Pull the bolt back and rotate the cam pin 90-degrees. It's a solid bolt carrier group, with a few upgrades over a true mil-spec bolt carrier group. 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 Its an American Tactical upper and an 80% built lower. Maybe there is/was a bur in the barrel at the gas port . (another big mistake) and the bolt and carrier is now stuck in the upper receiver. 6.5 Grendel Bolt Carrier Group . The bolt has seized inside the carrier in the forward/fully extended position. Then push the rear take down pin and open the action as normal. 6.5 Type II Grendel Nitride Bolt Assembly $ 99.95 $ 69.95 SALE. Add to Wish List Add to Compare. 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. AR15 5.56 Bolt Assembly Nickel Boron $ 109.95 $ 74.95 SALE. Shop with us and get the best bolt carrier group on the market today! Faxon 5.56/300 BLK Gunner Light Weight Bolt Carrier Group Nitride M16 Bolt Carrier Group AR15 BCG. My rifles get some smoothing prior to shooting. The general consensus is brute force. Any way you could get a screwdiver in there and move it forward. . If you recoil spring feels week replace it with a Wolff XP or from another reputable manufacturer. You will be able to leave a comment after signing in, AR15Armory.com The bolt carrier and Bolt would not fully seat. Could be a combination of tight tolerances and baked on carbon. This energy and velocity combined with the over travel condition of the bolt cause premature failure of the 9MM AR Bolt Catch. 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. LANTAC 5.56/.223 M-SPEC Bolt Carrier Group - QPQ Black Nitride. *Must have a registered ARFCOM account to win. aren't particularly expensive and are generally between $50 and $100 for a complete LPK inclusive of fire control . It is comprised of the bolt, carrier, extractor, ejector, gas key, gas rings, cam pin, firing [in, and the firing pin retaining pin. I also oil liberally for the first 500 or so rounds. DrBob, 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. $98.99. #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! Reason One A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Return the BCGs to their original rifle and swap the charging handles. bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . This will allow your AR15 upper to pivot forward from your . All AR-15 platform rifles ha. 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. This unfortunately allows the 9MM bolt to travel further down the buffer tube than necessary. It was stuck HARD. 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. Gas tube alignment could be the culprit. As others stated, give it a good cleaning and lube well to include lugs and barrel extension. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Perhaps it's the zoomed pic but that bcg looks like crap. LANTAC 223/5.56 E-BCG Full Auto Style Bolt Carrier Group - Nickel Boron. Platform: AR-10. Use a Flathead screwdriver in the middle of the circular cut out on the Handle and give it a tunk. But somehow I failed to notice the buildup on the backside of the bolt. This was the fix, thanks! I did the mortar maneuver. Bolt Material: 9310 Steel Carrier Finish: Black Nitride Pros: Looks great; Cons: Out of tolerance/no QA; Best Used for: Door . Before replacing the upper, do one more test--swap both the charging handles and the BCGs of the rifles. View More. Specifications: Brand: Bear Creek Arsenal. Lube those too. The carrier then moves forward creating a double feed and jamming said casing into the outside edge of the feed ramp (I think?). Add to Wish List Add to Compare. So I was shooting my AR last week, and it was functioning fine. 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 . I had a loose primer get into the cam slot once. Perhaps a tad catawampus or debris. 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. Was the bolt stuck with a round in the chamber? 2. You could also look at the forward assist. In Stock. Carrier Style: Standard. 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. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. I do, however, keep the barrel extension and chamber relatively clean. So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. I was at the range today and had a FTE. 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! Quote. But be careful with that muzzle. Reactions: ken4570tc in WY. The charging handle moves back and forth easily now. 99 Save up to 20% when you buy more Buy It Now Top Rated Plus. My AR's are wet inside. The charging handle would not pull back to eject the live round in the chamber. Insert the firing retainer pin (aka cotter pin). Get rid of them. The bolt carrier group is also a part of the upper receiver to an AR-15. You are correct sir! $162.54. It is not stuck in battery. CMMG and Rock River Arms also offer 9MM AR specific bolt catches. Add to Cart. Because it's a nickel boron bcg, I was hoping this would be the magic solution that prevented me from having to lube anything. 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 took out the XPB BCG and put my original BCG back in and it runs smooth after that. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. Perfect for your next .308/.243/6.5 Creedmoor Rear Charging AR-10 build. Once again look at the chart below and compare the Colt and RRA buffers to the other manufacturers listed. Taking the lower off didn't change a thing, so the problem is definitely limited to the upper. Try this-put it back together. Out of stock. 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? Does the BCG move freely into the upper without the lower? Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . View Details F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG) - TTZ Gold . Not really a good habbit to be sticking stuff in there from the muzzle, but I'd make an exception. 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. Also it caused other issues, like the bolt over-running the bolt catch on the last round. I bought one with a nickel boron bcg thinking that I wouldn't run into too many issues with cleaning, dirty loads, etc. Shop for Rifle Bolts & Bolt Carrier Groups at Brownells! How did you install the barrel? If your pretty sure you have a live round in there, I'd take it to he Armorer. Odin Works AR-15 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group Usually Ships in 24 Hours MSRP: $149.00 . The bolt carrier group controls all functions of the AR15 - chambering, firing, and extracting spent rounds. I have a BCM carrier with old FN bolt that I treat about the same and it runs well without much lube. At most, I shot three three-shot groups in two minutes. Just bought a AR15 carbine on sunday. Shop KAK AR-15 Lower Parts Kit | 10% Off 4. Do this a couple times and it should free your BCG up. You want reliable function, be reliable and clean it after you shoot it and keep it in top working condition. Before you do any removing of anything, or hacksawing please do the following. Absolutely. ARFCOM is full of answers, mine is just one consideration. Wanted to share my fallout vault door. Check the charging handle / channel, bcg / chamber if anything goofy. Can you see the bolt carrier through the mag well? The gas key is staked on both sides of both bolts. Anyway shot it Monday ran 60 rounds through it no problem. When firing the bolt will get stuck in the chamber, in order to eject the casing I will have to grab the charging handle and bump the buttstock to dislodge it . Is it ok to tap on the charging handle with a rubber mallet? Its an Anderson Lower, Pre-assembled anderson upper, rear take down goes in like normal, and the BCG does go freely into the upper. 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. Clean the barrel nut lugs. 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! Drop the firing pin in the opposite end of the bolt carrier, then press it down to ensure it seals properly. Did I totally screw it up? 276-BCG15 | Bear Creek Arsenal. BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP (5.0) $167.99. 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. Sale. I tried using the forward assist to seat it. 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 . Look for the shiny spots in the upper caused by the bolt carrier. Turn the Bolt, aligning the larger opening with the Bolt Carrier opening just below the Carrier Key. Any suggestions? From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Copyright 1996-2023 AR15.COM LLC. If you have a standard stock, you can remove the upper buttplate screw and insert a small rod and tap the carrier forward. Press question mark to learn the rest of the keyboard shortcuts. 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. Is it difficult to push the rear takedown pin in? This should be enough thrust of inertia to get the bolt carrier assembly to come forward. Resetting the hammer in the lower receiver. Rating: 97% Regular Price $139.99 Special Price $99.99 $79. Something wedged in there is your culprit and knowing what gives you an idea of what you are up against. The AR-15 bolt carrier group, or BCG, is a critical and often misunderstood piece of the AR-15/M16 upper receiver. One new winner* is announced every week! Should I try freeing it up myself, or take it to an armorer? Take off the stock, loosen the castle nut, and unscrew the buffer tube. I do not run "wet" and rarely clean with less than 500 rounds fired since the last clean/lube. This is not a break in issue. 1. 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. I run 'em wet (not stupid wet) anyhow. Realized it when trying to join upper and lower receiver. I had a blown primer do the same thing to mine. The easy way to do this is to get on your knees, lay the stock flat against the floor, make sure the stock is fully retracted, grab the charging handle with one hand, and the forend with the other. 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. I put another fifty rounds or so through the gun. Take the advice from everybody that posted. Disassemble and clean/lube the sharps BCG. . The Blackout, dimensionally, is identical (for all intents and purposes) to the .300 Whisper, developed by J.D. Stuck with this junk unless I can convince Faxon to fix it. Thanks for the replies. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Thanks so much for your helpful reply. 227-GTBCG | Guntec. Stupid failure on my part, although I don't know that it would have changed anything. 26 items . It will chamber a round alright, but takes a great amount of force to pull it back manually. Yup, do the nosedive, either that or get a hacksaw.sounds like you might have gotten a pebble or something in there or possibly a dent in the buffer tubeor, maybe the little detent that keeps the buffer spring and buffer in the tube popped up somehow. In my opinion this is less than ideal. Chambers a new cartridge. 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. 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. Well, after numerous attempts with a padded dowel, vice and hammer, ive had no luck. I was function checking the movement of the bolt and thats when i ran into the problem. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. Does the round at all look deformed? It houses your firing pin and extractor, which are the key components that make your firearm fire and cycle correctly. Took a few whacks. The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. All Rights Reserved. That would meen that chamber has never seen a steel case . The Lower Parts Kit for AM-15 includes the following: Bolt Catch . COMPANY. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. I would start by replacing that bolt/carrier. The bolt carrier group is responsible for the following 4 critical steps. . Take off the stock, loosen the castle nut, and unscrew the buffer tube. Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. If the BCG is that far back it shouldn't be too hung up. 158; HP/MPI Inspected bolt /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. The bolt carrier is sticking out of the back of the upper receiver about 1/4". Stuck Bolt Carrier Group. Soaking wet. 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. . Have you pushed the front take-down pin out also? SALE PRICE: $137.75. Then point the muzzle straight up and rap the butt sharply on the ground. Now press the forward assist to make sure the bolt is locked up. If the upper had been used/fired before and they used steel cased ammo . That's really dirty. Did you run polymer coated ammo by any chance? and responded with an answer, because my bolt (well entire carrier really) did in fact get stuck in the open position due to the . Ejects the spent cartridge after firing. I bashed the forward assist, but bolt is seized hard. November 14, 2010 in The Beginners AR15 Armory. There might still be a problem with the problem rifle's lower receiver extension (a.k.a. Bet-your-life dependability is a non-negotiable prerequisite. Out of stock. If you do that, remve the end plate slowly so the spring and detent for the take down pin doesn't come flying out. Regular Price $169.99 Special Price $89.99. 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. Installed the safe door with 4 guys lifting it up as it weighs 500 pounds. Check JP Enterprise but I'm thinking colt bcg have a proprietary cut to them?? $124.95 On sale: $114.95 Back Order. Instagram Facebook-f Youtube. Or did you ever take the BCG apart? The BCG moves freely already. Best AR-15 BCGs. 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. [ARCHIVED THREAD] - Bolt carrier stuck in buffer tube. Usually they are older rifles and have probably seen more abuse than yours. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. Take the gun back to the builder and see what he/she says about 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. The BCG is stuck pretty far back in the buffer tube. 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. The magazine is out. . Specs: Mil-spec Carpenter No. Just get one of the Brownells 308AR Bolt Carrier Groups, if you're stuck. We carry Aero Precision, Toolcraft, Fail Zero and Spike's Tactical BCGs with Nickel Boron, Black Nitride, Ionbond DLC, Chrome/Magnesium Phosphate and Titanium Nitride-Gold finishes with M16 . Well, when I had it apart earlier the buffer spring was staying in the buffer tube. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Redirects gas produced from firing to perform other functions. Or am I stuck with replacing the entire BCG to get an M16 bolt carrier? $290.99 On sale: $228.95 In Stock. Method 1: Change Your Buffer Spring. Here is a video on how to do it. Suggestions? 1. Well it sounds like the bolt is not wanting to rotate and unlock from the chamber. Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do.