DESCRIPTION – ABABTA (A*B Arms Mil-Spec Receiver Extension – Buffer Tube)
The A*B Arms Mil-Spec Receiver Extension (buffer tube) is an aluminum buffer tube that can be used as an accessory for the various MOD*X chassis receivers and butt stock adapters.
- Mil-Spec buffer tube designed for the A*B Arms MOD*X™ receivers and adapters
- Aluminum receiver extension is made out of 6061 T6 and is Class III, hard-coat anodized
- Receiver extension has six adjustment holes