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Description: The B5 Systems Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. It consists of:
- A reduced-length, mil-spec diameter receiver extension
- 7075 aluminum
- 5-position receiver extension
- A short heavy buffer (3.5 oz)
- Extra power spring
- Castle nut
- Quick disconnect end plate
All parts are made of mil-spec materials and finishes.
Specifications
- Manufacturer:
- B5 Systems
- Category:
- Buffer Tube
- Weight:
- 3.5 oz
- UPC:
- 814927024793
- MPN:
- SRK-1660
- Required Component:
- Yes
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Current
$128.25
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$128.25
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$128.99
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