The Deluxe H-50 ammo box was designed for ammo protection and ease of transporting. Bullets are protected by four special fingers. The fingers are designed to keep most bullet tips from hitting the bottom of the box, preventing tip damage that can change bullet flight characteristics. Ammo box is compatible with the following calibers: 224 Clark, 240 Wby. Mag., 25-06/280 Rem., 257 Roberts, 270 Win., 30 Gibbs, 30-06 Spr., 318 Westley Richards, 330 Win. Mag., 338-06 A-Square, 35 Whelen, 350 Legend, 400-375 Belted Nitro Express, 6.5 Carcano, 6.5×257 Roberts, 6.5×52 Italian, 7×57 Mauser, 7×64 Brenneke, 7×72 Rimmed, 7.7 Jap, 7×58 Jap., 8x57J, 8mm-06, 9.3x57mm Mauser, 9.3×74, 410 Shotshells.