MTM Slip-Top Ammo Box - RL | 20 Round
Slim MTM J-20-L Slip-Top box holds 20 rifle rounds bullet-up, keeping 30-06, 270 and similar cartridges protected and pocket-ready in tough polypropylene.
Product Overview
If you run a rifle in the real world – on the hill, in the ute or at the range – loose rounds are a liability. The MTM Slip-Top Ammo Box - RL | 20 Round (J-20-L) locks 20 long-action cartridges into a slim, pocketable case so they stay clean, protected and ready to feed. Built from virtually indestructible polypropylene, it shrugs off knocks, dust, heat and cold without warping or cracking, and the slip-top design gives you fast, one-handed access when it’s time to load up. Sized for popular calibres like 220 Swift, 25-06, 270 Win, 30-06 and 7x57, each round sits bullet-up in its own compartment, so tips don’t get battered and you can keep different loads clearly separated. The lid height is set for long OAL hunting ammo, and if you want extra tip protection or to kill any rattle, it’s compatible with MTM’s FL-1-42 foam liners. Made in the USA and proven by rifle shooters worldwide, this is a tough, no-nonsense ammo box that just works – throw it in the pack and get on with the hunt.
Key Features
20-round slip-top design keeps a full load of rifle cartridges organised and ready, ideal for range days or hunting trips.
Made from virtually indestructible polypropylene that resists warping, cracking, chipping, peeling, expansion and contraction for long-term reliability in the field.
Sized for popular long-action rifle calibres such as 220 Swift, 25-06, 270 Win and 30-06 Sprg, so shooters can store their go-to hunting rounds in one compact box.
Clear-coloured lid (green, red or smoke variants) lets you quickly check ammo count and type without opening the box, saving time on the bench or in camp.
Slip-top lid design allows fast, quiet access to cartridges compared with hinged boxes, which is useful when loading up in the field.
Cartridges are stored bullet-up to protect tips and make it easy to grab individual rounds without fumbling.
Compact profile fits neatly into a jacket or pack pocket, keeping ammunition protected yet easy to carry on the move.
Compatible with optional MTM FL-1-42 foam liner (sold separately) to cushion bullet tips and eliminate rattling during transport.
Made in the USA by MTM Case-Gard, a specialist in ammunition storage, giving shooters confidence in build quality and consistency.
Part of the MTM J-20 series, allowing shooters to standardise storage across multiple calibres with matching boxes and capacities.
Compatible with these cartridges:
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, 350 Legend, 376 Steyr, 444 Marlin, 400-375 Belterd Nitro Exp., 6.5 Carcano, 6 / 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 / 7MM PRC / 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.
Lid is at 3.36" OAL.
Included in the Box:
- MTM Slip-Top Ammo Box - RL | 20 Round (Model J-20-L)
| SKU | MTMJ-20-L |
| Model # | J-20-L |
| Brand | MTM |
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