Testing some new bullets from Nick Nielsen (NSA). He said if I know what I'm doing, they should group under 2" at 100 yards. I took it as a challenge, but had my doubts (I've tested a lot of bullets)
These things are for real. 295gn HP with a cupped base. I weighed about 20 of them and quit because they were all within 3/10ths of 1 grain (on a 295gn bullet!) 3000psi fill, hammer adjusted to shoot 730-740fps. Call it 355 FPE. This setting and fill gave the tightest shots 1-3 spread. This group was shot "tethered" but not exactly.. My CF tank got down to 3100psi so I left it attached, with the valve open.
5 groups, averaging 1.9". The groups I "blew" were still under 3".. better than I've shot with other bullets at this distance.
These things are for real. 295gn HP with a cupped base. I weighed about 20 of them and quit because they were all within 3/10ths of 1 grain (on a 295gn bullet!) 3000psi fill, hammer adjusted to shoot 730-740fps. Call it 355 FPE. This setting and fill gave the tightest shots 1-3 spread. This group was shot "tethered" but not exactly.. My CF tank got down to 3100psi so I left it attached, with the valve open.
5 groups, averaging 1.9". The groups I "blew" were still under 3".. better than I've shot with other bullets at this distance.