Dan Wesson's ECO is a true single stack officer-sized 1911 weighing in at only 25 oz. The gun wears Tritium night sights with Dan Wesson's tactical ledge sight on the rear of the lightweight 3.5" slide. The ECO barrel is a flush-cut ramped bull barrel with target crown rather than the traditional barrel and barrel bushing. This makes the gun slightly more compact and easier to disassemble. The recoil system is quite unique for this style of 1911, using a solid one piece guide rod and a flat recoil spring rated for 15,000 rounds in .45 ACP, not 500 rounds like most 1911 dual recoil systems. This recoil system also gives the benefit of a smooth slide for easier operation and less felt recoil. Trigger pull is short and crisp at around 4 lbs. This helps achieve the accuracy you've come to expect from a Dan Wesson. The frame is anodized aluminum and features an under cut trigger guard and 25 lpi checkering. The mainspring housing is also aluminum with 25 LPI checkering and a rounded bottom corner for concealabilty and shooting comfort. These features coupled with the Ed Brown high ride grip safety and the slim line, DW carry G10 grips really help you hold onto the gun for faster follow up shots and recoil control. The ECO slide and small parts are treated with Dan Wesson's Duty finish.