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$128.95 USD
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 | |
| Manufacturer Part Number |
SRK-1660 |
| Length |
10.5500 |
| Model |
Sierra K |
| Product Type |
Buffer Tube Complete Assembly |
