Product Description
The B5 Systems Sierra K Extension Kit is specifically designed for use with the Sierra K compact stock. This shortened receiver extension kit includes a receiver extension, buffer, spring, castle nut, and QD end plate.Specifications: Color: Black Type: Buffer Tube Kit
B5 Systems AR-15 Sierra K Mini Buffer Kit
$128.25
In Stock
at AR15 Discounts
Price verified 2d ago
Amazon
eBay
Product Details
Brand
AR15 Discounts
