Winchester Ammo WSC30CU Unprimed Cases 30Carbine Rifle Brass 100/Bag
https://www.tandktactical.com/shop/020892632820-winchester-ammo-wsc30cu-unprimed-cases-30carbine-rifle-brass-100-bag-669
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Winchester shellcases are engineered to precise tolerances to ensure smooth-feeding and positive chambering.
