Product Description The Aero Precision Low-Profile Adjustable Gas Block is engineered for shooters who demand precise, reliable control over their AR platform&';s gas system. Precision-machined from 4140 hardened steel and finished with a DLC (Diamond-Like Carbon) coating for outstanding durability and wear resistance, this gas block is compatible with barrels featuring a .750" gas block journal. Whether you&';re optimizing a suppressed build to reduce gas blowback or dialing in a competition rifle for minimal recoil, this adjustable gas block delivers the fine-tuning capability to meet virtually any shooting requirement. It ships ready to install, including a 6" 3/32 adjustment wrench, a replacement spring, and a detent. Product Highlights Precision-machined from 4140 hardened steel for long-lasting strength and reliability under demanding use DLC (Diamond-Like Carbon) coated finish provides superior corrosion and wear resistance Fits AR-15 and AR-platform barrels with a .750" gas block journal for broad compatibility Adjustable set-screw gas regulation allows fine-tuning for suppressed fire, competition shooting, and custom configurations Includes a 6" 3/32 adjustment wrench, replacement spring, and detent for immediate out-of-the-box setup Specs Brand: Aero Precision MPN: APRH101676C UPC: 840014627271 Material: 4140 Hardened Steel Finish: DLC (Diamond-Like Carbon) Coated Gas Block Diameter: .750" Profile: Low-Profile Mounting Style: Set Screw Compatibility: AR-15 / AR-Platform Barrels with .750" Gas Block Journal Use Cases: Suppressed Fire, Competition Shooting, Custom Tuning Includes: 6" 3/32 Adjustment Wrench, Replacement Spring, Detent 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.