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

Say goodbye to over gassed rifles. The Superlative Arms patented Bleed Off Mode gas piston system bleeds excess gas out the front, ensuring cleaner, cooler and more reliable operation than traditional adjustable gas blocks.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 blockLeft-handed, fully automatic AR-15 bolt carrier, dark DLC coated, 8620 steelRifle gas system/operating rod length