Based on Colt Single-Action Army design in .22 LR caliber. Offered in several variations, with 4.75", 5.5" or 7.5" barrels (and 12" Buntline model). Six or 10-shot cylinder. Some models come with interchangeable .22 Magnum cylinder. Fixed or adjustable sights. NOTE: Add $40 for extra cylinder; $100 for 12" barrel; $25 for 10-shot model.