The Trailblazer LifeCard is a single-shot .22 LR pistol with one distinguishing characteristic: it folds flat to 3.375" x 2.125", about the size of a credit card. At 7 oz. with a concrete anodized finish, it disappears in a pocket or bag with minimal bulk. 
 

Key Specifications 

• Model: LifeCard 
• Caliber: .22 LR (Long Rifle) 
• Barrel Length: 2.5 inches 
• Capacity: 1 round 
• Weight: 7 oz. 
• Finish: Concrete Anodized 
• Manufacturer: Trailblazer Firearms 
• Type: Single Shot Pistol 
   

Features 

The folding ambidextrous design collapses to credit-card dimensions (3.375" x 2.125") and the pistol will not fire when closed -- that safety is built into the mechanism, not a separate lever. The barrel and trigger are Isonite SNB treated steel; the frame is hardcoat anodized aluminum. A built-in storage compartment holds three extra .22 LR rounds. 
 
The obvious limitation is single-shot capacity, which puts the LifeCard firmly in backup or deep-carry territory rather than primary defense. Its strengths are weight and concealability -- it's useful for hikers wanting minimal snake or small pest deterrent, urban carriers who want something that truly disappears, or as a pocket option during travel. The .22 LR caliber keeps recoil light and ammo cost low.

The LifeCard tends to polarize opinions along predictable lines.

Portability gets consistent praise -- the folding form factor is genuinely unusual, and people who prioritize concealability appreciate that it carries like a wallet rather than a gun. The ambidextrous design is a practical detail that left-handed users notice.

The .22 LR caliber drives most of the debate. Its low recoil and cheap ammo make it accessible for practice and plinking; the stopping power question for self-defense comes up in nearly every serious discussion. Most experienced shooters position it as a backup or secondary weapon rather than a primary carry.

Build quality feedback is split -- some find the materials solid, others have noted reliability or durability concerns with heavier use. Accuracy at short range is generally fine; longer distances expose the 2.5" barrel's limitations.

On price, most consider it reasonable for something this specialized, though the debate about whether comparable money buys a more capable pocket pistol is fair and common. The LifeCard makes sense for a specific buyer: someone for whom size is the dominant factor and who understands what a single-shot .22 is and isn't.