Close-quarters defense demands tools that are compact, accessible, and purpose-built for the realities officers and responsible citizens face. When space is limited and an assailant is attempting to control a handgun or when a firearm cannot be reached, a dedicated edged tool carried for immediate retention and concealment can be decisive.

KA-BAR TDI is a larger version of the well-known TDI Law Enforcement Knife designed to be a last-option defensive implement in extreme close-quarter encounters.

Design and Purpose

The KA-BAR TDI is engineered specifically for retention and concealment. As a larger iteration of the TDI Law Enforcement Knife, it retains the compact footprint that allows the entire unit—knife and sheath—to sit discreetly on a pant or duty belt. That concealment profile is intentional for law-enforcement and defensive roles where accessibility must not compromise position or draw speed.

Notable Features

Key features from the product description include the purpose-driven shape and the MOLLE-compatible hard plastic sheath. The sheath is fitted with reversible nylon webbing straps, enabling quick mounting to pant and duty belts, tactical vests, and MOLLE platforms. That versatility lets the carrier place the tool where it can be accessed reliably under stress.

Materials, Brand, and Model Context

Made by a reputable cutlery name in the defense space, the KA-BAR TDI pairs Ka-Bar’s established reliability with a design by John Benner, founder and owner of the Tactical Defense Institute. The listing identifies the model as Various under the Ka-Bar brand and places this product squarely in the Knives category for tactical and duty use. At an entry price of $56.99, it offers a cost-effective option for agencies, trainers, and individuals seeking a purpose-built backup knife. View product details and pricing

Applications and Carry Considerations

Intended for extreme close-quarters scenarios—specifically when a suspect is attempting to take an officer’s handgun or an officer cannot access their firearm—the KA-BAR TDI is a deliberate, last-option tool. Training with retention, draw mechanics, and legal considerations is mandatory before placing this tool into an operational role. The reversible strap sheath and low-profile belt carry make it practical for duty rigs and covert carry alike.

For a focused, concealable defensive knife built with law-enforcement scenarios in mind, the KA-BAR TDI balances concealment, mounting flexibility, and affordability. Check current availability

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