The KAK Industry AR-15 Carbine Buffer Tube Kit contains the following:
- 6 Position Mil-Spec Carbine Buffer Tube made of high-quality 7075 aluminum with a hard coat black anodizing
- 3oz Carbine Buffer
- Castle Nut made of hardened steel with a staking cuts and a black oxide finish
- End plate made of high-quality 7075 aluminum with a hard coat black anodizing
- Chrome Silicon Spring
