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Posted: 7/3/2012 4:51:04 PM EDT
[#1]
Quoted:
A friend of mine said I should upgrade to the BCM Bolt Carrier Group. My questions are, is it necessary? Is it an upgrade compared the bcg I have now? (DPMS) Is it worth the $150? Are there better bcg's that I should look into? Any help or advice is appreciated. Nothing is wrong with my current bcg at this time. Just curious if it should be replaced or "upgraded" If you want to upgrade then go for it. Otherwise just run what you got till it breaks. I'd order a Palmetto FA BCG right now for $140 and free shipping. They were in stock about 10minutes ago. |
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Posted: 7/3/2012 4:51:19 PM EDT
[#2]
If it functioning and shows no signs of damage, no.
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Posted: 7/3/2012 4:52:31 PM EDT
[#3]
Thats what I was thinking. Wasnt sure if there was really an purpose in it.
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Posted: 7/3/2012 4:53:33 PM EDT
[#4]
Nothing wrong with the BCG you have. You can buy a bolt upgrade kit that comes with new springs and o-rings, and a new extractor that is hardened. That is a much cheaper route to go than replacing the entire BCG.
Keep your BCG well lubed with a good lubricant like Slip 2000 EWL. You will thank me later. |
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Posted: 7/3/2012 4:56:32 PM EDT
[#5]
Not for the upgrade but spare parts are necesary.If you dont have a spare bolt or even BCG id get one..at least the bolt.
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Posted: 7/3/2012 5:03:51 PM EDT
[#6]
Nothing wrong with. Having spares. But i wouldnt "upgrade" until mine broke.
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Posted: 7/3/2012 5:07:53 PM EDT
[#7]
i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid.
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Posted: 7/3/2012 5:15:45 PM EDT
[#8]
I've got a cheapo BCG that's non-MPI and non-HPT but I've put a good quantity of rounds through it now and it's held up.
Maybe when a good BCG goes on sale, I'll grab one for spare. It works and I trust it. Doesn't need fixing. |
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Posted: 7/3/2012 5:16:14 PM EDT
[#9]
I've got BCM's, LMT's, and even BCG's from Delton. I up graded the Delton's with the BCM extractor spring up grade.
I've not had any issues with any of them. I did stake my carrier bolts on the Delton's. Now if I'm buying for a new build, I go BCM or LMT. Dave N |
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Posted: 7/3/2012 5:55:45 PM EDT
[#10]
If staked properly keep running it or fix the staking. Google it if you are not sure what to look for. Can't hurt to have a back up in hand though.
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Posted: 7/3/2012 6:40:24 PM EDT
[#11]
There is nothing wrong with the BCG you already have.
Tell your buddy that Christmas is coming up....... hint. |
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Posted: 7/3/2012 6:41:44 PM EDT
[#12]
I bought a "spare" BCG... It became another rifle. So beware!
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Posted: 7/3/2012 9:16:00 PM EDT
[#13]
When it breaks you can replace it with something "better."
Posted Via AR15.Com Mobile |
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Posted: 7/3/2012 9:38:12 PM EDT
[#14]
Quoted:
I bought a "spare" BCG... It became another rifle. So beware! This..... Would more than likely be the outcome. I dont have a problem with that at all 
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Posted: 7/4/2012 5:30:41 AM EDT
[#15]
http://www.bravocompanyusa.com/BCM-SOPMOD-Bolt-Upgrade-Rebuild-Kit-p/bcm%20bolt%20upgrade%20kit.htm
I would run it and when it has alot of rounds through it or the extractor doesn't do it's job or the bolt doesn't pass the gas ring test, add this kit. |
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Posted: 7/4/2012 7:13:22 AM EDT
[#16]
Its an important part of the gun-I like Colt, BCM, and LMT-these are probably the best three out there-these are what I use.
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Posted: 7/4/2012 7:20:04 AM EDT
[#17]
Quoted: If it functioning and shows no signs of damage, no. +1 if you got doubts about it, go to the range and shoot 1k rounds within 3 hours, if it didn't break it is good to go. My "non milspec" bcg has 24k rounds through it and outside of normal wear, it is just fine  ETA "non milspec" = RRA enchanced bolt carrier and 2001 dated Bushmaster Bolt. The extractor & spring was changed at 9k and at 20k |
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Posted: 7/4/2012 9:01:59 AM EDT
[#18]
No.
No. Some will disagree. Another way to empty your pockets. No. Your decision. I like Young NM carriers. |
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Posted: 7/4/2012 12:05:59 PM EDT
[#19]
I say replace it and keep it as a spare. You need an extra BCG anyway.
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Posted: 7/4/2012 12:14:29 PM EDT
[#20]
Quoted:
I say replace it and keep it as a spare. You need an extra BCG anyway. yeah but bcg are not cheap eaither. i could get a set of flip troys or a nice tube style rail for the price of one. now if mine breaks im gonna have too buy one but until then im gonna run the one i got like hell |
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Posted: 7/4/2012 12:21:45 PM EDT
[#21]
The law of diminishing returns applies here. Your gun works now, right? A new bolt isn't going to make it do anything differently than what it already does. It might be better in some way, but it's pointless. You can throw $2k at your gun replacing parts with "better" parts and end up with a gun that functions exactly like the one you started with.
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Posted: 7/4/2012 1:09:14 PM EDT
[#22]
Quoted:
The law of diminishing returns applies here. Your gun works now, right? A new bolt isn't going to make it do anything differently than what it already does. It might be better in some way, but it's pointless. You can throw $2k at your gun replacing parts with "better" parts and end up with a gun that functions exactly like the one you started with. Exactly. If it is not broke do not try to fix it.. |
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Posted: 7/4/2012 2:35:12 PM EDT
[#23]
Yes, but only for the purposes of having a spare.
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Posted: 7/4/2012 4:20:47 PM EDT
[#24]
Quoted: i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid.  You can tell if the keys are staked by looking at them and stake them if necessary. That's the problem when people like your buddy listen to "subject matter experts" who are really ad men.
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Posted: 7/4/2012 4:34:21 PM EDT
[#25]
It is highly recommended to have a spare AR bolt, if you could afford a complete BCG it's better because if something goes wrong with the bolt in your gun, just remove the bad BCG and replace it with your spare BCG, no down time removing your bolt from your bolt carrier and replacing it with your spare.
I had very good long experience with good BCG from BCM, Colt, and LMT. Other good brands with good reviews with members are Daniel Defense, PSA, Rainier Arms/ Global Tactical Thunder Bolt, all of these I mentioned use mostly mil-spec materials, manufacturing process, and inspection, all have properly staked gas key screws. It's your own decision to use or not use the new bolt, either way always bring your spare when you go shooting, I always bring my spare BCG or at least my other spare AR. |
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Posted: 7/4/2012 4:57:27 PM EDT
[#26]
Run what ya got till it breaks.
If you happen to find a good deal on one or a special occasion comes up like a birthday or Christmas, get a spare bolt at least if not a whole bcg. I just now had to replace my extractor spring on my Stag +10k rounds later. While I was at it I ordered some spare springs, extractors, gas rings, and spare bolts for the same rifle and a couple others. Page ownage 
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Posted: 7/4/2012 7:21:03 PM EDT
[#27]
Keep what you have. You own it, it's paid for and it works. Nothing to debate really is there? Are you going to replace your car you have that runs great just because they have a new car at the lot that "works better?" No, you aren't... don't worry about things that don't matter. Spend that energy worrying about how to become a better shooter.
Now, as was said, if building or starting from scratch.. get a good BCG because it is a very important part of the rifle and one of the places failures do occur. In that cause, if you have Brand A that's excellent for $150, and brand B that is not at $100.. it's well worth the extra money for the good part. But it's not worth replacing a perfectly good, working part... not in my opinion anyway. As far as need a replacement on hand, I don't buy that either.. as my replacement is just another complete AR (or AK) that I switch to while I'm waiting on my new BCG to be shipped to me. No reason at this point to think AR parts will not be readily available. No need to stockpile parts. Stockpile complete guns, mags and ammo... order parts as needed. As long as parts are readily available that's my plan... |
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Posted: 7/4/2012 10:43:14 PM EDT
[#28]
Quoted:
Quoted:
i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid. You can tell if the keys are staked by looking at them and stake them if necessary. That's the problem when people like your buddy listen to "subject matter experts" who are really ad men.if RRA bcg are anything like there castle nuts there not going anywhere. i have checked the screws and they are tight. but instead of staking the screws couldnt you just take them out loc tite them and then put them back in the bcg? also if not what is the best size punch too use if i was gonna stake this bcg. |
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Posted: 7/5/2012 5:54:15 AM EDT
[#29]
Keeping a spare BCG is just dumb. Keep a a spare rifle. Any spare part that is worth more than $50 turns into a rifle very fast around here.
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Posted: 7/5/2012 6:08:57 AM EDT
[#30]
Might not be a bad idea to buy another bolt, but unless the gas key is not staked the carrier itself should be fine. I have had a few DPMS BCGs which worked fine, but others have had the bolt fail at a relatively low round count.
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Posted: 7/5/2012 6:14:51 AM EDT
[#31]
Quoted: Quoted: Quoted: i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid. You can tell if the keys are staked by looking at them and stake them if necessary. That's the problem when people like your buddy listen to "subject matter experts" who are really ad men.if RRA bcg are anything like there castle nuts there not going anywhere. i have checked the screws and they are tight. but instead of staking the screws couldnt you just take them out loc tite them and then put them back in the bcg? also if not what is the best size punch too use if i was gonna stake this bcg. I think young manufacturing may just loctite without staking, but staking is pretty easy. The bcg is subjected to temperatures that a castle nut isn't. |
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Posted: 7/5/2012 1:09:42 PM EDT
[#32]
Quoted:
Quoted:
Quoted:
Quoted:
i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid. You can tell if the keys are staked by looking at them and stake them if necessary. That's the problem when people like your buddy listen to "subject matter experts" who are really ad men.if RRA bcg are anything like there castle nuts there not going anywhere. i have checked the screws and they are tight. but instead of staking the screws couldnt you just take them out loc tite them and then put them back in the bcg? also if not what is the best size punch too use if i was gonna stake this bcg. I think young manufacturing may just loctite without staking, but staking is pretty easy. The bcg is subjected to temperatures that a castle nut isn't. oh i see well i will just stake it. shouldnt be a problem |
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Posted: 7/5/2012 1:20:10 PM EDT
[#33]
Quoted:
I bought a "spare" BCG... It became another rifle. So beware! Ain't that the truth!!!
GD |
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Posted: 7/5/2012 2:45:35 PM EDT
[#34]
Quoted:
Quoted:
Quoted:
i was gonna ask this same thing i got a RRA bcg that has been great. but my buddy said i should upgrade mine also too a bcm or colt cause the keys are staked better and milspec. i figured if its not broke dont fix it. and i only own 1 AR so i really dont need a extra unless something breaks on this one god forbid. You can tell if the keys are staked by looking at them and stake them if necessary. That's the problem when people like your buddy listen to "subject matter experts" who are really ad men.if RRA bcg are anything like there castle nuts there not going anywhere. i have checked the screws and they are tight. but instead of staking the screws couldnt you just take them out loc tite them and then put them back in the bcg? also if not what is the best size punch too use if i was gonna stake this bcg. I bought a BCM as a spare for my RRA. The only time it has been put to use was when... You guessed it... My gas key came loose. I restaked it and plan to run it until it breaks, but I'd definitely reccomend bringing a spare to the range so a gas key/extractor issue doesn't end a day of shooting. Having two bolts let's you get the gun back up and running while spare parts are on the way. |
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Posted: 7/5/2012 3:00:54 PM EDT
[#35]
A couple of years ago, I bought a BCM BCG for my AR. I intended to use it as a spare, but the BCM was so much better in fit, finish, operation and workmanship that I now use the original bolt as the spare and run the BCM as my main BCG.
No, strictly speaking, you don't need a new BCG if the one you have now is working. But I consider the money I spent on my BCM BCG to be damn well spent. |
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Posted: 7/5/2012 3:05:50 PM EDT
[#36]
Quoted:
A friend of mine said I should upgrade to the BCM Bolt Carrier Group. My questions are, is it necessary? Is it an upgrade compared the bcg I have now? (DPMS) Is it worth the $150? Are there better bcg's that I should look into? Any help or advice is appreciated. Nothing is wrong with my current bcg at this time. Just curious if it should be replaced or "upgraded" Never seen carriers fail unless its a kaboom or a key problem ON SD/HD/SHTF I like to have MP Bolts from Colt or LMT To save money you could run the DPMS carrier and swap to a MP Bolt Or you can just order a complete Colt/LMT BCG |
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