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Cold Lake Kid, SASS # 51474

45-70 500 grain bullet Powder charge

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Does anyone know where I can find published recipes for a 500 grain bullet and smokeless powder?

I'm shooting a Pedersoli Sharps as well as a Rolling Block, a Hi-wall and a Trapdoor. 

Yes, I do like 45-70's

Why do you ask?

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Lyman publishes a cast bullet loading manual with this type of data I have an old 4th edition that I use.  I shoot a rolling block and use 500 gr tips as well.  The book lists several types of powders and charges for several bullet weights and styles

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https://www.hodgdon.com/wp-content/uploads/2018/12/trail-boss-reduced-loads-2018.pdf
 

Quote

 


1) Find where the base of the bullet to be loaded is located in the case and make a mark on the outside of the case at this location. Then fill the case to that mark with Trail Boss, pour into the scale pan and weigh. This is your maximum load. Pressures will be below the maximum allowed for this cartridge and perfectly safe to use!

 

2) Take 70% of this powder charge weight (multiply the maximum load from step 1 by .7), and that is your starting load.

 

3) Start with this beginning load and work up to your maximum charge, all the while searching for the most accurate reduced load. Once found, the fun begins!

 

 

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http://stevespages.com/458_1_500.html

500 Grain Bullet

AA-2015 From 36.0 grains to 49.3 grains

Winchester WLR Primer

AA-2495 From 41.4 grains to 46.0 grains

Winchester WLR Primer

AA-2520 From 50.5 grains to 56.0 grains

Winchester WLR Primer

AA-2700 From 41.4 grains to 46.0 grains

Winchester WLR Primer

AA-3100 From 54.0 grains to 60.0 grains

Winchester WLR Primer

AA-4350 From 52.2 grains to 58.0 grains

Winchester WLR Primer

AA-5744 From 27.9 grains to 31.0 grains

Winchester WLR Primer

AA-8700 From 54.0 grains to 60.0 grains

Winchester WLR Primer

AR-2206 From 45.0 grains to 55.0 grains

Winchester WLR Primer

AR-2208 From 47.0 grains to 57.0 grains

Winchester WLR Primer

BL-C(2) From 34.0 grains to 53.0 grains

Winchester WLR Primer

BM-2 From 44.0 grains to 54.0 grains

Winchester WLR Primer

H-322 From 42.7 grains to 51.2 grains

Winchester WLR Primer

H-335 From 49.0 grains to 53.0 grains

Winchester WLR Primer

H-4198 From 25.0 grains to 41.0 grains

Winchester WLR Primer

H-4227 From 32.0 grains to 34.0 grains

Winchester WLR Primer

H-4831 From 54.0 grains to 60.0 grains

Winchester WLR Primer

H-4895 From 50.0 grains to 57.0 grains

Winchester WLR Primer

IMR-3031 From 44.0 grains to 53.1 grains

Winchester WLR Primer

IMR-4064 From 43.4 grains to 55.0 grains

Winchester WLR Primer

IMR-4198 From 35.0 grains to 47.6 grains

Winchester WLR Primer

IMR-4320 From 48.0 grains to 51.0 grains

Winchester WLR Primer

IMR-4895 From 42.4 grains to 53.2 grains

Winchester WLR Primer

N-135 From 44.2 grains to 54.8 grains

Winchester WLR Primer

RL-7 From 35.0 grains to 45.5 grains

Winchester WLR Primer

Varget From 49.0 grains to 55.0 grains

Winchester WLR Primer

X-Terminator From 45.0 grains to 49.0 grains

Winchester WLR Primer
  

 

 

 

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1 hour ago, Cold Lake Kid, SASS # 51474 said:

Does anyone know where I can find published recipes for a 500 grain bullet and smokeless powder?

I'm shooting a Pedersoli Sharps as well as a Rolling Block, a Hi-wall and a Trapdoor. 

Yes, I do like 45-70's

Why do you ask?

You really should go to the dark side.:ph34r:

OLG

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My smokieless loads with Reloader 7, Varget, IMR 4895 and H-4895 Fall about in the Middle of John Boy's  suggested load range ....

And with AA 2015, H-4831 and AA 2495 they are close to his Maxiums listed .....

 

Jabez Cowboy

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6 hours ago, John Boy said:



Which of these loads are suitable for his Trapdoor ??


http://stevespages.com/458_1_500.html

500 Grain Bullet

AA-2015 From 36.0 grains to 49.3 grains

Winchester WLR Primer

AA-2495 From 41.4 grains to 46.0 grains

Winchester WLR Primer

AA-2520 From 50.5 grains to 56.0 grains

Winchester WLR Primer

AA-2700 From 41.4 grains to 46.0 grains

Winchester WLR Primer

AA-3100 From 54.0 grains to 60.0 grains

Winchester WLR Primer

AA-4350 From 52.2 grains to 58.0 grains

Winchester WLR Primer

AA-5744 From 27.9 grains to 31.0 grains

Winchester WLR Primer

AA-8700 From 54.0 grains to 60.0 grains

Winchester WLR Primer

AR-2206 From 45.0 grains to 55.0 grains

Winchester WLR Primer

AR-2208 From 47.0 grains to 57.0 grains

Winchester WLR Primer

BL-C(2) From 34.0 grains to 53.0 grains

Winchester WLR Primer

BM-2 From 44.0 grains to 54.0 grains

Winchester WLR Primer

H-322 From 42.7 grains to 51.2 grains

Winchester WLR Primer

H-335 From 49.0 grains to 53.0 grains

Winchester WLR Primer

H-4198 From 25.0 grains to 41.0 grains

Winchester WLR Primer

H-4227 From 32.0 grains to 34.0 grains

Winchester WLR Primer

H-4831 From 54.0 grains to 60.0 grains

Winchester WLR Primer

H-4895 From 50.0 grains to 57.0 grains

Winchester WLR Primer

IMR-3031 From 44.0 grains to 53.1 grains

Winchester WLR Primer

IMR-4064 From 43.4 grains to 55.0 grains

Winchester WLR Primer

IMR-4198 From 35.0 grains to 47.6 grains

Winchester WLR Primer

IMR-4320 From 48.0 grains to 51.0 grains

Winchester WLR Primer

IMR-4895 From 42.4 grains to 53.2 grains

Winchester WLR Primer

N-135 From 44.2 grains to 54.8 grains

Winchester WLR Primer

RL-7 From 35.0 grains to 45.5 grains

Winchester WLR Primer

Varget From 49.0 grains to 55.0 grains

Winchester WLR Primer

X-Terminator From 45.0 grains to 49.0 grains

Winchester WLR Primer

  

 


 


 

 

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While the Hodgdon web site doesn't list a 500 grain load, it does have a load for a 485 lead bullet.  The range for IMR 4895 and IMR 4198 loads is significantly lower than John Boy's list.  Those are Trapdoor type loads, which include Sharps and Rolling Block actions.

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Quote

Shooters Information Center

This Page is for the Benefit of Veteran and Novice Shooters of Trapdoor Rifles and Carbines.

!!! BOOK MARK IT FOR FUTURE REFERENCE !!!

http://www.trapdoorcollector.com/shooterstext.html

 

The smokeless & black powder 45-70 and other caliber powder charges plus bullet alloys are listed at the bottom of this Trapdoor website

Another source for trapdoor powder charges ...  https://www.thehighroad.org/index.php?threads/45-70-trapdoor-smokeless-loads.620790/

And here;s a duplex powder load .... A5744 can be loaded without fillers to approximate black powder ballistics, internal and external. The 5744 load is 40%, grain weight, of the original black powder load. For my older 45-70s, I match the 45-70-405 full load by using 0.4 x 70 grains = 28 grains of 5744. One heck of an accurate load and it chronys at 1275 or so.

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Thanks Pards

I'll start in the lower ranges of my in stock powders and see what kind of accuracy I can get as I work up.

My TB loads with a 350 gr bullet aren't bad up to the 200 yard limit at my range, but the new ranges under construction are going extend things quite a bit more.

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go to the BACO website and you will find a great deal of information.

 one of the most important factors controlling your bullet weight and powder charge is ROT.

kR

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