Product Description
Product Features & Specifications B5 SRK-1660 SRK EXTENTION KIT BLK 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),
B5 Systems Sierra K Extention Kit, Black 5-Position Receiver Extension Short Heavy Buffer Power Spring Castle Nut QD End Plate - SRK1660
at DEGuns
$128.25
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Product Details
Brand
B5 Systems
