B5 Systems Sierra K Receiver Extension Kit
Specifications
Material 7075 aluminum
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
The B5 Systems Sierra K Receiver Extension Kit is the proprietary reduced-length 5-position receiver extension and mounting system designed specifically for the Sierra K buttstock. It uses a mil-spec diameter 7075 aluminum extension and includes the correct buffer and extra power spring setup for consistent function and stock adjustability.
Key Features
- Reduced-length receiver extension made from 7075 aluminum
- Mil-spec diameter compatibility for standard component fitment
- 5-position adjustment for fine-tuning LOP and ergonomics
- Short heavy 3.5 oz buffer paired with an extra power spring
- Includes castle nut and quick disconnect end plate for installation-ready setup
Build out your Sierra K setup with the correct factory extension kit for reliable fitment and adjustment.
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- SKU:
- SRK-1660
- UPC:
- 814927024793
- BUDS ID:
- 180993
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
