B5 Systems, Sierra K Extension Kit, Fits AR15, Black
Sale price
$128.25
Regular price
$135.00
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33 in stock
B5 Systems, Sierra K Extension Kit, Fits AR15, Black
Sale price
$128.25
Regular price
$135.00
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.
Key Features
- 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.
Specifications
| UPC | 814927024793 |
|---|---|
| Manufacturer | B5 Systems |
| Manufacturer Part # | SRK-1660 |
| Model | Extension Kit Sierra K |
| Type | Buffer Tube Complete Assembly |
| Color | Black |
Shipping notes
- Cannot be shipped to: Connecticut, Illinois, New Jersey, Washington.