This section contains just what you need in the way of AR-15 Gas Block and AR-15 Gas Tube parts from top name manufacturers like Troy, Yankee Hill Machine (YHM), Fortis Manufacturing and WMD. The two YHM low profile gas block models shown here, both .750", are made with the finest quality steel and have military spec phosphate coatings. One clamps on and the other uses two sets screws. A third YHM AR low profile gas block fits .936" Bull Barrels. It's made from aluminum and has an anodized, black matte finish. All these YHM gas blocks replace your weapon's existing front sight.
The Troy low profile gas block, available in .750”, .875”, & .936", fits under most hand guards and free-float rails. For gas tubes, the WMD Nitromet Gas Tube comes in carbine, mid and rifle lengths and are ultra-durable.