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

The Shooters Box case and ammunition reloading gauge.

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

Finally got around to shooting my 577/450 Martini-Henry loads. :) : r /reloading

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

Bertram Unprimed Brass Cases 577-450 Martini-Henry (sold individually) – Rebel Gun Works

577/450 out of 24 gag brass without a form die

Reloading showcase: Making paper patched 577/450 Martini-Henry ammo from 24 gauge brass shotshells. : r/guns

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

517 best r/shittyreloading images on Pholder

517 best r/shittyreloading images on Pholder