I've been making Martini 577/450 brass from 24 gauge brass shotgun shells and it's going great! : r/shittyreloading

Magtech Brass 24 Gauge Large Pistol Primer Unprimed Box of 25 - Graf & Sons

577-450 Martini-Henry - Snap Caps Dummy Rounds - Snap Caps Dummy Rounds

British Victorian Era Reproduction .577/450 Martini–Henry Rifle Dummy – International Military Antiques

Ass cracks on .577/450 brass

When you try to order a martini but you get a .577/450 breech loading rifle instead : r/guns

517 best r/shittyreloading images on Pholder

I've been making Martini 577/450 brass from 24 gauge brass shotgun shells and it's going great! : r/shittyreloading

Sizing 577/450 Martini-Henry. 9 out of 10 came out right. : r/reloading

Reading is for squares (577/450) : r/reloading

Forming & Trimming The 577/450 Martini Henry Case from 24 Gauge Shotgun Shells (First Attempt)