The Superlative Arms patented Bleed Off Mode gas block brings innovation to AR-15, AR-10 and LR-308 platforms by bleeding excess gas from the front of the block rather than restricting it. This unique design improves performance, reduces recoil and cuts down on wear and tear on internal parts, offering a smoother, more efficient shooting experience. 0.875 inches x 1 inches direct impingement adjustable gas block Clamp-on 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 Dark DLC gas block coating