Then it may remain a mystery.
because its cool
The gun maker never sees a customer. Guns are sold to individuals not by the maker, but by a gun dealer. No, it is not the dealer's responsibility to ask a person what they are going to do with a gun.
Maker or manufacturer.
you cant
Mainly from the markings on the gun by the maker.
By maker information.
Remington is the oldest maker still in operation.
Colt was one maker who made the GATLING gun.
Contact the maker, gun show, gun shop, library
There is no information to support that there is a gun maker by the name of sentinel.
Write to the Manufacture or go online to the gun maker and request a manual.
You Cant