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.310 loads (Read 1858 times)
OLD man
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Orpington Kent, England
.310 loads
Jun 11th, 2009 at 6:35am
 
Any help appreciated, I have a 310 bsa cadit, cases, 124grn heeled bullets, and a choise of 7reloader,numbers 1,2,3.4. Swiss powder, i will be shooting mainly 50/100yds. suggested loads and lubs? do you lube the exposed grove?
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Fred Boulton
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Re: .310 loads
Reply #1 - Jun 11th, 2009 at 7:07am
 
The .310 Cadet is not a black powder round. It was developed in 1900 by W.W.Greener and is believed to be the first purpose designed British smokeless round.
The best load is 4.2grn of Unique. Reloader7 is too slow. 8grn of 2400 is pretty good, but, in my experience is primer sensitive.
Bullets are best left as-cast and tumbled in Lee Liquid Allox.
This is a very accurate round, but accuracy falls off quickly if "hot" loads are used. Very popular at 50 / 100yds in the Uk in Historical Target events.
Fred.
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Orpington Kent, England
Re: .310 loads
Reply #2 - Jun 11th, 2009 at 7:33am
 
Thanks Fred looks like I will have to go shopping for some new powder, I also have a 32-40 would either of the powders be used in this case?
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Fred Boulton
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Re: .310 loads
Reply #3 - Jun 11th, 2009 at 3:53pm
 
I use 12.7grn of reloader7 in a .300 Sherwood BSA with a 130grn bullet.
I would have thought that it would be OK in 32-40 but I don't know how much to use! Time to dig out the old reloading manuals or look in the site archives.
Fred.
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Re: .310 loads
Reply #4 - Jun 12th, 2009 at 5:03am
 
Fred,
Once again many thanks for the info.   
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Cat_Whisperer
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Werndl

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Mountains of Virginia, Virginia, USA
Re: .310 loads
Reply #5 - Jun 27th, 2009 at 8:42pm
 
Fred -  I tried RL7 in my 30-30 behind a 311410 (130gr).  A bit of unburned powder (11.7 and 13gr.)  Is that your experience as well?  Mine were well crimped.

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Fred Boulton
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Re: .310 loads
Reply #6 - Jun 28th, 2009 at 12:12pm
 
I get a few granules of RL7 residue in the barrel of my Sherwood--not enough to worry about. I don't crimp anything unless it is fed through a magazine.
Fred.
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6mmintl
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Re: .310 loads
Reply #7 - Jul 29th, 2009 at 11:52pm
 
Martini 310 Cadet Rifle Reloading

I recently picked up a 310 cadet rifle with a very nice bore and had to replace the custom Mahogany butt and forestock with originals; barrel marked 32-20 and bore measured .3235 (8mm)

My chamber measures .359" at base and .344" at a trimmed cartidge length of 1.060".

I looked at various bullets and bullet molds for reloading and decided on:

1.  Is a total copper plated lead bullet from Buffalo Arms for the 8mm Lebel pistol, ($.12 each) weighting 100 grains and has a .330 diameter, .546 long, and .245 long bearing surface.  I resize this thru a standard 8mm (.323) lee sizer/luber sizer kit ($25.00) or you can have Lee make a custom sized sizer die to fit your bore for $30.00.  100 grain total copper plated bullet has an overall length of 1.345", diameter over loaded case neck is .341 with a chamber diameter of .343

2. Is a 152 grain cast bullet made from a Lee two cavity .329 diameter 205 grain weight gas check bullet mold (C329-205-1R for Stery 95) for $35.00.  150 grain bullet overall length measures 1.620"", Diameter over loaded case neck is also .341 with a chamber diameter of .343.  I shortened this mold .300 and it cast a 151 grain (1/30) bullet  .797 long with a .320 diameter nose/bore riding diameter and a .242 long bearing surface, I then resized them to .323/4" diameter.

I Lee Liquid Alox pan lube # 2 and it shows the most promise for longer range shooting accuracy (100 yards 1.5" and no traces of keyholing.

I am driving the 100 grain bullet with 9 grains of A2400 and 8 grains of A2400for the 150 grain bullet and have had zero leading.


For dies I ignored the standard 32-20 dies as they size brass undersize and settled on 32 ACP dies, I run a 8mm Mauser die expander ball down to bottom of case and expand cartridge base and decap primer, I then size 1/4" length of the case mouth with a 32 ACP die and then seat 100 or 150 grain ..323/4" Dia bullets with the 32 ACP seater die without crimping.   

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Cat_Whisperer
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Werndl

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Mountains of Virginia, Virginia, USA
Re: .310 loads
Reply #8 - Jul 30th, 2009 at 10:09pm
 
Hmmm. 7.92 x 27R perhaps.
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« Last Edit: Jul 31st, 2009 at 5:32pm by Cat_Whisperer »  

Cat Whisperer (trk)
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