For those reloading Webley .455 MKII (Fiocchi brass, 260 grain projectiles) with Trail Boss - are you using 3.8 grains? Or if not, what are you putting in?
Cheers
For those reloading Webley .455 MKII (Fiocchi brass, 260 grain projectiles) with Trail Boss - are you using 3.8 grains? Or if not, what are you putting in?
Cheers
Last edited by mcdeee; 02-07-2017 at 10:17 PM.
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