Rock Island Armory XT Standard Combo 45 Auto(ACP) 5in Black Parkerized Pistol - 10+1 Rounds - Rock Island Armory has taken the 1911 from a basic one-caliber design to a well-optioned, high quality, multi-caliber design over the past three decades with the development of the XT series. Rock Island Armory continues to stretch the boundaries with the development of the XT Standard Combo. Adding to the ingenuity of the XT core design, the XT Standard Combo includes a drop-in 45 ACP barrel to make this package equipped for any shooter. Engineered with a pinned 5in barrel with blow back slide combined with Rock Island's standard, crisp factory 1.36 kg - 1.81 kg trigger it offers match class accuracy and power. Includes low-profile anti-snag angle front and rear sight with skeletonized hammer and trigger with adjustable over travel stop. The XT Standard is finished with rock tough parkerized coating, fitted checkered rubber grips and comfortable extended beaver tail safety.