match target

I have a Colt Woodsman Match Target manufactured in 1956. It is a series 3. It has what the customer is calling a removable "deflector" on the end of the barrel that just slides on and off. We cannot find any information about this accessory and are looking to identify it. Can someone please help.

I have a Woodsman 3rd Series Match Target. I disassembled the magazine and am not sure how to re-assemble it. There is a small question mark shaped part that seems to go between the base plate and the spring stud but i cannot figure out how it fits in. Any help would be much appreciated...