RSTA is a quiet can for just about anything, 300BLK on a short gun, 308 Semi auto, bolt gun etc. The Recce 7 is like the SDN6 or 762K. It's an average performer that is has a wide scope of application from 556 to 300blk, 6.8spc, 308 etc. The recce 7 sounds nice on bolt guns but is an average...