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About This Winchester 5.56x45mm Ammunition3 gun competitors will appreciate the accuracy and dependability of this 5.56 NATO ammunition from Winchester. Manufactured in Winchester's newly constructed ammo plant in Oxford, MS, these cartridges come in boxes of 20 and fire a standard weight 55 grain full metal jacket bullet. Muzzle velocity clocks in at 2,370 feet per second, a tiny bit higher than that of M193 ball ammo.
Winchester is one of the top names in ammo manufacturing worldwide and uses only non-corrosive Boxer primers and brass cases in its products. Grab all the range, self-defense, hunting and match ammunition you need at AmmoMan.com. If your order total exceeds $99, we'll provide free shipping regardless of package weight.
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