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.577-450 Martini-Henry

This cartridge was adopted in 1871 by the British military for use in the Martini-Henry single shot falling block rifles. Like the Snider it was originally a coiled brass case which after a few years was changed to the drawn type. It was also a popular sporting round which has been loaded with both black and smokeless powder. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

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There is no printed reloading manual created for this caliber. There will be created a Wire-O booklet of all calibers with at least 60 loads present.
Click here to see in which calibers this reloading manual is available.


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The Complete Reloading Manual is a compilation based on all rifle calibers with at least one load from this site.
The book contains 311 calibers and 9557 loads. 549 pages in 8x5 inch Perfect-Bound binding.
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ID: Bullet weight: Bullet name: Powder:  
480 grs
Coyote .465 HB
Trail Boss
535 grs
leeth mold Paul jones design shorten with flat nos
swiss 1 1/2 FG
480 grs
CBE .469 "
blackpowder fg
534 grs
wheel weight metal
trail / boss
480 grs
Black MZ
480 grs
CBE .470
Black MZ
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