For those looking to enhance their AR-15, AR-10 or LR-308, the Superlative Arms patented Bleed Off Mode gas block offers a superior solution. By venting excess gas from the front instead of restricting it, this innovative design reduces recoil, minimizes wear on parts and ensures smoother cycling for better performance. 0.936 inches x 1 inches direct impingement adjustable gas block Solid, set screw attachment type Gas adjustment (patented) - features 30 fixed positions located at the front of the block Bleed-off port (patented) - located at the front of the block, designed to vent forward, directing emissions away from the operator Matte finish on gas block