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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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Homer
.416 member


Reged: 07/04/09
Posts: 3081
Loc: Canberra, Australia
My latest "Big Bore".....?
      09/04/12 09:13 PM

G'Day Fella's,

Well.....in theory, 0.4515", is a Big Bore diameter........isn't it?

Anyway, I finally got a chance to chrono the maximum recommended loads for my Winchester 92 lever gun, in .45Colt.

Please see below for all the gory details;

Winchester 1892 (new/current production, made by Miroku in Japan).
20" / 508mm barrel
W-W cases
CCI 300 LR primers
ADI AR-2205 (H-4227) powder
Frontier Bullets (of RSA), Game Ranger 300 grain CMJ (Complete Metal Jacket) bullets.

24.5 grains of AR-2205 = 1461 & 1469 fps
25.0 grains of AR-2205 = 1508 & 1524 "
25.5 grains of AR-2205 = 1529 & 1542 "
26.0 grains of AR-2205 = 1566 & 1565 " ***This was the recommended Maximum powder charge***

All of these loads extracted easily/normally and the cases show absolutely no signs of any kind of excessive pressure. I'll mike the case heads up tomorrow, to see what if any case head expansion has occurred!

To say this was a lively little rifle to shoot, was an under statement! OUCH!!!

When I remember to, I'll get some CCI LR magnum primers (CCI #350?), reduce the powder charge by 2 grains (back to 24.0 grains) and work up from there.

Special thanks to Daryl S and others for their advice and assistance with this project!!!

Doh!
Homer

--------------------
"Beware the Lolly Pop of Mediocrity,
Lick it Once and You Will Suck Forever"

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Entire topic
Subject Posted by Posted on
* My latest "Big Bore".....? Homer 09/04/12 09:13 PM
. * * Re: My latest "Big Bore".....? DarylS   10/04/12 03:27 AM
. * * Re: My latest "Big Bore".....? DarylS   10/04/12 03:33 AM
. * * Re: My latest "Big Bore".....? Homer   11/04/12 06:37 PM
. * * Re: My latest "Big Bore".....? Homer   14/04/12 08:24 AM
. * * Re: My latest "Big Bore".....? DarylS   15/04/12 02:00 AM
. * * Re: My latest "Big Bore".....? Homer   16/04/12 07:29 PM
. * * Re: My latest "Big Bore".....? DarylS   17/04/12 12:38 AM
. * * Re: My latest "Big Bore".....? JFE   17/04/12 08:41 PM
. * * Re: My latest "Big Bore".....? DarylS   18/04/12 01:04 AM
. * * Re: My latest "Big Bore".....? Homer   02/07/12 04:54 PM
. * * Re: My latest "Big Bore".....? NitroXAdministrator   03/07/12 01:28 AM
. * * Re: My latest "Big Bore".....? Homer   03/07/12 07:40 PM
. * * Re: My latest "Big Bore".....? DarylS   05/07/12 11:32 PM
. * * Re: My latest "Big Bore".....? Homer   06/07/12 04:57 PM
. * * Re: My latest "Big Bore".....? Smoke73   14/08/12 07:21 AM
. * * Re: My latest "Big Bore".....? DarylS   14/08/12 07:29 AM
. * * Re: My latest "Big Bore".....? DarylS   03/07/12 01:47 AM

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