Colt  Trooper MK III, .357 magnum cal. double action revolver.  Serial #43900J, mfg. 1974. Excellent condition. Blue is at 98% with a index mark. 6” solid rib barrel has an excellent bore.  Adjustable rear sight with a pinned front ramp. Action is smooth as you would expect from a Colt.  Checkered walnut grips with silver Colt medallion are in excellent condition.  Wide target hammer with a smooth trigger.  A very pretty revolver that feels a lot like a Python. Collectible!