SI Defense Barrel AR-15 223 Remington (Wylde) 20" HBAR Contour 1 in 8" Twist Stainless Steel

Product #: 855132 SI Defense #: SI AR-15-B-HBAR-556-20-SS
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  • Information
SI Defense barrels come ready to go with the barrel extension already installed. The SI Defense 20" HBAR Contour Barrel is made from 416 Stainless Steel and button rifled with a 1 in 8" twist to reliably stabilize heavy match bullets and the barrel also features a 223 Wylde chamber for enhanced feeding reliability. Muzzle threads are standard 1/2"-28 thread pitch and barrel has the extension already installed. The SI Defense HBAR Contour barrel drops to a standard .750" at the gas block which allows for a great variety of gas block styles to choose from. All SI Defense components are proudly made in the USA.
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