Sabre Red 1.33% MC 1oz Stream (MK-20)Target acquisition confirmation UV marking dye 5 year shelf life The Sabre Red 1. 33% MC 1. 0 oz (MK 20) Stream deploys 10 full one second bursts at a range of 10 ft. The SABRE MK 20 is the quickest and easiest to draw duty belt aerosol technology. The sturdy metal duty belt clip eliminates the unnecessary expense of a holster. The metal clip can be changed to fit either side allowing for left or right handed operation. Featuring a 5 year shelf life,