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Reusable-buckle extremity hemorrhage control
A 1.5" (38 mm) ratcheting tourniquet built around a stainless steel buckle instead of the standard polymer housing, intended for users who want a more durable, corrosion-resistant tightening mechanism for long-term carry, marine/wet environments, or repeated training reps.
The stainless steel buckle is a hardware variant of the same 1.5" ratcheting mechanism family evaluated in the studies below. These studies tested the RMT with standard polymer buckles; no independent peer-reviewed testing specific to the stainless steel buckle variant was identified, so the findings below should be read as evidence for the ratcheting mechanism generally, not a validation of this specific hardware finish.
In a prospective simulated-arm study involving 176 untrained adults, the RMT achieved the highest effective-application rate among four tested commercial tourniquets, at 64.4%, and the shortest mean application time.
"The RMT was the most effectively and most rapidly applied."
A healthy-volunteer study of Tactical and Mass Casualty RMT configurations reported that 99% of RMT applications reached initial arterial occlusion; 1% lost occlusion during the one-minute observation period. Participants rated RMT application "97% easy."
A 2023 study had 64 participants apply eight tourniquet designs, including the Tactical RMT. Across the evaluated devices, ratcheting systems had fewer tightening-system mechanical problems than windlass systems.
"Self-securing systems have process advantages."
In a companion timing analysis, the Tactical RMT recorded a median 6.45 seconds from touching the tightening mechanism to a completed, occlusive and secure application in qualifying applications that began with an adequately tightened strap.
| Webbing width | 1.5 inches / 38 mm |
|---|---|
| Buckle material | Stainless steel (vs. standard polymer housing) |
| Ratchet mechanism | 0.75-inch ratcheting buckle and ladder strap |
| Instructions | Printed on webbing |
| Related CoTCCC-recommended configuration | Tactical RMT, NSN 6515-01-527-3841 (standard buckle) |
The Committee on Tactical Combat Casualty Care's 2019 evidence review included the Tactical Ratcheting Medical Tourniquet among its recommended nonpneumatic limb tourniquets. That recommendation applies to the Tactical RMT-T configuration tested in the underlying studies — not specifically to this stainless steel buckle hardware variant.
Effective tourniquet use depends on recognizing life-threatening bleeding, tightening completely, and verifying that bleeding has stopped. Receive hands-on instruction and practice with the exact model and buckle hardware you carry, since the stainless steel buckle's feel and grip may differ slightly from the standard polymer version.
