The Trailblazer Firearms LifeCard is a single-shot break-action pistol chambered in .22 WMR. At 5.5 ounces and 3.375 inches overall length, it's one of the smallest and lightest carry options available. The OD Green finish is one of several color options. 
 

Key Specifications 

• Model: LifeCard 
• Caliber: .22 WMR (also known as .22 Magnum) 
• Barrel Length: 2.5 inches 
• Capacity: 1 round 
• Weight: 5.5 ounces 
• Overall Length: 3.375 inches 
• Finish Color: OD Green 
• Action Type: Break Action, Single Action 
• Condition: New in Box 
   
  The break-action mechanism makes loading and unloading straightforward. .22 WMR produces higher velocity than .22 LR from the same barrel length, which matters in a 2.5-inch barrel. The design is ambidextrous, so left- and right-handed shooters can both use it without modification. The obvious limitation is the single-round capacity - this is a backup or last-resort option, not a primary defensive firearm.

Owners of the Trailblazer LifeCard in OD Green are generally drawn to it for the same reason: the folding mechanism produces a firearm that disappears into a pocket. For a hiking backup or travel gun where size and weight matter above all else, the design makes sense, and it draws positive comments for being genuinely innovative.

The .22 WMR caliber is fine for plinking and small game but generates real debate as a defensive round. Single-shot capacity means every round has to count, which some users see as a useful constraint for deliberate shooting and others see as a serious limitation for self-defense use.

Build quality discussions are mixed. Some owners report solid, consistent performance; others have had reliability issues over time. Price is another common point - reasonable to some given the novelty of the design, high to others for what is ultimately a single-shot rimfire pistol. The OD Green color itself gets good marks from those who see it as a field or outdoors tool.