I own these four semi auto 308/7.62 rifles-San Swiss Sig751, KAC SR25 EMC, HKMR7.62A1 and SCAR17S. I have never had or probably ever will have the need to use any of them as a battle rifle but I can say that if only one of them had to go it would be the SCAR. Both the HK and SCAR have Gieselle...