TacFire Low Profile Picatinny Quad Rail Gas Block - .750

The TacFire Low Profile Picatinny Quad Rail Gas Block - .750 boasts aircraft aluminum construction with a corrosion-resistant anodized, glossy finish. This gas block replaces your rifle’s existing A2 front sight and comes equipped with 4 Picatinny rails so you can mount your favorite weapon-mounted accessories. The top rail is lower than the flat top by 0.28". Compatible with 5.56/.223 barrels with a .750" diameter. Includes roll pin and set screws. No modification to barrel is required.