Optimize your AR-15 performance with the Tiger Rock Inc. GTPGB-BLEM .750 Low Profile Gas Block and Sliver Pistol Length Gas Tube. This expertly crafted gas block is designed for seamless integration with a variety of quad rail systems. Constructed from hardened steel, it features a matte black finish for durability and aesthetics. The stainless steel gas tube ensures superior heat and corrosion resistance, adhering to Mil-Spec dimensions while offering robust performance. Gas Block: Mil-Spec dimensions, .750 diameter, hardened steel construction Non-reflective, matte black finish with included roll pin and allen wrench Gas Tube: 6.7" length, stainless steel, strict Mil-Spec dimensions Fits standard AR-15 .750" barrels Experience high-quality functionality at a reduced price, ideal for AR enthusiasts.