Superlative Arms Carbine-Length Piston System w/Solid Set Screw Gas Block 0.625" x 1", Black

Unlike conventional systems that restrict gas flow, Superlative Arms' patented Bleed Off Mode vents gas forward through the block - an innovative solution that enhances control and reduces fouling.Gas adjustment (patented) - features 30 fixed positions located at the front of the blockBleed-off port (patented) - located at the front of the block, designed to vent forward, directing emissions away from the operator0.625 inches x 1 inches solid set screw QPQ melonite 416 stainless steel piston gas