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Posted: 12/9/2003 7:53:05 AM EDT
I have a Bushmaster with a 16" chrome plated HBAR. Lately i've seen alot of ar's with the M4 contour barrel which, as far as I know is a light coutour barrel. I was always told that a heavy barrel is going to be more accurate than a light one. So why are these M4 style barrels so popular? Which are really more accurate?

Steve
Link Posted: 12/9/2003 9:21:45 AM EDT
The M4s are popular because they're a half-pound lighter than the HBAR. (And because of the "it's what the Army uses" cool factor.) They're approx. .63" instead of .9" under the handguards, which is a fair amount less metal. From the sight base forward they're the same except for the notch. The HBAR will probably hold onto its accuracy a little longer as it gets hot, but for slow fire at carbine distances I doubt you'd notice the difference.
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