AR-15 Low Profile Quad Rail Gas Block

Low profile quad rail gas block is constructed of anodized aircraft grade aluminum with a matte finish. The low profile gas block replaces the existing A2 front sight. It comes equipped with four Picatinny rails, allowing you to mount accessories such as a front sight or a laser underneath. The top rail is lower than the flat top by 0.28". It is compatible with .223/5.56mm with a .750 diameter barrel. Roll pin and set screws are included. No modification to your barrel is required.

• Low profile
• Fits .223/5.56mm with a 0.75" regular barrel and standard gas tube
• Replaces A2 front sight
• Precision machined from aircraft aluminum with tight tolerance control
• Top rail lower than flat top by 0.28"
• Includes gas tube roll pin and locking screws