Reduced Load 577-450 Martini-Henry Ammo 577/450


Box of *SEVEN* new-production REDUCED LOAD black powder cartridges for the .577-450 Martini-Henry (577/450).  New ammunition for your old battle rifle!

6 in stock (can be backordered)


New production REDUCED LOAD (70gr FFg Black Powder) .577-450 Martini-Henry ammunition. Box of SEVEN newly manufactured .577-450 Martini-Henry (577/450) cartridges for the M1873 British Martini/Henry service rifle.  This storied firearm saw action around the world in the late 1800s and into the twentieth century.  It served in Afghanistan in the Anglo/Afghan Wars, in Africa in the Boar and Zulu Wars, and Europe through World War One.

This reduced load is designed to be easier on the rifle (and your shoulder too).  Get your old war horse back to the range with our new production 577-450 ammo!

***Cases formed from 24ga brass.***

We can do custom loads as well.  Please contact us for a quote.

Contact us about sending back your fired 577/450 MH brass cases for a discount on your next ammo purchase!  We use them for making dummy (inert) cartridges.

*Why seven? – Because that’s how many fit in the only cartridge boxes we have that will hold these monstrosities!


Before firing:

– Confirm you have the correct caliber

– Have a qualified gunsmith inspection the condition of your firearm

– Always wear eye AND ear protection

We assume no liability for the proper function of your vintage firearm.

Additional information

Weight 14 oz
Dimensions 8 × 5 × 1 in
product type





Old South Ammo


.577-450 Martini-Henry




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