The Luth-AR Mil-Spec Carbine Buffer Tube provides a reliable foundation for any AR-15 carbine stock installation.
- Type: Carbine Buffer Tube
- Compatible Firearms: AR-15, M4, M16 carbine variants
- Material: 7075-T6 Aluminum
- Finish: Hard Anodized
- Specification: Mil-Spec (1.14″ OD)
- Position Holes: 6
- Installation: Requires armorer’s wrench and castle nut










