Product Description The Aero Precision Low-Profile Gas Block in .750" Black Nitride Steel is a precision-engineered AR-15 and AR-308 component built to deliver an efficient and reliable gas system for your rifle build. Machined from 4150 hardened steel and treated with a durable black nitride finish, this gas block provides outstanding corrosion resistance and long-lasting performance. Its low-profile design is optimized for easy fitment under free-float handguards, keeping your build clean and streamlined. The Aero Precision logo is engraved directly on the body for a professional look, and steel 10-32 x 3/16 knurled cup point set screws ensure a rock-solid, secure installation. Proudly made in the USA. Product Highlights Fits barrels with a .750" outer diameter for precise compatibility with AR-15 and AR-308 platforms Constructed from 4150 hardened steel with a black nitride finish for superior strength and corrosion resistance Low-profile design allows easy fitment under free-float handguards and drop-in rail systems Set screws are steel 10-32 x 3/16 knurled cup point for a secure, reliable installation without slippage Made in the USA with the Aero Precision logo engraved directly on the body Specs Brand: Aero Precision MPN: APRH101205C UPC: 815421028294 Model: Low-Profile Gas Block Finish: Black Nitride Material: 4150 Hardened Steel Barrel Diameter: .750" Firearm Type: AR-15 / AR-308 Set Screw Specification: Steel 10-32 x 3/16 Knurled Cup Point Weight: 1.60 oz Country of Manufacture: USA Roll Pin Included: No Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>