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Best cartridges for OLD WC820 (Read 304 times)

RJ-35-40 Senior Forum Member Offline Posts: 406 Location: Saint Augustine Joined: Dec 7^th, 2016	Best cartridges for OLD WC820 Oct 14^th, 2026 at 1:41pm	Print Post
	Best cartridges for OLD WC820.. Any Load recommendations for 32-20 - 32-40 - 38-55 THX


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craigster Oldtimer Offline Posts: 843 Location: lost coast CA Joined: Feb 20^th, 2011	Re: Best cartridges for OLD WC820 Reply #1 - Oct 14^th, 2026 at 10:48pm	Print Post
	It's the powder that was used for 30 Carbine. Burn rate in the H110, 2400, AA#9 neighborhood depending on the lot. I have only used it in 218 Bee. Worked well.


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4060may Full Member Offline Posts: 205 Location: Richfield Joined: Jul 12^th, 2006	Re: Best cartridges for OLD WC820 Reply #2 - Oct 14^th, 2026 at 11:09pm	Print Post
	one of my wall hangers, 100yds


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RJ-35-40 Senior Forum Member Offline Posts: 406 Location: Saint Augustine Joined: Dec 7^th, 2016	Re: Best cartridges for OLD WC820 Reply #3 - Oct 15^th, 2026 at 9:46am	Print Post
	Thanks Craig.... 40-60 May what bullet weight.. ? craigster wrote on Oct 14^th, 2026 at 10:48pm: It's the powder that was used for 30 Carbine. Burn rate in the H110, 2400, AA#9 neighborhood depending on the lot. I have only used it in 218 Bee. Worked well.


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Jeff_Schultz ASSRA Board Member Offline Posts: 1679 Location: Ransomville, NY Joined: Apr 25^th, 2004	Re: Best cartridges for OLD WC820 Reply #4 - Oct 15^th, 2026 at 12:44pm	Print Post
	I use 15.5 grains of it in 32-40 with a 218g bullet in a 14 twist barrel for 1530 fps. Single digit standard deviation and very accurate and clean shooting.

	"We have met the enemy and he is us." Pogo “There is no situation so bad that it cannot be made worse." "We are holding our own." Ernest McSorley Nov. 10, 1975
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RJ-35-40 Senior Forum Member Offline Posts: 406 Location: Saint Augustine Joined: Dec 7^th, 2016	Re: Best cartridges for OLD WC820 Reply #5 - Oct 15^th, 2026 at 1:52pm	Print Post
	Thanks Jeff..! I acquired 13 lbs. from a friend Hope I live long enough to use it all. Jeff_Schultz wrote on Oct 15^th, 2026 at 12:44pm: I use 15.5 grains of it in 32-40 with a 218g bullet in a 14 twist barrel for 1530 fps. Single digit standard deviation and very accurate and clean shooting.


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Schuetzendave Frequent Elocutionist Offline Retired Ex-Shooter Posts: 4267 Location: St. Albert, Alberta Joined: Jan 28^th, 2005	Re: Best cartridges for OLD WC820 Reply #6 - yesterday at 7:45pm	Print Post
	H108 was recycled military WC 820 carbine powder and is excellent in the .32 Miller and .32 RKS cases and is equivalent of AA #9, AA 4100, and MP300. 12.4 grains of WC820 in my .32 RKS would achieve 1,526 fps with a 236 grain Paul Jones spitzer.


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RJ-35-40 Senior Forum Member Offline Posts: 406 Location: Saint Augustine Joined: Dec 7^th, 2016	Re: Best cartridges for OLD WC820 Reply #7 - yesterday at 8:58pm	Print Post
	Thanks DAVE..! My next project is the 32 RKS.. I Have a Ron Smith (SR.) Gain twist (11.5) barrel... and two options for the donor action, either a spaghetti Hi Wall (dedicated) or on a switch CPA 44 1 1/2 .... Need a good gunsmith to profile the Stainless heavy blank to a more manageable octagon shape, chamber and fit.... Any suggestions from the members on how to best finish a stainless barrel to give it a more traditional (old) look. TIA I still have to order the reamer. I'll ask Pacific if they have the drawing. Dave thanks for the info..~! Bob Schuetzendave wrote yesterday at 7:45pm: H108 was recycled military WC 820 carbine powder and is excellent in the .32 Miller and .32 RKS cases and is equivalent of AA #9, AA 4100, and MP300. 12.4 grains of WC820 in my .32 RKS would achieve 1,526 fps with a 236 grain Paul Jones spitzer.


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4060may Full Member Offline Posts: 205 Location: Richfield Joined: Jul 12^th, 2006	Re: Best cartridges for OLD WC820 Reply #8 - yesterday at 11:29pm	Print Post
	top target 12.8 WC820, Barnett, 220gr, 30-1. Darr lube, F210gm Bottom Target 13.2 300MP, NOE, 215gr, Smiley, WLRM Rifle is No.1 Ruger, 32-40, 1-14, Douglas, BS , 36X Leupold, SST


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RJ-35-40 Senior Forum Member Offline Posts: 406 Location: Saint Augustine Joined: Dec 7^th, 2016	Re: Best cartridges for OLD WC820 Reply #9 - Today at 10:53am	Print Post
	Excellent... THANK YOU 4060may wrote yesterday at 11:29pm: top target 12.8 WC820, Barnett, 220gr, 30-1. Darr lube, F210gm Bottom Target 13.2 300MP, NOE, 215gr, Smiley, WLRM Rifle is No.1 Ruger, 32-40, 1-14, Douglas, BS , 36X Leupold, SST


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