Ammo Box Features All Berry's Ammo Boxes are made from high impact polypropylene for increased strength against cracking chipping warping expansion or contraction. Our Model #413 50 round boxes feature our new flip top design providing a translucent look and an easy-to-open lid. They are stackable they carry a lifetime warranty and they are made in the USA. Color will vary. Ammo Box Specifications Berry s Ammo Bo 413 WSSM/500 S&W 50/ct Color Will Vary