TacFire's AR15 Pistol buffer tube kit includes- Mil-Spec Pistol Buffer Tube w/foam insert, Buffer, Carbine length buffer spring, Dual Loop Sling Adapter End Plate and Castle Nut.
Specifications:

Type	Buffer Tube Kit
Model	AR15
Dimensions	8"
Size
Material	6061-T6 Aluminum
Action
Trigger
Safety
Thread Pattern
Finish	Black
Bolt Type
Hand
Hammer Type
Max Capacity