B5 SRK-1660 SRK EXTENTION KIT BLK

B5 SRK-1660 SRK EXTENTION KIT BLK

SKU: SA1366951
UPC: 814927024793

B5 SRK-1660 SRK EXTENTION KIT BLK

$128.25

Availability: 21 in stock

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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.

Weight 0.775 lbs
Dimensions 10.6 × 6.9 × 1.7 in
Manufacturer

B5 Systems

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