Won't quote since it's too early to sort through stuff like that.
There is someone with a blackside, but I figured that the outback would be better since it's thinner and shorter, but maybe I should go with a blackside then, I didn't know they were for different calibers.
The locking nubs are those 3 rings I take it? I had the theory that if I sanded down the leading/trailing edge it might work properly, not sure, if that's all it would take that would be great, when madbull responds to my email I'll ask them.
If you look through this thread I have some pictures of the inner barrel somewhere and one of the edges does look a little worn down.
We 1911 slide completely locks up and is very hard to move. - Airsoft Canada
the GM45 looks beastly as hell, but it's about as long as my current one and probably much heavier. hmm.