MTM Case-Gard
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MTM Case-Gard™

Rifle Ammo Boxes - J-20 Series


MTM J-20-L Ammo Box

Clear Green Color

J-20-L-16 - Rifle Ammo Box

Rifle Ammo Box J-20 Series

J-20-L-29


Rifle Ammo Box J-20 Series

J-20-LLD-41

 

Foam liner for ammo box

MTM sells the Ammo Box Foam Liner part FL-1-42 which protects the tips and takes the rattle out of the boxes.

One FL-1-42 will pad:

8 = J-20-XS-

6 = J-20-M-

5 = J-20-L-

4 = J-20-MLD-

5 = J-20-LLD-

 

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J-20 Slip Top Ammo Box Series

MTM 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 there bullets, so the lid dimension below is for them. There are a lot of reloaders that expand the case as much as half inch and claim no problems with accuracy.

Use our ammo box chart to determine which boxes you need for all your ammo.

Available Sizes

Stock # Cartridge Sizes
J-20-XS-

17 / 221 / 223 Rem., 17 Fireball, 17 Mach 4, 204 Ruger, 218 Bee, 222 Rem. Mag., 300 Sherwood, 300 Whisper, 32 Ideal, 32 Win. S. L., 351 WSL, 6x47 6mm-223 Rem., 810 Cadet.

Lid is at 2.35" OAL.

 

J-20-M-

219 Zipper, 22 BR, 22 Cheetah, 22 PPC, 22 Sav. HP, 22 Rem Jet, 220 Rus., 250 / 300 / 303 Sav., 30 / 35 Rem., 30 Rem. AR, 32-40 / 375 / 38-55 Win., 401 Win. S.L., 445 Super Mag., 450 Bushmaster, 460 S&W Mag., 5.6x52 Rimmed, 6.8mm Rem. Spl., 6mm BR-DX, 6mm Norma BR, 6mm PPC USA, 7.62x39 Rus., 7mm BR.

Lid is at 2.52" OAL.

 

J-20-L-

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.

Lid is at 3.36" OAL.

 

J-20-MLD-

25 / 270 / 300 / 325 / 338 / 7mm WSM, 30 Rem, 300 / 7mm Rem. SAUM, 300 / 338 RCM, 348 / 356 / 375 / 38-56 / 40-65 Win., 375 Rimless 2 ¼”, 376 Steyr, 38-55 Ballard, 45-70 Govt., 40-82 / 45-90 / 348 WCF, 40-60 / 450 Marlin, 460 / 500 S&W Mag., 30-40 Krag, 400-375 Belted Nitro Exp., 6.71 Phantom, 7.5 Schmidt Rubin Swiss, 7.82 Patriot, 7mm Rem. SAUM / 8x56 Rimmed Hungarian, 8.59 Galaxy, 9.5x47 Rimmed, 10.75x65 Rimmed

Lid is at 3.08" OAL.

 

J-20-LLD-

260 Rem., 6.5-08 A-Square, 257 / 270 / 300 / 338-378 / 340 / 375 / 7mm Wby. Mag., 264 / 300 / 330 / 338 / 458 Win. Mag., 300 / 375 H&H Mag., 300 / 338 / 375 / 7mm / Rem. Ultra Mag., 30 Super Flanged, 300 / 330 / 375 / 416 Dakota, 303 Brit., 308 / 358 Norma Mag., 358 STA, 25-284 / 38-72 / 405 Win., 400 / 400-350 Nitro Exp, 400-360 Thin Rim Purdey, 404 Jeffery, 40-65 Sharps Str., 444 Marlin, 375 Ruger, 6.5-284 Norma, 6.53 Scramjet, 6.5x52 Ital., 6.5x57 Rimmed, 7.21 Firebird, 7mm Rigby, 7x61 S&H, 416 / 6.5 / 7mm / 8mm Rem. Mag., 416 Taylor, 458 Lott, 6.17 Spitfire, 7mm STW, 7.5x 54 Swiss, 7.62x54R, 8x64 Brenneke, 8x65 Rimmed, 8x68S Mag., 9.3x62, 9.3x82 Rimmed, 9.5x57, 10.75x68 Mauser.

Lid is at 3.84" OAL.

 

Color(s): Clear Green (16), Clear Smoke (41), Clear Red (29)

The Heritage Fund

MTM Case-Gard™ is a proud member of a small group of manufacturers who care about our shooting and hunting heritage. Only 1 in 9 shooting and hunting related manufacturers will give back a portion of their sales to the industry to contribute to fighting the good fight for the 2nd Amendment. To find out more click on the Hunting & Shooting Sports Heritage Fund Logo.
MTM Case-Gard™ is family owned and operated since 1968. MTM strives to be innovative in our approach to the shooting sports. All of our products were either designed by one of us, as a solution to a problem we encountered, or because you, the Case-Gard user, suggested it. The results are innovative quality products that last! We know because we use them. Thank you for the opportunity to serve you!
The MTM Case-Gard™ Guarantee
MTM Case-Gard™ products are guaranteed for five (5) years and our living hinged products for 10 years, from the date of purchase, unless stated otherwise, when used for purposes described herein. Should breakage occur, please return the item direct to MTM Molded Products: DO NOT RETURN TO DEALER. Since we cannot control the end use of our product, no additional liabilites are assumed, either expressed or implied. Guarantee limited to replacement or repair of product only.
45 ACP | 45 Colt | 40 S&W | 10mm | 9mm | 380 | 44 | 357 Mag | 357 Sig | 5.7 X 28 FN | 41 Mag

223 Rem. | 308 Win. | 30-06 | 243 Win. | 300 Win. Mag | 270 | 22-250 | 45-70 Govt. | 7.62 X 39
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