Description
This is Hornady Critical Defense ammunition in 22 Winchester Magnum Rimfire (WMR). It is designed for personal defense in compact rimfire handguns and revolvers. The 45-grain FTX bullet with its polymer tip is engineered for reliable expansion at rimfire velocities. Since adding it to our catalog in late 2024, we’ve found it to be a consistent and reliable performer, with customers noting its effectiveness. Our staff confirms the weight is barely noticeable once installed.
Why This One?
- FTX Polymer Tip: The Flex Tip initiates controlled expansion and prevents clogging with clothing material, a common failure point in hollow points.
- Critical Defense Reliability: Formulated specifically for short-barreled firearms, ensuring consistent ignition and velocity from compact platforms.
- Optimized for Rimfire: This load is engineered for the 22 WMR’s ballistic profile, maximizing terminal performance within its velocity window.
- Clean-Burning Propellant: Reduces fouling in your firearm, which is particularly important for the tighter tolerances often found in rimfire actions.
- Low-Flash Propellant: Minimizes muzzle flash in low-light defensive situations, helping to preserve your night vision.
Full Spec Sheet
| Caliber | 22 Winchester Magnum Rimfire (22 WMR) |
| Bullet Weight | 45 Grain |
| Bullet Type | Hornady FTX Polymer Tip |
| Muzzle Velocity | Approx. 1550 fps (from 4″ barrel) |
| Muzzle Energy | Approx. 240 ft-lbs |
| Quantity | 50 Rounds per Box |
| Weight (measured) | 1.3 oz |
| Case Type | Nickel-Plated Brass |
Q & A
Is this suitable for a small-frame revolver like an LCR?
Yes. This ammunition is specifically engineered for compact, short-barreled firearms. The low-flash propellant and reliable ignition make it a solid choice for revolvers like the Ruger LCR in 22 WMR.
How does the FTX bullet perform in 22 WMR?
The polymer tip drives consistent expansion at rimfire velocities, which can be a challenge. It is designed to meet the FBI’s penetration protocol while creating a larger permanent wound channel than a standard hollow point in this caliber.
Why is the case nickel-plated?
Nickel plating provides superior corrosion resistance, which is critical for defense ammunition that may be carried daily. It also offers smoother extraction and feeding in semi-automatic platforms.
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