Description Koishikawa Arsenal model 46/66 Siamese Mauser chambered in 8x52mmr with a five round internal magazine and a 29″ barrel. Originally a model 46 that was converted from 8x50mmr to 8x52mmr. Blued barrel, bayonet lug, barrel bands, dust cover, receiver, straight bolt, magazine floorplate, and trigger guard. Dovetailed front blade sight and adjustable rear leaf sight and shaved down graduations from conversion. Three position flag style bolt safety. Koishikawa Arsenal mark on the left side of the receiver. Smooth wood top forend and pistol grip wood stock with trap door metal butt plate. Front and rear sling swivels with mounted sling. Must ship to a FFL or C&R holder. Condition: Very good with some scratches, scuffs, and general handling wear on the finish. Some light spots of metal oxidation. Normal wear on the moving parts from operation. Scratches and dings in the stock. Clean bore with strong rifling.. Barrel Length: 29″ Serial: Unknown Manufacturer: Koishikawa Arsenal Caliber: 8x52mmR Model: 46/66 Siamese Mauser Book# 04192