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Posted: 8/29/2011 10:33:52 PM EDT
[#1]
 Colt of course on both.
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Posted: 8/29/2011 11:51:47 PM EDT
[#2]
Quoted:
Colt of course on both.I had to check, just to make sure someone said this. |
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Posted: 8/30/2011 1:11:10 AM EDT
[#3]
Colt parts will do just fine.
Just make sure you lube up your replacement bolt and firing pin before you put them in the Magpul MOE grip, because they're probably going to be in there for a long, long time. |
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Posted: 8/30/2011 3:32:03 AM EDT
[#4]
Colt, FN, BCM, Spike's, or Armalite bolts will all be good replacements...but if you can grab a Colt, go for it. Sounds like you have a nice stack of rifles.
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Posted: 8/30/2011 4:00:41 AM EDT
[#5]
Thoughts on PSA bolts? They have a combo deal with the grip core and bolt
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Posted: 8/30/2011 4:55:03 AM EDT
[#6]
I think the PSA bolts are mil-spec..HP and MP tested, go for it.
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Posted: 8/30/2011 5:03:03 AM EDT
[#7]
Quoted:
I have the Magpul MOE grip that has the spot for an extra firing pin and bolt. I have a colt 6921, 6920, and 6933. Are bolts universal? Will one bolt fit all ar's? Is BCM better than the factory colt bolt? This is one of my SHTF rifles so I want the spare bolt and firing pin to be combat hard use grade. What firing pin should I throw in? I also have Colt models 6721 (X2), 6920, and MT6601 and I vote for Colt bolt, but other equivalent high quality brands that are high pressure tested (HPT) and magnetic particle inspected (MPI) like BCM, Daniel Defense, LMT, Rainier Arms ThunderBolt, Spike's, etc will also work. Colt bolts and complete bolt carrier groups are also now available directly from the Colt factory, for other small Colt parts check out Brownells. http://www.coltsmfg.com/ShopOnline/tabid/62/ProdID/305/CatID/35/Default.aspx |
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Posted: 8/30/2011 5:46:48 AM EDT
[#8]
I'm obsessive-compulsive, and I'd rather have the same brand as the rifle, otherwise it'd eat and eat at me.
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Posted: 8/30/2011 5:58:51 AM EDT
[#9]
Any mil-spec bolt that carries HPT and MPI specifications will do fine. If you can buy Colt, go for it.
You can buy them here: http://www.coltsmfg.com/ShopOnline/tabid/62/ProdID/305/CatID/35/Default.aspx I went with FN bolts as spares, only because another ARFCOM member was selling brand new units in the EE for a great price. |
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Posted: 8/30/2011 9:36:29 AM EDT
[#10]
I have been building & using ARs & M16s for about 41 years now. In all that time and 10's of thousands of rounds fired, I have never experienced a problem of any kind with the firing pin. Only once have I had a bolt break in half through the cam pin hole. That was on a really shot-out M231 FPW. My point is why waste your cash on parts you will most likely never use. Buy ammo instead.
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