The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA.
- Manufacturer #:
- B5 Systems
- Manufactuer Weight:
- SRK-1660
- Model**:
- Sierra K
- New Stock #:
- Extension Kit
- Units Per Case:
- Buffer Tube Complete Assembly
- Color:
- Stocks & Buffer Tubes
- Lens Color:
- Black
