B5 Systems SRK Receiver Extension Kit, Black
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B5 Systems SRK Receiver Extension Kit, Black
Item # 6123609
$128.99
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$128.99
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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.
- Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock
- Includes a reduced-length, mil-spec diameter, 7075 aluminum 5-position receiver extension
- Includes a short heavy buffer (3.5 oz)
- Includes an extra power spring
- Includes a castle nut
- Includes a quick disconnect end plate
- Color: Black
- Number of Pieces: 5
- Weight: 3.50 oz
| Brand | B5 Systems |
|---|---|
| Country of Origin | Made in USA |
| Primary Color | Black |
| Product Weight | 3.50 oz. |
| Manufacturer Part Number | SRK1660 |
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