BCM MK2 Receiver Extension for your AR15" M16" M4. Machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Mil-Spec receiver extensions have a slightly smaller dimension where the stock slides on. *NOTE* These buffer tubes require a rifle action spring and specific BCM MK2 buffer" carbine and rifle buffers will NOT work.
Features:
- Fits AR
- 8 Position
- Can Reduce Felt Recoil
- Requires Proprietary Buffer Weight
Specifications:
- Color: Black
- Finish: Matte
- Fit: AR Rifles
- Manufacturer Part #: BCM-MK2-RE
- Model: MK2 Receiver Extension
- Model: MOD 1
- Subcategory: Stocks & Buffer Tubes
- Type: Buffer Tube