The Trailblazer Firearms LifeCard is a single-shot .22 LR pistol that folds to credit card size. When closed, it measures 3.375 inches overall and weighs 7 oz. It's designed primarily for portability as a backup or emergency carry option. 
 

Key Specifications 

• Model: LifeCard 
• Type: Single Shot Pistol 
• Caliber: .22 LR 
• Barrel Length: 2.5 inches 
• Overall Length: 3.375 inches 
• Capacity: 1 round (with additional storage for up to 3 rounds) 
• Weight: 7 oz. 
• Finish Color: OD Green / Black 
• Action Type: Single Action 
• Safety Features: Will Not Fire When Closed 
   

Features 

The defining feature is the folding design — the pistol folds flat into roughly credit card dimensions, with a safety that physically prevents firing while closed. At 7 oz it's one of the lightest carry options available. The single-action .22 LR chambering is easy on recoil. Additional round storage inside the grip holds up to 3 extra rounds, though reloading a single-shot pistol is inherently slow. 
 
The 2.5-inch barrel is short even for a .22 LR, which limits velocity and effective range relative to longer-barreled .22 pistols. 
 

Usage 

The LifeCard suits use cases where extreme compactness and weight are the top priority — pocket carry, deep concealment, hiking or camping where size matters more than capacity. It is not a high-capacity defensive pistol and functions as a backup or last-resort option. Range use is straightforward for the caliber, though single-shot operation makes it a slow-pace experience.

The Trailblazer LifeCard in OD Green gets a predictably split reception, largely divided between buyers who value compact novelty and those who evaluate it purely on defensive utility.

Portability is the universal positive. Owners who specifically wanted something that disappears in a pocket or pack are satisfied with how flat and light it is. The folding mechanism gets attention as an interesting mechanical concept, and the OD Green finish is liked by buyers who preferred it over standard black.

Reliability is where feedback splits most significantly. Some owners report clean function at the range with standard .22 LR loads, while others encounter jams or misfires. Given the short barrel and minimal action, sensitivity to ammunition quality appears higher than in longer-barreled .22 pistols.

Caliber and capacity draw honest criticism. Many owners acknowledge that one round of .22 LR is a real limitation for serious defensive use, and discussions in forums regularly weigh the LifeCard against other ultra-compact backup options. This doesn't surprise buyers who researched it before purchasing — it comes up as a trade-off of the design, not a defect.

Price relative to capability is debated. Some owners feel the engineering and uniqueness justify the cost, while others prefer spending the same money on a higher-capacity backup option.