45 Auto Rim Consideration...

[Encore64]

My LGS has an excellent used Ruger Bisley 45 Convertible in at a very reasonable price.

The 45 acp cylinder is exceptionally tight with under .003" barrel gap. It's also fluted and very attractive.

I am considering buying this gun and having the cylinder turned down a bit to create a 45 Auto Rim Bisley.

Have always wanted one with no real explanation.

[sashtr]

Just curious. Why Auto Rim versus just Auto?

[Encore64]

It has a rim. Can use a roll crimp for heavier loads without bullet creep.

Can still shoot standard 45 acp in the cylinder.

[theoldredneck]

Did it with a different type revolver a few years back and it worked fine. Old fingers like rims.

[Encore64]

Starline brass is strong. With published 460 Rowland load data it would be easy to come up with some powerful, but safe loads.

I would consider 30,000 psi about max for wall thickness.

With Longshot powder and a few others, considerable power would be easy.

[ddixie884]

.45AR is a really good rnd, cheap to load and accurate. You will like it.........

[magnumwheelman]

I have a custom built Blackhawk ( started life as a 30 carbine Blackhawk ) that is now a 45 Colt / 45 Autorim revolver... the autorim is one of those "got the brass, better get a gun for them" situations, as I was able to get about 1/2 a 5 gallon bucket of unfired Remington cases, for scrap price... there had been some mouse activity, but I got them, just after I started wet tumbling, & with a little sorting, & a bunch of wet tumbling, I think I ended up with 3-4000 good cases... so... 1st I went out & bought a 1917 Colt revolver in 45 Autorim... & then commisioned the Ruger conversion... I sold off the extra cases ( keeping 2000 ) at the 1st gun show I put them on the table... I will admit I don't shoot the Blackhawk in 45 Autorim too often, but that has more to do with having too many guns to shoot, than not liking shooting the autorim... I have some hot loads loaded for the Ruger, & some factory duplicate loads loaded for the Colt

[shorty500]

Since am fond of the S&W 625 .45ACP I always have a ton of AR brass too, have modified a couple or 3 of my Blackhawk/Vaquero too chamber the AutoRim by chucking cylinders in Super Spacer on mill and cutting counter bore to headspace off the rims

[Frank V]

encore64
I think it'd be a good improvement to be able to use both.
I know a fellow who has a Ruger SA .45ACP, he carries spare ammo in a 1911 magazine & says it's pretty easy to reload the gun that way.
If I had one that's how I'd carry spare ammo, won't rattle either.

[sashtr]

Thanks Now I know.

[warhawk]

Is the Auto Rim brass any stronger than ACP brass? For a Smith & Wesson 625.

[Encore64]

Starline has on their website that their 45 Auto Rim is made strong like their 45 Colt brass.

In return, the say their 45 Colt brass is as strong as 44 Magnum brass.

I think the short answer, at least for Starline brass, is yes.

[magnumwheelman]

I think even the R-P brass is stronger... the base is much thicker than ACP brass

[Encore64]

I am at the point that I believe it would make a fine trail gun with a measly appetite for powder.

[4597]

I would like to see some data using "Longshot" with 200 or 230 gr. bullets.