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B5 SRK-1660 SRK EXTENTION KIT BLK
$128.25
B5 SRK-1660 SRK EXTENTION KIT BLK
6 in stock
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.
| UPC | 814927024793 |
|---|---|
| Manufacturer | B5 Systems |
| Manufacturer Part Number | SRK1660 |
| Length | 10.5500 |
| Model | Sierra K |
