TacKnives MT3DBRTS OTF is a variation of the ever more popular model MT3 OTF. It essentially the same knife except it is painted with a purple metallic color. The knife sports a black tanto partially serrated blade. The handle has a triangle pattern to improve grip.

MT3DBRTS OTF comes with a stainless steel pocket clip for tip-down carry. It is also equipped with a ballistic window breaker at the end.

The OTF Assist Finger Actuator offers spring assisted opening action that flies open the blade at the push of a button. The blade will retract as well at the push of a button.