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B5 Systems

B5 SRK-1660 SRK EXTENTION KIT BLK

Product Code : 814927024793

$128.95

Mfg Item #: SRK1660

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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.

SeriesExtension Kit

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