Mil-Spec Carbine Lower Receiver Extension Buffer Tube 6 Position
- 7075-T6 heat treated aluminum
- Machined to Mil-Spec dimensions and specifications
- Black Hard coat anodized (Mil-A-8625A), Type III, Class 2
- Also Available in “White” (not anodized)
- 6 Locking Positions
- Made in the USA
Does Not include Buttstock, Buffer, Spring, End Plate or Castle Nut.