opinions of best twist rate for 45

[Wirehair]

Bobby Hoyt made a .45 barrel for me and recommended a 1:56 twist. The accuracy sweet spot is around 55-60 grains.

 

[longcruise]

Oh, just for matches, paper and sillhoettes.

You are probably good with just about any of the typical rates for a 45.

the green mountain Kibbler barrel in 45 has a 1-72 this is one of the reasons i asked. i have built several of them and in the middle of one now and have another on the way. this is the SMR i speak of, they shoot good with 55gr. of 3f, but i really have no idea why Jim went with a 1[72 twist in a 45 barrel.

Maybe there is something to be learned there.

The ultimate slow twist is a no twist smooth bore. I don't shoot them but many of our members seem to get pretty good accuracy with them. The "conventional wisdom" applied to round balls is the larger the ball the slower the twist. And the reverse, the smaller the ball the faster the twist.

If Kibler's SMR shoots as well as reported, and I believe the reports, maybe the degree of twist for our RB guns is less relevant than we think ????