The UTG Mil-Spec Receiver Extension Tube Kit is made from 6061-T6 aluminum with rolled threads and a matte black hard coat anodized finish. Included is a 6 position extension tube, carbine buffer, buffer spring, receiver end plate, and a castle nut. Made in the USA.
Accessories, AR-15 Parts
UTG Pro Receiver Extension Kit Mil-Spec AR-15 6 position Black Hardcoat Anodized Aluminum Rifle
$39.99
Out of stock
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