elitematch AR-15 M16 airsoft shotgun rifle accessories aluminum alloy buffer tube, Customize

Precise tolerance control, zero gap between the end and the receiver T6 6061 aircraft aluminum structure Matte black anodizing and type III anodizing The kit includes two products: Mil-Spec tube Adjustable kit with precision rolled threads. Accept the strictest tolerance control to ensure safety. 6-position buffer tube kit, 2.6 level 3. Suitable for real fire caliber length: 182 mm (7.2 inches) Material: high-quality aluminum alloy Our strict quality control specification pipe connection thread code: 1-3/16 inch UN16 shockproof, waterproof, anti-fog