The largest of our Tactical Response Series“ the TR-4 offers a great multi-purpose 4in blade, secondary slide safety, built in 416 hardened stainless steel glass breaker at butt end, a MOLLE adaptable custom sheath, and the superior coil spring action Pro-Tech is famous for.
Originally designed to fulfill a specific US military requirement the TR-4 has proven to be a perfect choice for anyone looking for a full sized, options packed automatic folder.
While most TR-4 feature 154-CM blades – From time to time we will run some TR-4 with CPM-D2 steel. Check with your local dealer for info on TR-4 models in stock.
Black handle with a feather texture, the blade is CPM-D2 with DLC Black coating ALL BLACK hardware, Plain Edge.
