Product Description The San Tan Tactical AR-15 low profile gas block is built for dependable performance in compact handguard setups and modern AR builds. Designed for a .750" barrel journal, it features durable construction and precise machining for consistent fit and long-term reliability. Manufactured from 17-4PH stainless steel and finished in matte black nitride, it offers excellent wear resistance and a clean, professional look for upgrades and new builds alike. Product Highlights Low profile AR-15 gas block design helps ensure compatibility under many free-float handguards .750" journal size for common AR barrels and build configurations Machined from 17-4PH stainless steel for durability and dependable service life Matte black nitride finish enhances corrosion resistance and surface hardness Dual hex-head set screws support a secure, stable installation Specs Brand: San Tan Tactical Product Type: Low Profile Gas Block Platform Compatibility: AR-15 (also listed for AR-10) Barrel Journal Diameter: 0.750 in Material: 17-4PH Stainless Steel Finish/Color: Matte Black Nitride Fastening Method: Dual hex-head set screws Weight: 0.66 oz Country of Manufacture: USA Manufacturer Part Number: STT-GB-750 UPC: 680599034237 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.