BCG and put my original BCG back in and it runs smooth after that. 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. $157.49. For a better experience, please enable JavaScript in your browser before proceeding. Drop the firing pin in the opposite end of the bolt carrier, then press it down to ensure it seals properly. Bolt Material: 9310 Steel Carrier Finish: Black Nitride bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . If all is well, I'd remove bcg 3-4 times, reinsert, etc. The bolt carrier group is complete; before continuing lightly apply your oil/lube across the entire BCG but especially the contact . AT3 AR-15 Bolt Carrier Group - 5.56 NATO/.300 Blackout - Nickel Boron. "We will never sleep, 'cause sleep is for the weak. Any way you could get a screwdiver in there and move it forward. My account; Checkout; GEAR UP! There may even be a live round in the chamber. It was stuck HARD. The BCG moves freely already. Sale. 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. It is surprising sometimes how stiff a new BCG can be. don't worry, you can't break it. [ARCHIVED THREAD] - What can cause a bolt to get stuck. Expand. October 18, 2019 1:01 pm Reply tangofoxtrot. I did it last weekend. 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. Reactions: ken4570tc in WY. The AR-15 bolt carrier group contains vital components for proper functioning of your firearm. Or am I stuck with replacing the entire BCG to get an M16 bolt carrier? DrBob, One new winner* is announced every week! But be careful with that muzzle. Take off the stock, loosen the castle nut, and unscrew the buffer tube. About Women's Health Newsletter Customer Care Advertise Media Kit Other Hearst Subscriptions Subscribe Give a Gift. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . October 22, 2019 2:57 am Reply Gary. aren't particularly expensive and are generally between $50 and $100 for a complete LPK inclusive of fire control . I just bought a fully assembled upper from a guy who builds guns locally. 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! The charging handle would not pull back to eject the live round in the chamber. The Bolt Carrier Group (BCG) on an AR-15 is the collection of components of the rifle or pistol that performs the following functions when the trigger is pulled: Fires the cartridge. My rifles get some smoothing prior to shooting. Well, when I had it apart earlier the buffer spring was staying in the buffer tube. Put your pins back in and smack the buttstock on the ground. If your gonna let your gun get that dirty you must run it wet. Bash on the forward assist? The longer buffers reduce the amount of travel available to the bolt. The BCG moves freely already. ARFCOM is full of answers, mine is just one consideration. Create an account to follow your favorite communities and start taking part in conversations. 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. Shop for Rifle Bolts & Bolt Carrier Groups at Brownells! You might not have noticed. Reason Two The blow back nature of the 9MM AR recoil system provides the 9MM bolt with some serious energy and velocity. $290.99 On sale: $228.95 In Stock. 227-GTBCG | Guntec. 26 items . Press J to jump to the feed. I know, dumb as he.. and not paying attention. Also it caused other issues, like the bolt over-running the bolt catch on the last round. Free open world with real gas stations and car services. This full auto carrier is heat treated and precision machined. I traded out the BCG on the problem gun with my good BCG and it works just fine. Check the charging handle / channel, bcg / chamber if anything goofy. This is often too short. (Ok, i admit, it was a CMMG bargain bin). At this point in my life, I had thought that I had learned to always inspect new equipment before trying to use it. See post edit for details. Otherwise it was three short groups with three to five minutes in between. Thanks so much for your helpful reply. I was using Federal .223 FMJ rounds. The gas key is staked on both sides of both bolts. November 14, 2010 in The Beginners AR15 Armory. 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 . AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. EDIT: FIXED! When I let the BCG go forward, won't go into battery enough for the BCG to clear the buffer tube. I was able to separate the upper from the lower. 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. A $34.95 value! Lube those too. Re: help!!!! The bolt should be centered properly. This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. Had the gun been cleaned before it was put up? Here is a video on how to do it. 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. Car parking multiplayer gearbox tips. Can't say I'm in favor of "mortaring" the rifle. Basically your gun stopped shooting, something doesnt fit or worst of all your gun experienced a hardware failure. The quickest way to find problems with a weapon is to simply shoot it and shoot it a lot. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. All Rights Reserved. Pull the Bolt back to extend it and turn the Cam Pin 90 degrees. And most people don't know how to lube an AR bolt carrier group. You have significant carrier movement prior to any unlocking/bolt rotation. No wonder it is locking up. The general consensus is brute force. 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. You could also look at the forward assist. Maybe there is/was a bur in the barrel at the gas port . It might not be square. 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. *Must have a registered ARFCOM account to win. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. B2-K630-A001-0P. This over-travel condition allows the 9MM AR Bolt to travel too fast in the forward direction causing premature failure of the bolt catch. Without question the biggest malfunction 9MM AR shooters experience is a broken bolt stop, broken bolt catch. Add to Wish List Add to Compare. 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. If your pretty sure you have a live round in there, I'd take it to he Armorer. and responded with an answer, because my bolt (well entire carrier really) did in fact get stuck in the open position due to the . 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. Do this a couple times and it should free your BCG up. Don't forget, you can always check for a live round in the chamber by inserting something down the barrel and seeing where it stops. #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! Try this-put it back together. Today, I was taking it out, and I could not for the life of me get the bolt to unlock. Concrete and rebar 12in thick ceiling, walls and floor. Check it out at this link:https://kydexowbholsters.com/firearms-legal-protection-costFirearms Legal Protection provides uncapped legal defense for members who use a firearm (or any legal weapon) in self-defense or the defense of others.If you found this video helpful and you would like to support the channel, please buy me a coffee! . Take the gun back to the builder and see what he/she says about the problem. In my opinion this is less than ideal. 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. Page. Any ideas? Don't think so. Is it ok to tap on the charging handle with a rubber mallet? The round (unfired) would eject but the bolt would not seat. 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.". I can take out the pins and the upper an lower come apart a bit, but I can't completely remove them. I had a blown primer do the same thing to mine. (with a live round in the chamberLOL. 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. MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT - BLACK. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. The purpose of this page is to aid you with 9MM AR troubleshooting. You will be able to leave a comment after signing in, AR15Armory.com 158; HP/MPI Inspected bolt CONFIRM CANCEL. 3. LANTAC 5.56/.223 M-SPEC Bolt Carrier Group - QPQ Black Nitride. 1,592. Grabbing onto and ejecting the spent casing from the fired round. 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. The case wound up being stuck in the chamber (it didn't burst or anything, but was stuck in there pretty good). View as Grid List. Don't know if that's what was needed or not, but as I said, it worked fine yesterday. 499. 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. Because it's a nickel boron bcg, I was hoping this would be the magic solution that prevented me from having to lube anything. Its always nice to exclude thing as being the problem . JavaScript is disabled. It will chamber a round alright, but takes a great amount of force to pull it back manually. This video will show you how to disassemble your Sig Sauer P320. Ejects the spent cartridge after firing. This should be enough thrust of inertia to get the bolt carrier assembly to come forward. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. Copyright 1996-2023 AR15.COM LLC. Unity Tactical Modlite ModButton Lite - Surefire/Modlite . but i thought i would post this as a detailed guide. 99 Save up to 20% when you buy more Buy It Now Top Rated Plus. 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. And when this happened to me it ruined my day of shooting and did know how to fix the issue until later when I got back from shooting and looked up solutions on the internet and it took me many searches to find this method so I figured I would pay it forward and upload a video of my own to help other ar15 owners in case they need to ever perform this technique and get their rifle back to working order.
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