Hi there, strange one I know have a hammerli tac r1, looking for aluminum trigger housing from a hk 416 or colt m4 by umarex hammerlis is plastic. Maybe someone has a shot out/ self destructed one for parts. Just the housing. No need for internals.
Umarex Smith & Wesson 686 CO2 Revolver. Nickel. 6" Barrel. 10 Shot .177.
Bought from new and used lightly in the time I've had it. Very good condition.
Supplied in original box with cleaning rod, barrel removal tool, spare magazine and additional foresights as shown in pic.