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Double Star Car-15/M4 Mil-Spec Receiver Extension


Buy Double Star Car-15/M4 Mil-Spec Receiver Extension

Brownells has a pretty good price on the Double Star Car-15/M4 Mil-Spec Receiver Extension, for only .99.

Machined aluminum receiver extension tube has the correct 1.145″ O.D. to accept an M4-style adjustable carbine buttstock. Six precision-machined notches on the underside provide plenty of options for setting length-of-pull. Perfect for a custom build, installing a mil-spec stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock. Machined from a lightweight aluminum extrusion then hardcoat anodized for extra strength, and dry film lube-coated inside for smooth movement of the buffer and buffer spring. Requires carbine recoil spring and buffer, lock ring, and receiver plate, all available separately. SPECS: Aluminum, hardcoat anodized, matte black. 7 7⁄8″ (20cm) long, 1.145″ O.D.

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  1. Dolan
    May 1st, 2010 at 18:12 | #1
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