For those using the H&K M230 Grenade Launcher, here is a holster designed for it by S&S Precision... "The S&S Precision Grenade Launcher Holster is designed to retain the standalone HK GLM/M230 GL. It mounts onto Webbing / PALS using Trifecta Connecta™ and GRT - Webbing Adapter (both included) Left and/or right side versions are available!"