20″ – Super Bull Barrel – Fluted

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST S-RGQ HAND GUARD QUAD RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X456mm NATO 1/9 TWIST S-RGQ HAND GUARD LOW PROFILE GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST 14.5'' S-RGQ HAND GUARD

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST RGQ HAND GUARD 1913 RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST RGQ HAND GUARD QUAD RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST RGQ HAND GUARD LOW PROFILE GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST FREE FLOAT HAND GUARD QUAD RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST FREE FLOAT HAND GUARD LOW PROFILE GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST 16.5'' FREE FLOAT HAND GUARD

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST MAGPUL MOE HAND GUARD 1913 RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST MAGPUL MOE HAND GUARD QUAD RAIL GAS BLOCK

R GUNS A3 20'' SB FLUTED 5.56X45mm NATO 1/9 TWIST MAGPUL MOE HAND GUARD LOW PROFILE GAS BLOCK