Proof Research AR-Style Barrel

Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber

Proof Research AR-15 Barrel 6mm ARC 16" Medium Contour 1:7.5" Twist Carbon Fiber

Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless

Proof Research AR-10 Barrel 308 Winchester 16" Heavy Contour 1:10" Twist

Proof Research AR-10 Barrel 308 Winchester 18" Heavy Contour 1:10" Twist

Proof Research AR-15 Barrel 6mm ARC 18" Medium Contour 1:7.5" Twist Carbon Fiber

Proof Research AR-Type Barrel 11.50" for AR-Style, Stainless - 100387

Proof Research AR-15 Barrel 6mm ARC 20" Heavy Contour 1:7.5" Twist Stainless

Proof Research AR-Style Barrel Carbon 223Wylde 16in 8 Twist 4 Groove 1/2-28 Thread Gas Length Intermediate

Proof Research AR-Style Barrel Carbon 204 Ruger 20in 10 Twist 5 Groove 1/2-28 Thread Gas Length Rifle

AR-Style Rifle - Proof Research 16" Stainless Barrel - Precision and Performance Redefined - 101582

Proof Research AR-Type Barrel 20" for AR-Style, Stainless - 100462