I have a 308 and a 243 RPR both gen 1. They both shoot 1/2 moa at 100. The 243 is very accurate , can stack bullets at 100. Will probably have to replace the barrel pretty soon. Both are good to 1000yds. I shoot a 110 SMK in the 243 and Hornady 178 ELD in 308. Useing either Varget or IMR 4064...