Description
CCI Maxi-Mag gives you one of the fastest .22 WMR loads available, running at 1875 fps with 312 ft-lbs of energy on target. The 40 grain jacketed hollow point is designed for controlled expansion on small game and varmints without fragmenting excessively, making it a reliable choice for everything from prairie dogs to raccoons. Real-world testing shows this load shoots acceptably accurate for varmint work, and it holds together on impact rather than blowing apart prematurely.
Why the Maxi-Mag 40gr Stands Out
CCI's clean-burning propellants and reliable priming mean less fouling inside your action than standard rimfire rounds. If you run a suppressor, the polymer-coated bullets cut lead buildup by 60 to 80 percent, which is huge for long shooting sessions without constant disassembly. The combination of velocity, energy transfer, and clean powder makes this feel like a step up from budget alternatives without the premium price tag.
Performance in the Field
The Maxi-Mag 40 grain JHP expands reliably and penetrates adequately for varmint hunting out to reasonable distances. You'll notice it cycles smoothly through both semi-autos and bolt guns, and the consistent ignition means fewer fliers on target. The pour pack format gives you 125 rounds in convenient packaging—enough for serious range time or a solid hunting trip without needing to repackage anything.
Key Specifications
- Caliber: .22 Winchester Magnum Rimfire (.22 WMR)
- Bullet Weight: 40 grains
- Bullet Type: Jacketed Hollow Point (JHP)
- Muzzle Velocity: 1875 fps
- Muzzle Energy: 312 ft-lbs
- Case Material: Brass
- Rounds per Package: 125
- Ballistic Coefficient: 0.114
- Manufacturer: CCI Ammunition
- Model Number: 920CC
- UPC: 604544655612
- Application: Varmint hunting, small game
What’s Included
- 125 rounds of CCI Maxi-Mag .22 WMR 40gr JHP ammunition
Frequently Asked Questions
Is CCI Maxi-Mag good for hunting?
Yes, the 40 grain JHP is specifically designed for varmint hunting. It delivers controlled expansion on small game like prairie dogs and raccoons while retaining energy downrange. Testing shows it performs reliably for headshots on varmints and offers a good balance between expansion and penetration without fragmenting.
Will this ammo work in semi-auto rifles?
Absolutely. The Maxi-Mag cycles reliably in both semi-automatic and bolt action .22 WMR rifles. CCI's consistent priming and propellant ensure dependable ignition and feeding without reliability issues.
What's the advantage of the polymer bullet coating?
The polymer coating reduces copper and lead fouling in your barrel without leaving residue, meaning you shoot longer between cleanings. For suppressed guns, it cuts lead buildup in the can by 60 to 80 percent, which makes a real difference if you run cans regularly.
How does the 40 grain compare to lighter .22 WMR loads?
The 40 grain is heavier and delivers more penetration and impact energy than lighter 30 grain loads. It's better suited for varmints where you need deeper penetration, while lighter loads are sometimes preferred for very small targets where expansion matters more than penetration.




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