I have had several rounds that I thought were exceptional in flat shooting:
22/250 AI zero freebore-12 twist hart-27" 50's@4175; 55's at 4050-4075 fps
6 Rem AI 1-14 twist, 26" shilen, zero freebore- 70b ballistic tips at 4100 fps
270 Win-29" hart- 90g sierra@3900 fps
270 win-24" Ruger factory SS barrel-110g tripple shocks and
110g Sierra's at 3550 using R#17 and fed 215's.
6.5 Rem Mag AI-29" hart barrel-85g at 3900fps
257 Weatherby 26" Pac Nor-Zero freebore-100's@3850; 85's at
4130. 12" twist, 30" hart in the same
with the 100g Sierra at 4000 fps
7mm stw-26" Pac Nor Super Match, three groove, zero freebore, 120's at 3850 shooting very tiny groups in the high 2's and low 3's.
22/250 AI zero freebore-12 twist hart-27" 50's@4175; 55's at 4050-4075 fps
6 Rem AI 1-14 twist, 26" shilen, zero freebore- 70b ballistic tips at 4100 fps
270 Win-29" hart- 90g sierra@3900 fps
270 win-24" Ruger factory SS barrel-110g tripple shocks and
110g Sierra's at 3550 using R#17 and fed 215's.
6.5 Rem Mag AI-29" hart barrel-85g at 3900fps
257 Weatherby 26" Pac Nor-Zero freebore-100's@3850; 85's at
4130. 12" twist, 30" hart in the same
with the 100g Sierra at 4000 fps
7mm stw-26" Pac Nor Super Match, three groove, zero freebore, 120's at 3850 shooting very tiny groups in the high 2's and low 3's.