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Posted: 1/9/2014 6:21:56 PM EDT
| I have been building up my first AR15 over the last year or so and I am looking to upgrade the BCG. I have heard good things about the Bravo Company BCG but would also like input on any other brands out there this community is using. Thanks... |
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WMD NiB-X Nickel Boron Full Auto Bolt Carrier Group
Click On The Pic for Complete Details 
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| I am looking for something with a smoother cycle rate. Nothing is wrong with the standard BCG that I have now, I am not sure who makes it as it came with the RGUNS upper kit I purchased. A friend of mine has the Crome lined BCG from Bravo Company and I can really tell the difference in the cycle smoothness. Either way just looking for some input, I don't want to go crazy on a really expensive comp BCG but just something a little smoother than I have now. |
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Quoted:
I am looking for something with a smoother cycle rate. Nothing is wrong with the standard BCG that I have now, I am not sure who makes it as it came with the RGUNS upper kit I purchased. A friend of mine has the Crome lined BCG from Bravo Company and I can really tell the difference in the cycle smoothness. Either way just looking for some input, I don't want to go crazy on a really expensive comp BCG but just something a little smoother than I have now. What length gas system are you running? And your friend? What about buffers? |
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Quoted:
I am looking for something with a smoother cycle rate. Nothing is wrong with the standard BCG that I have now, I am not sure who makes it as it came with the RGUNS upper kit I purchased. A friend of mine has the Crome lined BCG from Bravo Company and I can really tell the difference in the cycle smoothness. Either way just looking for some input, I don't want to go crazy on a really expensive comp BCG but just something a little smoother than I have now. The RGuns should be chrome lined. It's not? Do you have some pics of it? We can likely ID it for you. The "cycle smoothness" you are feeling might just be your buddy's upper. Did you try his BCG in your upper? Hell, it might have just been oiled more, worn more, or he may have a smoother midlength set up, etc. There is a lot of smack about RGuns here, but I think the BCGs were okay for the most part. Take it apart and show us some pics. |
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BCM has great BCGs, but there are better buys out there.
Rainier BCG for $99. https://www.rainierarms.com/?page=shop/detail&product_id=3759 |
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BCM has great BCGs, but there are better buys out there. Rainier BCG for $99. https://www.rainierarms.com/?page=shop/detail&product_id=3759 The thing I like most about BCM, is that all their bolts are HP/MP tested. If you can be happy with batch tested bolts, yes there are some good deals out there. |
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I am going to guess it's not the BCG causing the smoothness you describe. Most likely it's the gas system length, or the buffer, or the upper itself. Most of the fun finishes like chrome, or nickel only make cleaning easier. ^ This. It's not just the BCG but rather the tuned system as a whole. I run a couple Spike's FA BCGs in my ARs and they don't feel the same because the BCG is the same. One is in a 14.5" Mid Length with a Muzzle Brake and ST-T2 buffer. The other is in a standard 16" carbine with mil-spec spring, buffer and flash hider. Guess which punches like a jack rabbit and which is smooth as butta'. |
| If you look Fail Zero offers the same NiB coating on theirs as the WMDs. Whatever you do DO NOT get Fail Zero, go with the WMD or Ranier's NiB BCGs. Buddy ordered one from Fail Zero March last year. Yes, panic time, finally gets the thing in June, puts 20 rounds through the rifle, and it starts eating gas rings. After the 3rd set of ripped up rings he starts calling, emailing, calling more, emailing more, then tracks down the person that took the order in the first place, and LAST WEEK finally got a replacement BCG. Their idea of customer service is to ignore you until you've bothered everyone in the company, and FINALLY about 2 weeks ago gets a call back from the owner who sends out a mailing label. Just horrible. After a mere 10 months he finally has an operational rifle. |
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I've personally never seen a bolt carrier that wasn't chrome lined. How many rounds do you have through your rifle? The gas rings have to get broke in, and a lot of the roughness in the BCG will go away.
It doesn't hurt to put 2, or 3 drops of CLP in the holes in the side of the BCG with the gas rings lined up with them before you shoot. This will help break in the rings. It doesn't take much CLP, either. Just a couple drops. After 200, or so rounds the rings should be broken in. If they are still rough, then shoot 100 more. If it's still rough after that the bolt carrier is probably at fault. As already stated, the gas system itself is going to play a huge role also. |
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Young MFG National Match Chrome BCG works great for me. Young is probably the best BCG on the market as the upper receiver will wear out before the BCG. But Realistically DD, BCM, or Rainier are going to last a lifetime. Seriously. your looking at over $10k in ammo before they might start to fall apart and Tom Heisly swears by BCM for over 50k rounds. |
| After putting 250 rounds down range yesterday I broke down the BCG and noticed it is chrome lined, I guess I haven't noticed it before. Did a thorough cleaning and oiled the gas rings so that should help as I never oiled the rings before. The cycle isn't that rough but I feel it could be smoother. I did oil the system a little more than usual after cleaning so I will see if that helps next weekend. The RGUNS upper isn't really bad (minus the 3 month wait on shipping), it doesn't mount to my RRA lower as tight as some other AR's I have checked out but all in all it's pretty nice for my first. I will see after next weekend if I just needed to add more oil. I am running a mid-length gas system at about 8.5". |
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I have and use the following BCG's
BCM Colt JP Low Mass Spikes Young's NM I also bought the ARFCOM I-obond, I think it was. Black Friday deal. Have not used it yet. I have used all of the others. Favorites, in terms of quality, JP, and Young's MY opinion 
But in all fairness I have The 2 rifles that have had the most rounds through them over many years. One has a Colt, and the other has a BCM, BCG. Both just bone stock 6920 type Colt carbines. Not counting Hand guard's A1's there So there? 
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| You will not notice the difference. Try and shoot yours until it breaks then buy a new one. Don't get me wrong when I build new sticks I buy quality parts in the beginning. But I also have cheaper complete guns that Ive purchased with cheaper semi auto carriers and they work great. If it isnt broke dont fix it kind of thing. Just my .02 |
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If the rifle is over gassed and has a commercial carrier a full profile carrier will smooth it out some, but the same can be done with a HD action spring or heavier buffers.
I went with a full profile carrier when an H3 buffer wasn't enough on my build. As far as fancy external coatings, after a few hundred rounds a standard carrier will feel just as smooth...it just won't look as pretty. 
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The thing I like most about BCM, is that all their bolts are HP/MP tested. If you can be happy with batch tested bolts, yes there are some good deals out there. Quoted:
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BCM has great BCGs, but there are better buys out there. Rainier BCG for $99. https://www.rainierarms.com/?page=shop/detail&product_id=3759 The thing I like most about BCM, is that all their bolts are HP/MP tested. If you can be happy with batch tested bolts, yes there are some good deals out there. So buy the one one aim has for 80.....everything the rainier and bcm has but cheaper |
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Post #2 nailed it. If your looking for a smooth cycling other mods would probably be more effective; Vltor A5 and mid length gas system for example. I have this setup, BCM 16" mid-length upper and Vltor A5 (rifle buffer and spring with a collapsible stock...it uses a little bit longer buffer tube...) I usually clean it after every shooting session run my guns a little wet and it is about as smooth as it gets in my opinion. I have taken this gun to a carbine class and a 3 day defensive pistol, carbine, shotgun class. I have also shot it in a couple of local matches so now it has a "few" rounds through it. I don't know if the parts really smooth in or if the gun is just growing on me bit I can shoot it well and everyone who shoots it says I got it right.. Now that it is all broken in I will switch it over to Frog lube Fireclean like my other guns .... just my opinion. FWIW, a nice trigger "smoothed in" never hurts either....but that is another topic. |
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