I have a 12.7mm Rolling Block rifle.It is I belive a Husqvarna and has been sporterised. could someone please advise me on the possibility of rechambering to a more powerfull size, say 50/110.with a 450 or 500grain bullet.
Is the action strong enough to handle this type of load?I realise I would need to cut a slight clearance on the hammer nose to facilitate loading the longer ammunition and proof test after conversion. Any help on this suject would be most welcome.
Many Thanks,
Chris.

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Fritz