2 pdr Ordnance is like gold dust to find these days, I have a live 2pdr gun here but it is sort of ear marked towards a trade. An option is to use Bofors barrels which are readily available and have then turned to the 2 pdr barrel profile this way you get a 40mm rifled bore . 
 
 
Rob..............rnixartillery.
		 
		
		
		
		
		
		
		
		
	
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