Barrels
Proof Research: 6 CM, Stainless Steel AR Barrel, 4 Groove, 1 - 7.5 Twist, 22"
$649.00
Proof Research
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Accuracy International: AXMC .308 Caliber Change Kit with Proof 18.5" Barrel
$1,400.00Accuracy International
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Proof Research: .223 Wylde, Stainless Steel, AR Barrel, 4 Groove, 1 - 7 Twist, 20"
$649.00Proof Research
