B5 SRK EXTENTION KIT BLK
B5 Systems
$128.25
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B5 Systems
B5 SRK EXTENTION KIT BLK
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.
- 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.
- Reduced-length 5-position Receiver Extension Constructed of 7075 Aluminum
- Includes a Short Heavy Buffer (3.5 oz), Extra Power Spring, Castle Nut and QD End Plate.
B5 Systems Sierra K Extension Kit, Fits AR15, Black SRK-1660
- Manufacturer:
- B5 Systems
- Manufacturer Part No.:
- SRK-1660
- Model:
- Sierra K
- Model**:
- Extension Kit
- Type:
- Buffer Tube Complete Assembly
- Sub Category:
- Stocks & Buffer Tubes
- Color:
- Black
