Pro-Tech TR-4 Feather Blue – 4.00″ MagnaMax Stonewash Plain Edge Drop Point Blade, Blue Feather Textured Aluminum Handle – T4105FMMBLUE

The TR-4 — Tactical Response 4 — pairs a blue aluminum handle in Pro-Tech’s feather texture with a stonewashed MagnaMax drop point blade. A steel secondary safety switch locks out the button to prevent accidental deployment, and a built-in glass breaker adds emergency utility to this full-size automatic. Blasted hardware and a blasted long deep-carry clip round out the package, all designed, engineered, and built in Placentia, California. ⚠️ This is an automatic knife — automatic knives are restricted or illegal in some states and municipalities; verify your local and state laws before purchase or carry, and see akti.org for a state-by-state reference.

• MagnaMax steel, drop point blade, stonewash finish — 4.00-inch blade delivers elite edge retention and toughness
• Button Auto lock mechanism with steel secondary safety switch — fast deployment with a built-in lockout to prevent accidental firing
• Blue feather-textured 6061 aluminum handle with a built-in glass breaker — full-size tactical build in a standout colorway
• Blasted hardware and blasted long deep-carry pocket clip, right-hand configuration — made in Placentia, California

This is the TR-4 for buyers who want a full-size tactical automatic with a built-in safety switch and glass breaker, and for anyone who wants MagnaMax steel in a standout blue colorway — provided you’re in a state where automatic knives are legal to own and carry.

Specifications