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HG
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25-20 WCF Breech Seated Loads
Mar 11th, 2020 at 9:52am
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What powder and charge is a good stating place for a forged ballard action with a 1-9 twist barrel and 122 gr bullet breech seated?

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BudHyett
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Re: 25-20 WCF Breech Seated Loads
Reply #1 - Mar 12th, 2020 at 4:28am
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Shooting two CPA Stevens 44 1/2; a Kreiger barrel and a Shilen barrel with 1 in 10" twist for both barrels, 

The molds are Mos 119 grain and NOE 120 grain with 1:20 and 1:25 Sn:Pb alloy. 

The lube is SPG, but switching to Javelina Schuetzen lubricant.

Tried both Small Pistol Match and Small Rifle Federal primers, definitely Small Rifle Primers are more consistent. 

Powders tried were Accurate Arms #9 and 4100. The range of the charges is 8.8 grains to 9.2 grains, 9.0 grains for #9 and 9.2 grains of 4100 gave the best results.
« Last Edit: Mar 16th, 2020 at 5:59pm by BudHyett »  
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Re: 25-20 WCF Breech Seated Loads
Reply #2 - Mar 12th, 2020 at 8:21am
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Thanks Bud, that was the info I was looking for. I'll be out looking for some powder today. 
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bnice
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Re: 25-20 WCF Breech Seated Loads
Reply #3 - Mar 12th, 2020 at 9:31am
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Bud, have you any chronograph data for those loads?
  
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BudHyett
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Re: 25-20 WCF Breech Seated Loads
Reply #4 - Mar 12th, 2020 at 2:53pm
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bnice wrote on Mar 12th, 2020 at 9:31am:
Bud, have you any chronograph data for those loads?


No, I do not own a chronograph. 

I did run them through QuickLoad for a pressure check and had the resultant velocity shown. 

The approximate muzzle velocity was 1600 fps and that is close to the observation on the actual changing from 100 yards to 200 yards, 7 minutes of angle. That seems correct.

The pressure shown was 24,000. 

  
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Re: 25-20 WCF Breech Seated Loads
Reply #5 - Mar 13th, 2020 at 8:43am
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Thanks
  
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