This model is an 8MM Blank firing pistol made by Umarex. It looks similar to a Colt 1911 45
It all depends on the model. Some are plastic, metal, wood or polymer.
This inexpensive BB gun is made in Taiwan.
Not intended for user to take apart.
No the SA177 is a BB gun the Tactical is an Air Soft gun. It is not compatible.
Walther PPK/s by Umarex. It has blowback, it made of metal and it's James Bond preferred gun.
There are several airguns that use a magazine similar to a real gun. The Walther PPK/s it even has blow-back like a real Walther PPK (Made by Umarex) The Smith&Wesson M&P 40 (Made by Umarex) The Tanfoglio 1911 (Made by Umarex) The Beretta Elite II (Made by Umarex) The last 3 BB guns listed use the exact same Magazine. There are others beyond these listed.
I believe you are asking about a Walther PPK/S made by Umarex. I would contact Umarex directly and ask them at Customer Service. See the link below.
Colt has 5 different model Air guns. The Defender is the only BB gun, the rest are pellet guns. Umarex makes all the airguns for colt. I suggest you contact UmarexUSA and ask them for assistance or repairs
Umarex was created in 1972.
Colt makes a 1911-A1 Pellet gun made by Umarex. I know of no BB gun unless you are asking about an Air Soft gun. The Pellet gun is very good. I can not answer about an Air soft gun.
I would contact "UMAREX" the manufacture. See the link below
A proprietary umarex magazine.