Hard plastic, 20 count, slip top ammunition boxes made in the USA. We insert the foam and add a neoprene strap to keep your rounds secure in the field. These work great for in the field use. Fit all .473 case head cartridges up or down. Fit .532 case head (magnum) cartridges bullet down. .223 diameter rounds rattle around some, but still work. We use them for 350 Legend, 450 Bushmaster, 6.5 Creedmoor, 6.5 PRC, 7 SAUM, 7 Rem Mag, 28 Nosler, 300 Win Mag, 300 WSM, 300 RUM, 338 RUM, 458 Lott, 30-06, 270 Win and more. Slip top design allows for a lot of length adjustment. Shorter cartridges we add thicker foam. Let us know which foam size you want. We leave our stickers and labels off them, so you have plenty of room for your own labels.
Does NOT fit the .588 rounds like 378 Weatherby, 300 Norma or 338 Lapua.