5" X 6 1/4"  (127mm X 158mm)

(inside front skirt) ШС-10 ТАИ3 13Г.

Picture courtesy Curtis Erickson

5 1/8" X 6 3/8"  (130mm X 161mm)

(inside front skirt)         ШС-10Д

(inside rear skirt)   14 121                         

Picture courtesy Darryl Wagner

5 1/5" X 6"  (140mm X 152mm)

(inside front skirt) ШС-10Д {wide varient}

Picture courtesy Earnest Griffin

5" X 6 1/4"  (127mm X 158mm)

(inside front skirt) ШС-10 ТАИ3 13Г.

Picture courtesy Curtis Erickson