I shot an 18" for PRS last season. I got a bit over 2900 with the 123s (SMK/ELD), and 2600-2650 with the 140ELD/142SMK/143ELD. All using a comfortable load in Peterson brass. I don't remember what the 123 load was, but the 140 class was 41.4g of H4350. Not exactly a smoking load. I could...