Hey all,
I measured my twist in this rifle, 5 passes told me that it has a 1:10.25" twist rate.
Do you think this fast twist could be causing my low velocities with Retumbo, or is it something unrelated?
I don't recall being asked what twist rate I wanted when I ordered this rifle, just that it was cut rifled and rust blued.
Cheers.
416,
I need my ass kicked for quoting my load info [WITHOUT] referencing my load book, my 505 Gibbs loads are made up using H-4831 short cut powder, not Retumbo.
If you'll substitute Retumbo with H-4831 the speeds you seek will be there.
Very sorry for the fu-k up.
Gunner