AR-15

Proof Research

Proof Research 100431 AR-Style Barrel 223 Wylde 16" Midlength Gas System 1:7" Twist 4 Grooves, 1/2-28 tpi

Proof Research

Proof Research 100448 AR-Style Barrel 223 Wylde 18" Rifle Length Gas System 1:8" Twist 4 Grooves, 1/2-28 tpi

Proof Research

Proof Research 100462 AR-Style Barrel 223 Wylde 20" Rifle Length Gas System 1:7" Twist 4 Grooves, 1/2"-28

Proof Research

Proof Research 100523 AR Style 300 Blackout 12.50" Threaded Carbon Fiber/Steel

Proof Research

Proof Research 100530 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:7" Twist 5 Grooves

Proof Research

Proof Research 101582 AR-Style Barrel 223 Wylde 16" Midlength Gas System 1:7" Twist 4 Grooves, 1/2"-28 tpi

Proof Research

Proof Research 223 Wylde 1-7 Twist 14.5'' Carbon Fiber Barrel

Proof Research

Proof Research 223 Wylde 1-7 Twist 18'' Carbon Fiber Barrel

Proof Research

Proof Research 223 Wylde 1-8 Twist 14.5'' Carbon Fiber Barrel

Proof Research

Proof Research 223 Wylde 1-8 Twist 16'' Carbon Fiber Barrel

Proof Research

Proof Research 223 Wylde 1-8 Twist 18'' Stainless Steel Barrel

Proof Research

Proof Research 6.5 Grendel 20" Rifle-Length AR Barrel, .750 Gas Block Journal

Proof Research

Proof Research 6MM Arc 1-7.5 Twist 14.5'' Carbon Fiber Barrel

Proof Research

Proof Research 6MM Arc 1-7.5 Twist 14.5'' Stainless Steel Barrel

Proof Research

Proof Research 6MM Arc 1-7.5 Twist 18'' Stainless Steel Barrel

Proof Research

Proof Research 6MM Arc 7.5 Twist 16'' Carbon Fiber Barrel

Proof Research

Proof Research 6MM Arc 7.5 Twist 18'' Carbon Fiber Barrel

Proof Research

Proof Research AR-15 22 Arc 16'' Standard 1-7 Twist Carbon Fiber Barrel

Proof Research

Proof Research AR-15 22 Arc 16'' Standard 1-7 Twist Stainless Steel Barrel

Proof Research

Proof Research AR-15 22 Arc 18'' Standard 1-7 Twist Carbon Fiber Barrel