Thank you Ed
I had no choice few Constabulary/cadet rifles still exist
I believe there were just 500 Constabulary produced and most went into Manilla Bay, a very few survived
I think just 400 cadet rifles...

.
any replacement stock would be rare and on some other somebody's gun .

I considered a Carbine stock , and retro fit the gun, but if a loose Carbine stock were found, it'd be $ BUCKS
and the muzzle fit (for Bayonet ) a dead give away.