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Title: Primer Substitution With HS-7
Post by: Nannyhammer on March 12 2022 04:20:53 PM MST

All, As everyone knows, primers are harder to find than unicorns. I have several pounds of HS-7 and only a few magnum primers. It seems all the reloading data only has WLP or magnum type primers. Do any of you have experience using standard primers with HS-7 in the 10MM? I've done preliminary work up using a home cast 185 grain HP, R-P 2 1/2 primers, with 9.5 grains and haven't seen any issues. This load runs about 1145 fps and see no indications of pressure. Appreciate your inputs!

Title: Re: Primer Substitution With HS-7
Post by: The_Shadow on March 12 2022 06:01:40 PM MST

Should be good with standard large pistol primers.

(https://i.postimg.cc/FH1ms1dx/Hodgdon-1997-No-26.jpg)

Title: Re: Primer Substitution With HS-7
Post by: Nannyhammer on March 12 2022 07:51:07 PM MST

Thanks for the info!

Title: Re: Primer Substitution With HS-7
Post by: gearhead1161 on March 15 2022 04:26:32 PM MDT

Not to hijack your thread but I am starting to see all types of primers returning to shelves at different stores here in Eastern NC. The great primer depression may be coming to an end.

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Title: Re: Primer Substitution With HS-7
Post by: Nannyhammer on March 17 2022 05:37:45 PM MDT

Not many here in central Arkansas....and if you find any, they want a kidney

10mm-Auto

10mm Ammuntion => Reloading 10mm ammo => Topic started by: Nannyhammer on March 12 2022 04:20:53 PM MST