Auxiliary Cartridge, Chamber Adapter, . 45 colt to .577-450

2 (1 Sold) Auxiliary Cartridges for the .577-450 Martini Henry  or British Double rifles to allow you to shoot .45 Colt. - $100 per 

It is my understanding that these have to be fitted to the rifle as there are variations in the Chambers of these old rifles. The rim is a little thicker and needs thinning out, but you can't take it off the back as the internal chamber is already headspaced off the rim of .45 Colt.

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