TekMat Long Gun Cleaning Mat Ruger Mini 1. TekMat Long Gun Cleaning Mat M1 Garand (ODG). TekMat Long Gun Cleaning Mat Remington 700. TekMat Long Gun Cleaning Mat SKS. This frustration was the driving force behind the creation of GunMagWarehouse and the reason we set out in 2012 to change the way shooters find the magazines they need.