Hiya
Rabitech also has an open muzzle. So does Pelaj. I haven't seen the Rob allan open muzzle, but it'll be good as well!!
For Australian conditions, i'd look at any of the railguns. Pelaj, Rabitech, RA, Edge, etc. If you're still keen on the Omer, their Cayman HF looks WICKED!!
Regards
miles
