argrendel
Silver $$ Contributor
I just picked up a Tac A- in 260. I will try the 140-147 g bullets eventually, but I have a surplus of Lapua 120L, 123 Scenar, Nosler CC, 120 SMK, and a few 130 Berger Hybrids. Figured I should send these before buying more, unless they aren’t accurate.
I started with H4831, but don’t have enough case capacity to get good velocity. Will be buying H4350 soon.
so I used Varget. 37-39 grains. 22” barrel.
at 38.5 and 39 grains there was a very slight shiny spot on the case head. No flattened primer or hard bolt lift. I only got 2841 and 2849 FPS with the highest two charges. With a 22” barrel, is that max velocity? Was hoping for close to 3000 without overpressure.
the 130 Bergers were in the low 2700s.
searching this site, some are reaching 2950-3000, but maybe with long barrels.
thanks,
Terry
I started with H4831, but don’t have enough case capacity to get good velocity. Will be buying H4350 soon.
so I used Varget. 37-39 grains. 22” barrel.
at 38.5 and 39 grains there was a very slight shiny spot on the case head. No flattened primer or hard bolt lift. I only got 2841 and 2849 FPS with the highest two charges. With a 22” barrel, is that max velocity? Was hoping for close to 3000 without overpressure.
the 130 Bergers were in the low 2700s.
searching this site, some are reaching 2950-3000, but maybe with long barrels.
thanks,
Terry