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CCI Maxi-Mag .22 WMR 40gr TMJ Rimfire Ammunition

UPC: 076683000231

$17.99

1156 in stock

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Description

The CCI Maxi-Mag .22 WMR has been a trusted load for decades because it does exactly what it's supposed to do. Each round features a 40-grain Total Metal Jacket bullet wrapped in a copper jacket that gives you solid accuracy without creating unnecessary lead exposure. With a muzzle velocity of 1,875 feet per second, you get real stopping power for plinking and small game work without the price tag of centerfire rounds.

Why the Maxi-Mag TMJ works so well

The Total Metal Jacket design isn't just a feature to brag about—it actually matters on the range. The fully jacketed bullet minimizes barrel fouling and gives you cleaner shooting sessions, which means less time cleaning your rifle or pistol. CCI pairs this with clean-burning propellants and their legendary rimfire priming compound, so you get consistent ignition shot after shot. The 50-round box gives you a good block of ammunition to work with for a range day without overcommitting to a huge case.

What makes CCI's .22 Magnum approach different

CCI built these loads with the kind of attention to detail that's become standard for their rimfire ammunition. The brass casings are premium quality, the priming is reliable, and the whole assembly is put together on equipment designed specifically for this caliber. You'll notice the difference when you load them into the magazine—they feed smoothly, cycle dependably, and fire without drama. That's not marketing talk; it's what happens when a company has been making rimfire ammo since 1951.

Target shooting meets small game hunting

Whether you're working on technique at 50 yards, chasing prairie dogs out to 100, or just punching holes in paper for fun, the Maxi-Mag rounds perform. They shoot flat enough for practical distances, hit hard enough to be effective, and cost less per round than most centerfire alternatives. The recoil is soft—even new shooters or those with finicky semi-automatic rifles typically don't experience feeding issues.

Key Specifications

  • Caliber: .22 Winchester Magnum Rimfire (.22 WMR)
  • Bullet Weight: 40 Grains
  • Bullet Type: Total Metal Jacket (TMJ)
  • Muzzle Velocity: 1,875 feet per second
  • Muzzle Energy: 312 foot-pounds
  • Case Material: Brass
  • Primers: CCI Rimfire
  • Rounds per Box: 50
  • Manufacturer: CCI Ammunition
  • Manufacturer Part Number: 23
  • UPC: 076683000231
  • Ballistic Coefficient: 0.127
  • Country of Origin: USA

What’s Included

  • 50 rounds of CCI Maxi-Mag .22 WMR 40-grain TMJ ammunition
  • Cardboard box

Frequently Asked Questions

Can I use the Maxi-Mag .22 WMR in semi-automatic rifles and pistols?

Yes, this is a big reason the Maxi-Mag is popular. The combination of reliable ignition, clean-burning powder, and smooth-feeding design makes it suitable for semi-auto platforms. Just make sure your firearm is actually chambered in .22 WMR and not .22 LR, since they're not interchangeable.

What is the advantage of the TMJ bullet over other options?

Total Metal Jacket means the lead core is fully enclosed in copper, which reduces barrel fouling and keeps your gun cleaner longer. It also minimizes airborne lead particles, making it a cleaner choice for indoor ranges or frequent shooters. You still get good accuracy and reliable expansion at typical .22 Magnum distances.

How does .22 WMR compare to .22 LR for hunting?

The .22 WMR hits significantly harder than .22 LR. At 100 yards, a .22 WMR 40-grain bullet still carries about 50 percent more energy than a .22 LR right out of the muzzle. This makes it better for small game like prairie dogs, coyotes, and larger varmints where .22 LR might be marginal.

Is CCI ammunition reliable for my gun?

CCI has been building rimfire ammunition since 1951 and their consistency is industry-standard. The Maxi-Mag line consistently gets praised for flawless ignition and feeding, even in picky semi-automatic platforms. That said, like any rimfire, you might get the occasional dud out of hundreds of rounds due to the nature of rimfire priming.

Additional information

Bullet Weight (Grains)

40

Caliber/Gauge

.22 WMR

Case Material

Brass

Cost per Round

0.36

Grains

40Gr

Length

3.4000

Manufacturer

Manufacturer Part Number

23

Model

Product Type

Total Metal Jacket

Shipping Weight

0.55

Units per Box

50

UPC

076683000231

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