45ar in Webley revolver

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792mauser
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45ar in Webley revolver

#1

Post by 792mauser » June 5th, 2019, 7:42 pm

I picked up a Webley mk2 that has been cut for 45auto rim.
Anyone have any info on loading for this antique.



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Re: 45ar in Webley revolver

#2

Post by Suck My Glock » June 5th, 2019, 11:16 pm

I recall reading up on loading for the .455 Webely round back in the day, and it seemed all the loads were just about 100 fps slower than anything of equivalent projectile weight in .45acp. .45AutoRim was (unless I remember incorrectly) nearly identical load data as for A.C.P.

I would extrapolate from that that the Webely itself would not do well with a steady diet of what might be considered "warm" load data for .45acp. One fellow I knew back in the 80s who had one of these only loaded the lighter cast projectiles, like 185 and 200 grn. swc because he was paranoid of over-stressing the old girl.

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Re: 45ar in Webley revolver

#3

Post by shooter444 » June 6th, 2019, 7:51 am

792mauser,... I load 45 Auto Rim for my S&W 325PD ultra lite with full lead wad cutters and Trail Boss powder. I would have to double check, but, I believe Auto Rim brass isn't loaded any different than regular 45acp brass. I load all my straight wall, and some bottle neck calibers, with Trail Boss Powder, to produce very safe light loads, even at max capacity.

If you follow the load data for Trail Boss and start low, as recommended, you should realize just how safe the loads are, very quickly.

After many pounds, and many different calibers, for many years now,... I just go to max load and don't think twice, even with a new caliber, I have not loaded for,... that is how safe Trail Boss powder is, to me. Some guys don't like Trail Boss powder because it looks and measures different from ALL other powders, but, I have no problems and actually like it better because of my single stage press, one at a time, hands on 8-) loading style.

You may want to give it a try, I can't think of many other powders, for your specific situation, that would be as good.
Last edited by shooter444 on June 7th, 2019, 8:00 am, edited 1 time in total.
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Re: 45ar in Webley revolver

#4

Post by needsmostuff » June 7th, 2019, 7:26 am

What 444says is true for the cartridge but I would have some reservations about the gun.
A MKII is an old dude. Not real sure but I believe about 1894-1898ish . In any case , a gun designed for black powder. Due to the bulky nature of Trailboss it may well be your best bet but I would sure stay at the bottom end .
As far as loads try searching loads for the 455 Webley and starting loads should work well in the AR brass.
Bullets ? You will need to avoid jacketed and stay with a soft lead . I believe originally they used a hollow based bullet for expansion to the bore. Maybe find bullets cast for the webey.
They should be sized large, up to .455 or whatever is a snug fit in the cylinder chamber mouth.
The gun is well made and stouter loads probably will not grenade it but will hasten it becoming loose.
Top breaks have several stretchy points and can get pretty sloppy.
Where am I going and why am I in this hand basket ?

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Re: 45ar in Webley revolver

#5

Post by 792mauser » June 8th, 2019, 11:11 am

I ended up loading up 50 45AR with a 250gr lead round nose and a case full of Alliant black mz.

She's a handful.

Looked get up and, yup she's pretty much a black powder only revolver.

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Re: 45ar in Webley revolver

#6

Post by 792mauser » June 8th, 2019, 11:18 am

I love me some trail boss.
Use the snout out of it with 38 s&w, 38 special and 45 colt and even my 300 win mag.

Don't know why didn't think of trail boss for her.

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Re: 45ar in Webley revolver

#7

Post by shooter444 » June 9th, 2019, 7:20 am

So, let us know how Trail Boss works out for you,... you may want to consider dropping down to 200 grain lead, or less.
"A LIE REPEATED OFTEN ENOUGH BECOMES ACCEPTED TRUTH"... Nazi Propaganda minister-Joseph Goebbels

"IN THE AGE OF UNIVERSAL DECEIT, TELLING THE TRUTH IS A REVOLUTIONARY ACT"... George Orwell - author of '1984'

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