I don't "run" my guns or "run" just about anything on them. Also, none of my guns are "platforms". I maintain them up, not one other way about. 1 other advantage of the spuhr is a chance to use any buffer. I put in a hk m21e buffer in mine. https://lukasprvmo.acidblog.net/62878600/an-unbiased-view-of-situs-kasino