AR Sponsor
Posted: 10/26/2008 2:38:18 PM EDT
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Any real advantages/disadvantages (besides weight) to a lightweight upper over an M4 upper? Regards, B. |
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I built an M4gery for my second AR for the "cool factor." If I was doing it over again, I would go for the lightweight. Then only tradeoff is that the M4 barrel likes the same loads as my 20" stainless bull barrel. Both are well under MOA shooters with handloads. |
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Having both a M4 government profile barrel and a lightweight "pencil" barreled AR I'd have to say the lightweight barrel is noticeably lighter. Now for most shooting it won't matter but if you take training or actually patrol with said rifle the lighter weight might be appreciated. Accuracy wise they are both very accurate but the lightweight obviously heats up faster and can walk rounds because of it. I built a KISS rifle last year with a M4 profiled barrel and now I'm thinking about selling it and getting a lightweight barrel. |
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I'm going thru the same quandry myself and have settled on a RR Tactical Entry w/ the M4 heavy barrel. Asking some AR owners I was told lightweight barrels tend to recoil clockwise like a .45 with a conventional twist barrel. Sounds plausable. Anyway, I figured the noseheavy heavy barrel would make it more stable offhand. |
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Quoted: I'm going thru the same quandry myself and have settled on a RR Tactical Entry w/ the M4 heavy barrel. Asking some AR owners I was told lightweight barrels tend to recoil clockwise like a .45 with a conventional twist barrel. Sounds plausable. Anyway, I figured the noseheavy heavy barrel would make it more stable offhand. I had an Entry Tactical HBAR, and sold it. You'll regret not getting something lighter. I don't see the point of a heavy barrel on a 16" carbine. Lightweight carbines recoil just like an other 5.56mm carbine, which is to say, hardly at all. As far as barrel heating and cooling, lightweights heat up faster, but they also cool off faster. Chances are, either a lightweight or HBAR carbine will be capable of greater accuracy than the shooter, so it's really a moot point. |
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