015-SD4MOD4MLOK4BARREL9MMKK
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Stern Defense 9mm upper receiver features a Melonite-finished steel barrel with 1:10″ twist and .5-36 threaded muzzle, complete with bolt carrier group and 4″ MOD 4 M-LOK handguard, compatible with Glock-pattern lowers. Made in the USA.
$443.48Low Stock
