CCI Maxi-Mag 22 WMR 40gr TMJ Rimfire Ammunition - 50 Rounds
- Capacity-Rounds:
- 50
- Style:
- Total Metal Jacket
- Caliber-Gauge:
- 22 Magnum
- Grain:
- 40
- Muzzle Velocity:
- 1875
- Muzzle Energy:
- 312 ft lbs
- Sub Brand:
- Maxi-Mag HV
- HazAir:
- Yes
CCI Maxi-Mag 22 WMR ammunition delivers the performance you need for everything from small-game hunting to competitive rimfire shooting. Each 50-round box contains 40-grain Total Metal Jacket (TMJ) rounds engineered for reliable feeding and consistent shot placement. CCI has built its reputation on producing dependable rimfire ammo, and this .22 Winchester Magnum load reflects that commitment to consistency and quality.
The TMJ bullet construction ensures smooth cycling through your rifle while minimizing fouling—a practical advantage whether you're punching paper at the range or working through a day of plinking. With a muzzle velocity of 1875 fps and muzzle energy of 312 ft-lbs, the Maxi-Mag strikes a balance between speed and controllability, making it well-suited for shooters who value accuracy without excessive recoil or noise.
22 WMR has earned its place among serious rimfire competitors and recreational shooters alike. It offers noticeably more power than standard .22 LR while remaining affordable and manageable in any .22 Mag rifle. The consistent rimfire casing and primer quality you expect from CCI means you can focus on your technique, not on equipment variables.
Key Features
- 40-grain Total Metal Jacket (TMJ) bullet for smooth feeding and reduced fouling
- 22 Winchester Magnum Rimfire (.22 WMR) caliber
- 1875 fps muzzle velocity with 312 ft-lbs of energy
- 50 rounds per box
- Engineered by CCI for consistency and reliability in competition and recreational shooting
Specifications
| Caliber | .22 Winchester Magnum Rimfire (22 WMR) |
| Bullet Weight | 40 grains |
| Bullet Type | Total Metal Jacket (TMJ) |
| Muzzle Velocity | 1875 fps |
| Muzzle Energy | 312 ft-lbs |
| Rounds per Box | 50 |
| Manufacturer | CCI Ammunition |
Frequently Asked Questions
What rifles does CCI Maxi-Mag 22 WMR ammunition work in?
CCI Maxi-Mag is chambered in .22 Winchester Magnum Rimfire (.22 WMR), so it's compatible with any rifle, handgun, or revolver designed for that caliber. Always verify your firearm's chamber before loading.
Is this ammunition suitable for hunting small game?
Yes. With 312 ft-lbs of muzzle energy and a 40-grain projectile, 22 WMR is capable for small-game hunting applications where .22 LR might fall short. Performance will depend on shot placement and your specific firearm.
How many rounds come in a box?
Each box contains 50 rounds of CCI Maxi-Mag 22 WMR ammunition.
What makes TMJ bullets different from other bullet types?
TMJ (Total Metal Jacket) bullets are fully encased in a copper or brass jacket. This construction promotes cleaner feeding through the chamber and magazine, reduces lead exposure during shooting, and minimizes fouling in the barrel—all benefits whether you're at a match or the range.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
- Hawaii
- Alaska
- P.O. Boxes
- APO/FPO Addresses
- International Addresses
- U.S. Territories
- U.S. addresses with zip codes starting with (100, 101, 102)
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
Email: [email protected]

