Description:
Mil-Spec Receiver Extension Tube with six positions is precision machined from 6061/T6 grade aluminum. Built for maximum durability, the extension tube features matte black anodizing with a mil-spec, Type III Hardcoat. The extension tube lends itself to the demands of silent operation with a tight tolerance control for a zero fit.
Specification:
Tube material: Aluminum Alloy
Surface: Black Matte Finish
Tube length: 7.25 inch
Features:
- Black/Matt .
- machined of T6 aluminum to meet standard.
- Shock proof and water proof.
Packing list: 1 x BF Tube 1 x Spring 1 x Buffer (3 Oz) 1 x Sling End Plate 1 x Castle Nut【Buy 1 Get 1 Free】
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