Buy Colt M4/AR15 Receiver Extension Castle Nut
Colt M4/AR15 Receiver Extension Castle Nut
Description:
Factory Colt receiver extension castle nut for M4/AR15 type rifles.
$10.00
Colt M4/AR15 Receiver Extension Castle Nut
Factory Colt receiver extension castle nut for M4/AR15 type rifles.
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