I haven't bought any 17HMRs or 17HM2s lately, but I have put Weaver V16s, 4-16x42AO, and Bushnell A17s, 3.5-10x36AO, on a few heavy barreled 17 rimfires. I put Weaver RV7s and RV9s on light barreled 17 rimfires.