The S&W Knife M&P OTF is a spring-assisted knife (brand part no. 1181878) from SW Knives, built with a 3.5-inch AUS-8 stainless steel spear point blade in a black matte stainless steel handle. A push of the large finger actuator on the spring-loaded release starts the blade forward for single-action deployment, and the tip-down pocket clip keeps it riding secure for quick, discreet access. A built-in safety lock and hardened glass breaker add practical everyday carry utility to this 12.65-inch overall knife.

Key Specifications

• The 3.5-inch AUS-8 stainless steel blade carries a spear point profile for balanced piercing and cutting.
• The stainless steel handle is finished in black matte and measures 12.65 inches overall, opening to 8.7 inches.
• A spring-assisted OTF mechanism deploys via a large finger actuator on the spring-loaded release.
• A safety lock and hardened glass breaker add everyday and emergency utility.
• A tip-down pocket clip keeps the knife secure and accessible.

Frequently Asked Questions

Is this knife fully automatic? No, it’s spring-assisted: pressing the large finger actuator starts the blade and spring tension completes deployment.

What steel is the blade made from? AUS-8 stainless steel, a widely used blade steel valued for a solid balance of edge retention and corrosion resistance.

Buy the S&W Knives M&P OTF Knife 3.5-inch AUS-8 Spear Blade, Tip-Down w/ Safety

Order the S&W Knife M&P OTF for fast, spring-assisted deployment backed by a reliable safety lock. Browse our full automatic knives lineup and get it shipped fast from Schaefer Defense.