AR-STONER 9mm Receiver Extension Buffer Tube Assembly 6-Position Mil-Spec Diameter AR-15 Aluminum Black

The AR-STONER 9mm 6-Position Buffer Tube Assembly is perfect for building a new 9mm Carbine Rifle. Machined from 6061 aluminum, the buffer tube fits Mil-Spec Diameter Standards while a hard coat anodized finish ensures prolonged durability. The buffer is constructed of steel and weighs just under 5.5 oz; allowing for the ideal balance of performance, durability and weight. A stainless steel buffer spring completes the assembly and is resistant to corrosion. Overall the AR-STONER 9mm 6-Position Buffer Tube Assembly is a highly functional and highly affordable way to build your 9mm Carbine Rifle.FeaturesPerfect for a 9mm AR-15 Carbine RifleMil-Spec DiameterAluminum Buffer Tube with Hard Coat Anodized Finish6-Position Adjustability5.4 Ounce Steel BufferStainless Steel Buffer Spring