The 45-90 was built for express loads in the 1886 partly because the 1886 had a limited OAL and the Sharps version was too long for the 1886. I recall the 1886 had a slower twist. I believe it's the same case as the 45-2.4, but the 45-2.4 had a faster twist than the 1886.


I prefer classic.
Semper Fi
I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally