Yes.
Best left to a gunsmith
Go here: http://www.marstar.ca/AssemblyColt25AP.htm
You can get a letter from Colt. It will cost from 75 on up depeding on specifics. Check their web site.
A type of handgun ammunition.
Ammunition.
A type of handgun ammunition.
22LR
Rifle, Shotgun, Handgun, Artillery
25-125 USD or so
Browning made the "Baby Browning" in Belgium for several years, on the muzzel of this tiny 6 shot automatic it states .6mm. It does in fact take 25 caliber ammunition.
You will have to have it checked out by a good gunsmith. There is more than one type of 7.65 ammunition.
Colt.