SKU
SRK-1660
B5 Systems Sierra K Extension Kit
$124.00
In stock
For use with the B5 Systems Sierra 5K compact stocks.
The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. It consists of a reduced-length, mil-spec diameter, 7075 aluminum, 5-position receiver extension, a short heavy buffer (3.5 oz), extra power spring, castle nut, and quick disconnect end plate. All parts are made of mil-spec materials and finishes and proudly made in the USA.
Specification
| Manufacturer | B5 Systems |
|---|---|
| Item Returns | This item can be returned |
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