Winchester Ammo WSC338LU Unprimed Cases 338Lapua Mag Rifle Brass 20/Bag
https://www.tandktactical.com/shop/020892633384-winchester-ammo-wsc338lu-unprimed-cases-338lapua-mag-rifle-brass-20-bag-12451
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Winchester shellcases are engineered to precise tolerances to ensure smooth-feeding and positive chambering.
