Home AR-15 Colt Replacement Barrel Assembly Heavy Barrel SP65054

Colt Replacement Barrel Assembly Heavy Barrel SP65054

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In this video we look at a 5.56mm, 1/7 rifling, 14.5 inch Colt Replacement Barrel Assembly Heavy Barrel. This was recently purchased from Arms Unlimited to be used as a reference piece in my collection.

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9 COMMENTS

  1. The Colt 6721 HB had a 16ich barrel with a 1/9 twist and had no grenade cuts. The barrel you have right there is a socom barrel.. I find these heavy barrels to be extremely accurate.

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