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Cas City Forum Hall & CAS-L  |  Special Interests - Groups & Societies  |  The Winchester Model 1876 (Moderator: Grizzly Adams)  |  Topic: Loading Data for the 45/75 0 Members and 2 Guests are viewing this topic. « previous next »
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Author Topic: Loading Data for the 45/75  (Read 41168 times)
greyhawk
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« Reply #100 on: August 21, 2017, 08:30:58 pm »

Hey Dusty
Thought you may be interested in molds I am using for my Uberti '76 (45/75 blackpowder)
Have posted some of this before in another spot -
I took a LEE 459-405 HB mold - was a little leery of the roundish nose - outta the box the nose would fit into a primer pocket - yeah some guys shoot round nose boolits in tube mags and get away with it ok (get away with it being the operative phrase I reckon) - but a full magazine '76 theres a pound of loaded rounds plus the recoil - too late afterwards eh! --- anyway I milled some of the top flat of this mold just increasing the flat meplat of the boolit some until it was a safe size - then I made a new base plug from brass to take out the bottom driving band and lube groove - was intending to fit it properly but have been using it loose as in the pic - - have cast a few hundred that way and its no great problem - boolit from this mold drops at 335 grains - I do have the LEE 340 grain mold but my opinion it dont carry enough lube for Blackpowder - second mold is the same 405HB - top milled the same for a wider flat point - and just took the tit off the base plug to make it a flat base rather than HB - this goes neat at 405 grain and we got three nice lube grooves - both these I crimp right into the top of the forward grease groove - I have cut my brass to suit - wished I didnt do that but had plans at the time to shoot some smokeless. My rifle shoots the 405 grain quite nice - doesnt seem to be any preference. I get very close to 1500fps from that 335 grainer over 67 grains of BP - (roll yer own powder). At this stage cant really be bothered with smokeless. ----oh both those molds I drilled the hole in the sprue plate bigger.     


* 335 grain LEE mold.jpeg (95.53 KB, 480x800 - viewed 36 times.)

* 405 grain LEE mold.jpeg (96.57 KB, 480x800 - viewed 36 times.)

* 45-75 one.jpeg (131.33 KB, 800x480 - viewed 46 times.)
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King Medallion
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« Reply #101 on: August 21, 2017, 08:35:46 pm »

The bullets are Laser Cast 350 gr. FN. I have some 405's but haven't tried them in the 76 yet, been using them in the 86.
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greyhawk
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« Reply #102 on: August 22, 2017, 01:56:08 am »

King
I went back and re read these posts .....kinda been repeatin meself here  Embarrassed
your laser cast pills look ok - price is good - I would be lookin to buy without the lube because of my blackpowder thing but I bet they would do that if ya needed it - You guys are so lucky havin all these goodies available - downunder we pretty much need to shift for ourselves (such a small market we are) - I probably say stick with the 350grain load - it works - aint broke dont fix it - 405gr you will definitely notice a bit more recoil (not that it is bothersome at all just a nice friendly push along with the boom of blackpowder - good fun!) Ballistics charts say we up around 1600ftlbs energy with those 335 - 350 grain boolits so its a useful load - most things shot with it should stay shot. Anyway - glad you are enjoyin "thumper".
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dusty texian
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« Reply #103 on: August 22, 2017, 06:09:55 am »

Greyhawk your custom mould makes a good bullet . The larger grease grooves are very good as a BP. bullet. I think the reason I'm getting away with the Lee 340 and its smaller groove's is the fact that I shoot a few rounds and wipe . Being mostly a hunter the first shot from a clean cold barrel is what concerns me most . Just the other day one of the Bp. loads that I was testing would put it's first bullet clean bore  on target just right. The next four shots without cleaning went into a small group 2-1/2 " 5 oclock from the first.  So I settle for a load that puts all /most bullets into the same spot cold, hot , dirty,or clean. Note my 40/60 wcf and my 45/75 wcf are the most forgiving   in this respect .,,,, DT
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King Medallion
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« Reply #104 on: August 22, 2017, 08:10:11 am »

Thanks for the info, fella's. I'm going to continue to continue the search for the best load for Thumper. I'm not a black powder shooter for the most part, I did try some AAP when I first got it rifle and was not impressed with the accuracy at all. I don't cast myself, but I do have a Lyman lube/sizing machine, just don't know where to get black powder bullets without lube. Of course, truth be told, I haven't really looked either.
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greyhawk
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« Reply #105 on: August 22, 2017, 01:26:36 pm »

Greyhawk your custom mould makes a good bullet . The larger grease grooves are very good as a BP. bullet. I think the reason I'm getting away with the Lee 340 and its smaller groove's is the fact that I shoot a few rounds and wipe . Being mostly a hunter the first shot from a clean cold barrel is what concerns me most . Just the other day one of the Bp. loads that I was testing would put it's first bullet clean bore  on target just right. The next four shots without cleaning went into a small group 2-1/2 " 5 oclock from the first.  So I settle for a load that puts all /most bullets into the same spot cold, hot , dirty,or clean. Note my 40/60 wcf and my 45/75 wcf are the most forgiving   in this respect .,,,, DT

yup ! first one is the money shot hey - interesting how some guns will do this way easier than others - 
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Trailrider
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« Reply #106 on: August 22, 2017, 10:25:27 pm »

Have you thought about IMR4198? If you can't get Unique can you get Hodgdon's Universal?  I haven't loaded  .45-75, but IMR4198 works pretty well in a .45-60 original M'76. with a 300 gr bullet cast from Lyman #2 equivalent mix.
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Coal Creek Griff
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« Reply #107 on: August 22, 2017, 10:53:48 pm »

I've had promising results with IMR4198 and my Accurate Molds 350 grain bullet,  fired from my Uberti 45-75.

CC Griff
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greyhawk
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« Reply #108 on: August 23, 2017, 12:59:07 am »

I've had promising results with IMR4198 and my Accurate Molds 350 grain bullet,  fired from my Uberti 45-75.

CC Griff
I have not felt the need to go there with smokeless - 1) velocity is good - getting 1480 - 1490fps with the 335grain boolit 2) accurracy is good - or at least as good or better than I can hold /see  3) re loading is easy (I have loaded a lot of Blackpowder shells over the years - its no big deal - maybe a little slower is all) 4) Roll yer own powder works out about $2 per pound 5) zero risk of blowin up my favourite shooter with a crook load of smokeless.   The only possible downside to shootin black is the cleanup and I like handling this rifle anyway so that dont count for me - takes all of five minutes. In case you all think I am totally biased I just spent a couple hours working with a 25/303 and smokeless - 43.5 grains of 760 winchester powder / 75 grain hornady HP / 4 to 16 power scope - this is a workhorse for my son to cull feral pigs with - some places ya just cant use blackpowder !!!!.......would be kinda fun to get amongst a mob of them with that 45/75 one day too....... 
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frimath
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« Reply #109 on: September 12, 2017, 03:12:26 pm »

So here is my data:
Bullet: Lee Mould- 385 grain flat nose hollow base made of pure lead(! I was surprised too!) SPG lube used in grease grooves and in base cavity
Primer: Federal Magnum Primer # 215
Powder: 68.5 grains FFG GOEX brand
Frankly I thought I was using a 5 grain of 4759 for a duplex load in the base of the case . But it doesn't look like I was! It shoots pretty clean

Smokeless Loading:
Bullet: 350 grain Hardcast Round nose-flat point solid base ( I forget who the manufacturer is but probably got them from Dave Gullo at buffalo Arms Co.)
Primer: Federal (or any other ) Large Rifle 210 or M210 (match)
Powder: 23.5 grains of Accurate 5744

If I could figure out how to post photos I would post my targets from 50 yards. Both of these loadings shoot point of aim at 50 yards through my Uberti NWMP Carbine. I love it. But I did cheat and had the front sight raised to lower the point of impact to the point of aim.

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greyhawk
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« Reply #110 on: September 12, 2017, 05:18:35 pm »

Frimath
thanks for posting
Your LEE 385 grain HB --? is that their 459 - 405 - HB with a bit of a nose job ? or have they another mold I missed ?
 
68.5 grains of FF Goex would be a heavy compression load for me - yeah it would work but haveta lean on it to make it fit -

 I am  using 348 winchester cases - they are extra tough n I think ya lose a few grains powder space - it takes four full blackpowder loads to blow em out to shape

I did try the duplex load you listed when I was using cheap and dirty chinese powder - it worked ok, but I preferred 4227as a starter - chrony was more consistent -- however the SR4759 was old ---- like at least forty years old - its a wonder it even lit off - since switching to my own powder - dont need the duplex for clean burn so I dont use it - one less thing to do .

My rifle seems to like the 405 grain boolit just as well as the lighter ones - I use that same LEE 459-405-HB - with a nose job and a flat base plug - I really like the shape of it and you get decent lube grooves without the craziness of some of the big lube designs.

Well thanks for posting -- one o these days I might even try your smokeyless load .
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Cas City Forum Hall & CAS-L  |  Special Interests - Groups & Societies  |  The Winchester Model 1876 (Moderator: Grizzly Adams)  |  Topic: Loading Data for the 45/75 « previous next »
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