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. It's nice to know whether or not it's live, even though it is going to be treated like it is anyways. Hey All, New to the AK world so please excuse the lack of knowledge. PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group . 4 (100%) "Mortar" it. If your bolt is stuck and you've shot more than 1000 rounds, the culprit might be your buffer spring. 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 . 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. K. ken4570tc in WY Gunny Sergeant. So there's a direct relationship between the buffer and the bolt. 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. Stuck with this junk unless I can convince Faxon to fix it. 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. [ARCHIVED THREAD] - Bolt carrier stuck in buffer tube. View Details F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG) - TTZ Gold . Do a function check. The gas key is staked on both sides of both bolts. but i thought i would post this as a detailed guide. Picture of chamber and bolt face would help. The BCG moves freely already. 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. The quickest way to find problems with a weapon is to simply shoot it and shoot it a lot. 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. My rifles get some smoothing prior to shooting. Grabbing onto a new round from the magazine and chambering it. I dabbed a tiny bit of clp around the bolt, inside the carrier, where the rings are. Try this-put it back together. Wanted to share my fallout vault door. Take off the stock, loosen the castle nut, and unscrew the buffer tube. Here I will give a brief breakdown of the BCG's components, how it works, problems to look for and what to consider when buying. 9mm Nitride Hybrid Bolt Carrier Group for Glock & Colt AR15 mags $ 224.89 $ 119.00-20% Out of stock. Also it caused other issues, like the bolt over-running the bolt catch on the last round. Press J to jump to the feed. (with a live round in the chamberLOL. If all is well, I'd remove bcg 3-4 times, reinsert, etc. I know it seems a bit harsh, but it works, it's what the military has been doing for years. Unity Tactical Modlite ModButton Lite - Surefire/Modlite . You could try to remove the buffer tube. Could be a combination of tight tolerances and baked on carbon. Resetting the hammer in the lower receiver. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. *Must have a registered ARFCOM account to win. It might not be square. See if there's any damage to the 45 degree relief cuts. !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. aren't particularly expensive and are generally between $50 and $100 for a complete LPK inclusive of fire control . The magazine is out. The Whisper was first based on the little .221 Fireball cartridge cas. Reason One - A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. My AR's are wet inside. This is odd. thanks for your reply. You have significant carrier movement prior to any unlocking/bolt rotation. Rating: 97% Regular Price $139.99 Special Price $99.99 $79. TFB Review: Sharps Xtreme Performance Bolt Carrier Group. Up to this point in time, I've not had any problems achieving this with common milspec BCG parts. How did you install the barrel? I believe my recoil spring is binding inside the bold carrier when I pull the charging handle all the way to the rear. Use a Flathead screwdriver in the middle of the circular cut out on the Handle and give it a tunk. By LANTAC E-BCG Nickel Boron Enhanced Bolt Carrier Group EBCG (2) Sale. Quote. I have yet to introduce this rifle to more rapid sequences of fire. Flat Dark Earth m16 FDE pvd ar15 bolt carrier group BCG $ 248.80 $ 199.80-43%. Usually they are older rifles and have probably seen more abuse than yours. 3. I have to tap it on the ground to get the buffer spring to push the . Y en este artculo te lo ensearemos a cmo hacerlo. Maybe there is/was a bur in the barrel at the gas port . According to my brother, our Vietnam veteran, "mortaring" was unofficially adopted during fire fights when someone was shooting at you and your life was on the line. Free Account glitch cars Please share with your friends . Take it apart and clean it real good then oil it back up and cycle it several times. Lo and behold, I loaded my first mag with three rounds to zero the gun in and, "click." Failure to fire. 227-GTBCG | Guntec. Last edited by Redbeardsong; 01-14-14 at 22:53 . 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. I pretty much run a magazine, wet th bcg, wet, etc for a couple hundred rounds. 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. Return the BCGs to their original rifle and swap the charging handles. Any use of this content without express written consent is prohibited. 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? Take a pic of the rear of the bolt lugs. 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. 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? 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. Only problem is now the bolt carrier is stuck back all the way and won't go forward. Bolt Finish: Parkerized. I read the title (What can cause a bolt to get stuck?) Two Reasons a 9MM AR Bolt Catch Breaks. You can also check: Best Budget AR 10 Barrels. Got it. I would just take off the castle nut and unscrew the buffer if nothing else. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 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. The charging handle would not pull back to eject the live round in the chamber. As others stated, give it a good cleaning and lube well to include lugs and barrel extension. As far as I know this only applies to 9MM AR rifles, SBRs, carbines and pistols who use a 9MM specific AR bolt catch. #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! 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. When you took it apart, was the buffer spring staying in the buffer? Choose wisely with AT3 Tactical. most likely the cheap amazon prime sights thats killing your gun. View Details Aero Precision AR-15 PRO Series Bolt Carrier Group (BCG) - Black Nitride . You could also look at the forward assist. Odin Works AR-15 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group Usually Ships in 24 Hours MSRP: $149.00 . When i work the bolt via the charging handle, the bolt will get stuck in the buffer tube. 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. All AR-15 platform rifles have a Bolt Carrier that disassembles the same way.AR-15 Tools \u0026 Cleaning kits: https://amzn.to/3rzvOQdLearn to quickly and easily break down the bolt carrier and remove the extractor for cleaning.Firearms Legal Protection available for as little as $9.95/mo! stock trigger has a heavy pull and even heavier . 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. Keeping the gun pointed in a safe direction-preferably muzzle up, hold the gun by the handguard and the charging handle. Add to Wish List Add to Compare. The bolt carrier group is complete; before continuing lightly apply your oil/lube across the entire BCG but especially the contact . Expand. 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. The bcg should come right back. I am beyond OP's return dates. The bolt carrier is sticking out of the back of the upper receiver about 1/4". It'll likely serve you well afterwards. 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. Gun looks really dirty and dry as a popcorn fart to me, clean and lube it. . 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. 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. Failure to Feed, Chamber or lock (Click image to view larger image) Probable Causes. 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. "Rack" pull the charging handle of your AR-15 back swiftly with ample force and release it . Perfect for your next .308/.243/6.5 Creedmoor Rear Charging AR-10 build. 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. Press question mark to learn the rest of the keyboard shortcuts. Immediate Action: " Tap, Rack, and Reassess ". 9MM AR Broken Bolt Stop | 9MM AR Broken Bolt Catch. No wonder it is locking up. I was at the range today and had a FTE. 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. 16" 5.56 / .223 1x7 GOVERNMENT 4150 CrMoV MELONITE NITRIDE BARREL - MID-LENGTH GAS. I do not run "wet" and rarely clean with less than 500 rounds fired since the last clean/lube. $162.54. Full . Rating: 93%. Bolt Material: 9310 Steel Carrier Finish: Black Nitride /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. Or am I stuck with replacing the entire BCG to get an M16 bolt carrier? The charging handle moves back and forth easily now. Prime Premium AR15 Charging Handle $ 29.95 $ 19.95 SALE. M16 Diamond (DLC) Bolt Carrier Group Out of stock SALE. You might not have noticed. What you are going to have to do is "mortar" it. In your post i noticed you said you pulled the barrel and someone else pulled the charging handle. check out the. $ 73.99 - $ 75.99. Well it sounds like the bolt is not wanting to rotate and unlock from the chamber. 56 Bolt Carrier Group 158 Carpenter SP/HPT/MPI | Sons Of Liberty Gun Works BCG. CONFIRM CANCEL. Copyright 1996-2023 AR15.COM LLC. Toggle menu. But somehow I failed to notice the buildup on the backside of the bolt. Like really difficult? The Lower Parts Kit for AM-15 includes the following: Bolt Catch . The bolt carrier group is responsible for the following 4 critical steps. This energy and velocity combined with the over travel condition of the bolt cause premature failure of the 9MM AR Bolt Catch. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. Was in a hurry putting my MPX back together after cleaning and put the bolt carrier group into the upper receiver backwards. BCG stuck No, when the BCG moves rearward, the bolt is held by the receiver extension. 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. I tried using the forward assist to seat it. You got to lube these rifles . Does the round at all look deformed? 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. 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 use mid range reloads so I couldn't figure why it would be jammed.. I run 'em wet (not stupid wet) anyhow. 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. 1. mortaring your rifle fixes this type 4 malfunction that occurs in the AR15 weapon platform. So I tried to lube it up but its still very rough and feels like there is a lot of friction going on. B2-K630-A001-0P. Let me ask you a question. You can leave almost the entire thing dry, as most of it doesn't touch anything. There might still be a problem with the problem rifle's lower receiver extension (a.k.a. I can take out the pins and the upper an lower come apart a bit, but I can't completely remove them. 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. If you have another BCG I'd try it. On select areas, especially during warm weather, I prefer grease though if in a sandy environment I'd stick with oil. Don't think so. I know, dumb as he.. and not paying attention. It is stuck! Keep reading below. 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 . Perhaps it's the zoomed pic but that bcg looks like crap. Thanks so much for your helpful reply. An awesome AR-15 needs a great bolt carrier group (BCG). So far the drum stuff hasnt been that bad, course having Mike around to post updates & videos helped a ton. It was stuck HARD. 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. That bolt is encrusted and the chamber is filthy. In my opinion this is less than ideal. $249.00 On sale: $217.95 In Stock. ? Take the gun back to the builder and see what he/she says about the problem. 26 items . Disassembly of my Sig p320 compact. Was the bolt stuck with a round in the chamber? The purpose of this page is to aid you with 9MM AR troubleshooting. May 7, 2017. Otherwise it was three short groups with three to five minutes in between. Solution Part One The Colt 9mm buffer is 3.300 long. While pulling the charging handle, drive the buttstock into the ground being careful not to bend the charging handle. Add to Wish List Add to Compare. Stupid failure on my part, although I don't know that it would have changed anything. The bolt seats very early in the cycle. 20 BA 6ARC barrel, 16 SLR Handguard (mlok), Odin Works 6ARC BCG, TriggerTech AR-15 Trigger. BCA M16 Cut 5. 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. Press J to jump to the feed. Can't say I'm in favor of "mortaring" the rifle. In Stock. Pushed on it and heard it click. The rifle shot fine, although I'm not so sure about myself. BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP (5.0) $167.99. I do, however, keep the barrel extension and chamber relatively clean. The image below gives a nice breakdown of the parts in a typical BCG. Any way you could get a screwdiver in there and move it forward. The bolt carrier group controls all functions of the AR15 - chambering, firing, and extracting spent rounds. The 9MM AR platform requires some specialized rifle parts to function reliably and prolong longevity of the hardware. October 22, 2019 2:57 am Reply Gary. It is surprising sometimes how stiff a new BCG can be. If the BCG is that far back it shouldn't be too hung up. Then point the muzzle straight up and rap the butt sharply on the ground. Packaged Bolt Carrier Group Assembly w/ Logo . Can you see the bolt carrier through the mag well? I didn't have any issues with the bolt/bullet sticking and didn't have to practice my mortaring technique. Not really a good habbit to be sticking stuff in there from the muzzle, but I'd make an exception. S197 Gunny Sergeant Full Member Minuteman . This full auto carrier is heat treated and precision machined. PSA has some great deals on their Premium blem's all of the time and I have a lot of them and have never had any problems with any of them. SALE PRICE: $137.75. Pull the Bolt back to extend it and turn the Cam Pin 90 degrees. AR-308 Accuracy problems. See if they are willing to fix it to make it right (don't know if he guarantees his work). BCA AR-15 Bolt Carrier Group Black Nitride. 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. Me being relatively new to the AK, but not new to disassembly/reassembly of mechanical things, I can tell you don't force anything. Anyway shot it Monday ran 60 rounds through it no problem. Out of stock. This should be enough thrust of inertia to get the bolt carrier assembly to come forward. 7.62 x 39mm Caliber Bolt Assembly Nitride $ 99.95 $ 69.95 SALE. I did it last weekend. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Press question mark to learn the rest of the keyboard shortcuts. The two bolts Sharps supplied were in DLC (Black) and NiB-X Silver coating and boast the following manufacturer specs. Unfortunately it will take several weeks to have corrected. Sale Price: $139.95 . COMPANY. I was function checking the movement of the bolt and thats when i ran into the problem. 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! , the company's American branch. Insert the firing retainer pin (aka cotter pin). Check out our deals on our bolt carrier groups to complete an AR upper or to find a spare part. But the bolt carrier is all the way back. 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. I had a broken decapping pin from a reloading die end up in my chamber once. Thanks for the replies. If you have any experience to offer send us a message. A call to armalite confirmed this. 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.". Aero Precision 6.5 Grendel/6mm ARC Bolt Carrier Group, Complete - Black Nitride AR15/M16 Full Auto BCG. Batch MPI and HPT tested. AT3 AR-15 Bolt Carrier Group - 5.56 NATO/.300 Blackout - Nickel Boron. 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. Those pictures don't help. Toolcraft Black Nitride .224 Valkyrie/6.8 SPC Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 . 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. What you are going to have to do is "mortar" it. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. We offer bolt carrier groups for various AR-15 builds. You might want to pick up a cheap DS arms BCG just to have on hand. 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. Turn the Bolt, aligning the larger opening with the Bolt Carrier opening just below the Carrier Key. I use mostly Mobil 1 though about anything is better than nothing. It cleared fine. bolt carrier group could lack enough force (generated by the expansion of the action spring) to feed, chamber, or lock the bolt . The BCG will get stuck half way through the buffer tube and sometimes all the way in the buffer tube. Took a few whacks. It sort of worked. Does a normal at carrier work good in it. Next. It's a solid bolt carrier group, with a few upgrades over a true mil-spec bolt carrier group. Obviously, if the fit is too tight for the "problem" BCG to work in the "problem" rifle, it might get stuck in the buffer tube. !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!! usmc to&e website; who makes solgw barrels. I removed the casing and re-assembled. The general consensus is brute force. Are you sure it's the bolt binding, and it's not bound on the gas tube? It is not stuck in battery. Page. Put your pins back in and smack the buttstock on the ground. I did the mortar maneuver. The round (unfired) would eject but the bolt would not seat. Don't know if that's what was needed or not, but as I said, it worked fine yesterday. Here is a video on how to do it. 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. Also, there are springs and pins that work with the . Sale. Do this a couple times and it should free your BCG up. Carrier Style: Standard. Gas tube alignment could be the culprit. TLDR: Your rifles are fine. Pros: Looks great; Cons: Out of tolerance/no QA; Best Used for: Door . Try the Mortar thunk first, I forgot about that. I can pull the entire bolt carrier group back into the tube but it will seize. Best AR-15 BCGs. 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. November 14, 2010 in The Beginners AR15 Armory. One new winner* is announced every week! Its an Anderson Lower, Pre-assembled anderson upper, rear take down goes in like normal, and the BCG does go freely into the upper. Look for the shiny spots in the upper caused by the bolt carrier. 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. 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. Your first round will go bang but on ejecting, the casing won't be able to eject. JoeBob dun saved you $10.00! Now the bolt/carrier is sticking like crazy. http://www.bushmaster.com/anatomy_bushmaster.asp. About Women's Health Newsletter Customer Care Advertise Media Kit Other Hearst Subscriptions Subscribe Give a Gift. For a better experience, please enable JavaScript in your browser before proceeding. (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! Reason One A 9MM AR Bolt is shorter than a milspec AR-15 Bolt Carrier Group. Suggestions? MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT - BLACK. $290.99 On sale: $228.95 In Stock. 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 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. Been playing this a lot with my teenage son, and having a blast. This is not a break in issue. If the upper had been used/fired before and they used steel cased ammo . 406-304-8183 Login or Sign Up; 0. There is a couple reasons for this common issue of a broken bolt stop, broken bolt catch with the 9MM AR platform. The AR-15 bolt carrier group contains vital components for proper functioning of your firearm. Well, after numerous attempts with a padded dowel, vice and hammer, ive had no luck. Regular Price $169.99 Special Price $89.99. The carrier then moves forward creating a double feed and jamming said casing into the outside edge of the feed ramp (I think?). Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. *Must have a registered ARFCOM account to win. 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.