Mil-Spec 6-position adjustable Carbine Receiver Extension (buffer tube). Made from aluminum with a matte black hard coat anodized finish, accepts mil-spec pattern carbine length buttstocks or pistol braces.
TECHNICAL SPECIFICATIONS
| PLATFORM | MK4 |
Mil-Spec 6-position adjustable Carbine Receiver Extension (buffer tube). Made from aluminum with a matte black hard coat anodized finish, accepts mil-spec pattern carbine length buttstocks or pistol braces.
| PLATFORM | MK4 |
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