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Discussion Starter · #1 ·
Can some one with the speer #13 give me the max loads for 300g Speer and Hornady XTP's using H335 and H322? This is for a Marlin 444. I'd just like to compare what my manual says to a couple other ones. Some day soon I plan to get another manual.

Thanks

PS Feel free to list your favorite 444 loads.
 

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Marlin 444, Barrel length 24"
Remington Brass, CCI200 primer, OAL 2535
Powder H335, Bullet Speer 300 grain UCSP
Powder weight: 53.5 - 55.5 grain
Velocity: 2132 - 2211 fps
Energy: 3028 - 3256 ftlbs
Source: Speer Reloading Manual #13
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Marlin 444, Barrel length 24"
Remington Brass, CCI200 primer, OAL 2535
Powder H322, Bullet Speer 300 grain UCSP
Powder weight: 48.5 - 50.5 grain
Velocity: 2021 - 2104 fps
Energy: 2721 - 2949 ftlbs
Source: Speer Reloading Manual #13
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Discussion Starter · #3 ·
Thanks Tom. I've been shooting 300g XTP's over 53g of H335. COL is 2.57 with rem 9.5 primers. I worked up from 49 grains and the groups seem to get better with more powder. My 53g load has been shooting three shot groups of about one inch. I'd like to try 54g of H335. Maybe I'll wait until I get some of the speer 300's and work up again.
 
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