Elite Force makes a great gbb Glock 19x. I bought mine from a South Korean company which made modifications to make it more accurate. I can easily hit man sized targets at ranges over 50 yards using 46 gram BBs.
The only thing I don’t like about it is the fact it’s green gas. It does not function well if the temp drops much below 60 degrees.
For what it’s worth I have found the CO2 gbb pistols reliable no matter the temps. Kwc units have turned out to be the best.
Novritsch makes a very, very nice double stack 1911. Of course his sniper rifles are impressive as well.
Hard to imagine you can get consistent hits at ranges of 100 yards with a plastic 6mm BB.
I have both KWA Glock and the rifle I got from Max.
Both green gas.
I haven’t used them out in super cold weather.
I have never used the green gas. I use the propane bottles that you get at the hardware stores. It’s way cheaper. The blue bottles, not the yellow MAPP gas.
You can go on Amazon and get the green gas adapter kits. Green gas seems to be propane and silicone. The adapter comes with enough silicone that you dribble into the mouth of the tank, enough to shoot thousands of rounds.
I’ve never had any trouble with this system