Yes, I have played these weapons under CWC rules, but BKC is a different animal in terms of weapon values.
The M18 & M20 saw action in WW2. The M27 was rushed into Korea, and later evolved into the M40.
Has anyone invented the wheel and got these weapons contextualised for BKC? :)
For the German 75mm LG40 and the 105mm LG42 I've just used the stats for the IG equivalents, except that I've allowed the 150mm a move of 5cm.
If there are any proper stats in BKC I've missed them!
Since they used much the same ammo I don't suppose the effects were all that different.
Yep, the same, using the IG stats seems to work well. The only change is that I don't use them in BUAs due to the back blast they generated.