Product Description
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. All parts are made of mil-spec materials and finishes and proudly Made In The USA.
Item Details
UPC: 814927024793
Manufacturer Part Number: SRK-1660
Type: Buffer Kit
Color: Black
GFID: 7754525f-45b7-42fd-8768-2b70dab9b5c7
Sierra K Extension Kit
B5 Systems
B5 Systems, Sierra K Extension Kit, Fits AR15, Black
$128.25 ‡
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Order Quantity
Out of Stock
Product Description
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. All parts are made of mil-spec materials and finishes and proudly Made In The USA.
Item Details
UPC: 814927024793
Manufacturer Part Number: SRK-1660
Type: Buffer Kit
Color: Black
GFID: 7754525f-45b7-42fd-8768-2b70dab9b5c7