No mention of tanaka in here...they are harder to find in Canada but probably the most gameable alongside the tm models. Mostly polymer but VERY high quality. The cylinder allows you to put a round in each chamber from the front, and features a hidden magazine that refills the chambers as they rotate. the cylinder also holds the gas reservoir, allowing you to use real steel grips. plus you can use green gas, with no adverse effects, making it one of the most skirmishable revolvers out there. They are also 1:1 replicas, as opposed to the dan wessons or KWC pythons which have a "hunchback." Lots of different models too, from m29's to m500's, and a very nice Colt SAA