Proof Research AR15 22 ARC 20in Standard 1 7 Twist Barrel AR15

The Proof Research AR-15 22 ARC 20'' STANDARD 1-7 TWIST STAINLESS STEEL BARREL combines precision craftsmanship with practical versatility for shooters seeking a reliable, high-performance conversion option for AR-15 platforms, delivering a stainless steel 20-inch barrel with a standard contour and a 1-7 twist designed to stabilize the ADS_22 ARC cartridge for enhanced accuracy and consistent velocity. Built for AR-15 compatibility, this barrel features a durable stainless finish and a rifle+1 gas system configuration that supports smooth cycling and dependable operation under field and range conditions, while the 1-7 muzzle thread specification accommodates common accessories and components used in precision builds. The barrel's stainless steel construction ensures excellent resistance to heat and corrosion, making it an ideal choice for long-range practice, precision shooting, and varmint hunting where a dedicated long-barrel setup can offer improved ballistic performance and muzzle control. With Proof Research's renowned engineering and this 20-inch, 22 ARC stainless steel barrel, shooters can expect enhanced rigidity, repeatable accuracy, and a solid platform for custom AR-15 builds that demand high-quality, consistent performance in the field and on the range.