About the MTM Case-Gard J-20 Slip-Top Boxes .270 to .375 Magnum SmokeMTM Case-Gard J-20 Series Ammunition Cases are a favorite of rifle enthusiasts throughout the world. Made of virtually indestructible polypropylene that will not warp, crack, chip, peel, expand, or contract. The Case-Gard J-20's are available in five sizes. All rounds are listed bullet up position.
Some reloaders don't like the lid touching their bullets, so the lid dimension below is for them. There are a lot of reloaders that expand the case as much as half an inch and claim no problems with accuracy.
- Cartridge Sizes: 220 Swift, 224 Clark, 225/25-284/270/284/307/308/356 Win., 240 Wby. Mag., 25-06/244/280/6mm/7mm-08mm Rem., 257 Roberts, 30-06 Spr., 30-30 Win., 30-40 Krag., 308 Marlin Exp., 360 Nitro Express 2 1/4", 375 Rimless 2 1/4", 32 Win. Spl., 338 Fed., 35 Whelen, 376 Steyr, 444 Marlin, 400-375 Belterd Nitro Exp., 6.5 Carcano, 6.5 Creedmoor, 6.5x257 Roberts, 6.5-284 Lapua, 6.5x50 Jap. Arisaka, 6.5x52 Italian, 6.5x54mm Mann-Schoen, 6.5x55mm Swedish, 6.5-06 A-Square, 6.5-284 Norma, 6mm-284 Win., 7x57 / 7.65x53 / 9.3x57mm / 10.75x68 Mauser, 7x64 Brenneke, 7.5x55 Swiss, 7.7x58 Jap., 7-30 Waters, 7.35 Carcano, 7.5 Schmidt Rubin Swiss, 7.5x54 French MAS, 7.5x55 Swiss, 7.7x58 Jap., 7-30 Waters, 8x57J, 8mm-06, 9.3x74, 9.3x62, 9.5x57.
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Our Green Top Pros dont just sell the gear in our store but they use it every day. Along with unmatched expertise, here are a few perks you'll enjoy as a Green Top customer.
- CP Category:
- Requires FFL: