PROOF Research Savage Small Shank 20" .223 Remington 1:8 Barrel

The PROOF Research® Savage® Small Shank 20" .223 Remington 1:8 Barrel is a lightweight barrel engineered to deliver match-grade accuracy. Choose stainless steel for long-lasting corrosion-resistance and extreme pressure resistance or choose lightweight carbon fiber for improved heat dissipation and unmatched durability for long-lasting field use. This barrel boasts an impressive 1:8 twist for superior accuracy and precision and features 1/2x28 muzzle threads for compatibility with your favorite muzzle devices like suppressors, muzzle breaks, and flash hiders. Plus, the standard straight tapered contoured design eliminates excess weight. Designed for small shank barrel nuts. Made in USA.

The factory "small shank" barrel nuts are 7/8" long. Barrel nuts measuring 5/8" long are a "large shank" and will not be compatible with PROOF Research barrels.