B5 SRK EXTENSION KIT BLK

SKU: B5SRK-1660

$128.99

B5 Systems Sierra K Extension Kit, Fits AR15, Black SRK-1660

27 in stock

The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA.

Weight 0.8125 lbs
Dimensions 10.6 × 7 × 1.8 in
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Buffer Tube Complete Assembly

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Brand

B5 Systems