Product DescriptionThe PHASE 5 WEAPON SYSTEMS LOPROGAS low profile gas block replaces your existing front sight with a simple, streamlined design that helps you run a rifle-length forearm on a carbine-length barrel. Built from 4140 chromoly steel with a mag phosphate finish, this clamp-on gas block is secured using two clamping screws and is compatible with 0.750 inch barrels. Proudly made in the USA. Note: gas tube roll pin is not included.Product Highlights Low profile clamp-on gas block design to replace a front sight base and fit under many handguards Compatible with 0.750 inch diameter barrels 4140 chromoly steel construction with a durable mag phosphate finish Secures with two clamping screws for a straightforward installation Made in the USA; includes gas block and two screws (gas tube roll pin not included)Specs Product Type: Low profile gas block (clamp style) Barrel Compatibility: 0.750" barrels Material: 4140 chromoly steel Finish: Mag phosphate Weight: 1.8 oz Width: 0.90" Height: 1.48" Included: Gas block with two screws Not Included: Gas tube roll pin Country of Manufacture: USA Brand: PHASE 5 WEAPON SYSTEMS MPN: LOPROGAS UPC: 813318021663Disclaimer: 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 products manufacturer.