38-40 Loading

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38-40 Loading

#1 Post by Garys38WCF » Wed Jun 12, 2019 11:14 pm

Hi there from Corpus Christi Texas!
I have a lot to share but tonight I have a question for you guys.

I’ve been searching high and low on the internet for 38-40 load data using Reloader 7. If anyone can help me out I’d greatly appreciate it.



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Re: 38-40 Loading

#2 Post by GunnyMack » Thu Jun 13, 2019 4:59 am

Welcome aboard! Personally I have no help to offer but I'm sure someone will come along with data that will work.
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Re: 38-40 Loading

#3 Post by OldWin » Thu Jun 13, 2019 7:53 am

Welcome to the fire!
The 38WCF is one of my favorite cartridges. Unfortunately, I have never used Reloader7 in this cartidge. It is a safe bet some of these ole boys will be along soon to help, however.
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Re: 38-40 Loading

#4 Post by Leverluver » Thu Jun 13, 2019 10:39 am

I have an old loading leaflet they used to put out that had some surprising (smoking) speeds for RE7 in the 38-40 at standard pressures. I haven't seen that data published (by Alliant) since. All the 38-40 current data will be found in the wimpy CAS load data. I am sure that Alliant brochure is buried somewhere but I'll see if I can find it.

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Re: 38-40 Loading

#5 Post by 3leggedturtle » Thu Jun 13, 2019 10:41 am

Welcome to the Best Gun Enabler's forumn in the web. Google "RL7 in 38/40" you will find quite discussions on this. Alliant's manual will pop up and shows 25.8 grs. Todd/3leg
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Re: 38-40 Loading

#6 Post by Shasta » Thu Jun 13, 2019 11:19 am

First of all, welcome to the Leverguns campfire. Lots of good info hereabouts.

Dunno if it helps, but I use 25.0 gr. Re7 in my .44-40 with a 205 gr. bullet with excellent results.

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Re: 38-40 Loading

#7 Post by Sixgun » Thu Jun 13, 2019 11:57 am

I personally think RL7 is too slow a powder to work reliably in the 38-40 unless your using full power loads or jacketed bullets.

Park it to the side and make it easy on yourself and use a fast to medium rate powder such as Unique. That makes it a no-brainer.----6
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Re: 38-40 Loading

#8 Post by Garys38WCF » Fri Jun 14, 2019 8:49 am

Wow such fast responses! Thank all of you for your inputs. I really am glad I found this forum full of helpful knowledgeable guys!👍

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Re: 38-40 Loading

#9 Post by earlmck » Fri Jun 14, 2019 10:50 am

Shasta's load 205bullet/25gr RL7 is the same as I load for a full-power load in my m92. It has the nice property of being a compressed load and so my 205 grain bullet with a kinda' skimpy crimp groove can't slip the crimp and push deeper in the case.

I don't shoot this in my old '73, however. It is a fine load for the stronger m92 action but pressures certainly exceed those intended in the old '73 rifles. QL thinks this load should give 23k psi or so. And while playing around in QL I see that a compressed load of 3031 would essentially give black-powder type pressures and velocities (13k psi, 1280 fps). I may have to give this a try sometime because that load range is what I have been using for our lever-action silhouette shoots.
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Re: 38-40 Loading

#10 Post by gundownunder » Sun Jun 16, 2019 4:07 am

2005 edition of the Alliant reloaders guide lists 2 loads with Reloder 7
25.8 grains behind a 150 gr Sierra JHP for 1745 fps and 13500 psi
24.0 grains behind a 180 gr Sierra JHP for 1610 fps and 13400 psi

Lee's second edition of modern reloading also lists 2 loads with Reloder 7
180 gr jacketed 23.5 gr at 1601 fps to 25.8 gr at 1745 fps for 13500 psi
200 gr jacketed 22.1 gr at 1492 fps to 24.0 gr at 1610 fps for 13400 psi

I know they are jacketed loads but I would happily use them as a load with cast, just as I do when I look for loads for my 32-20.
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