Griffin Armament Maritime AR-15 Receiver Extension

Griffin Armament Maritime AR-15 Receiver ExtensionThe Griffin Armament Maritime AR-15 Receiver Extension is a rugged carbine buffer tube built for reliable performance in demanding conditions. Machined from 7075-T6 aluminum to Mil-Spec dimensions, it provides six stock positions while seven integrated ports allow excess gas, water, oil, and debris to escape the operating system. A black Mil-Spec hardcoat anodized finish adds durability and corrosion resistance, making it a strong upgrade for AR-15 builds that need dependable performance and long service life.Features Six-position carbine receiver extension Seven vent and drainage ports Allows gas, water, oil, and debris to escape the operating system Mil-Spec dimensions 7075-T6 aluminum construction Mil-Spec hardcoat anodized finish Designed specifically for AR-15 platforms Black finish Made in the USA Backed by Griffin Armament's Perpetual Lifetime WarrantySpecifications Product Type: Receiver Extension / Buffer Tube Platform: AR-15 Configuration: AR15 MRE - Black Length Type: Carbine Adjustment Positions: 6 Drainage / Vent Ports: 7 Material: 7075-T6 Aluminum Dimensions: Mil-Spec Finish: Hardcoat Anodized Color: Black