Rock Island ROCK Ultra CCO Combo Pistol, 9mm/.22 TCM9R, 4.2-Inch

The Rock Island Armory ROCK Ultra CCO Combo pistol in 9mm with an included .22 TCM9R accessory barrel and 8-round capacity (brand part no. 56634) combines an Officer-grip aluminum frame with a Commander-length slide, giving concealed carry shooters a shorter, less printable grip without sacrificing barrel length. Armscor/Rock Island Armory sizes the primary barrel at 4.2 inches for penetrating impact with remarkably light recoil, and a single-stack beveled magwell pairs with a dovetail fiber optic front sight and an LPA MPS1-type adjustable rear sight. The drop-in .22 TCM9R accessory barrel expands load options by driving the original Armscor 22 TCM 9R cartridge. A skeletonized hammer and trigger with an adjustable overtravel stop, battle-ready G10 grips, and a durable parkerized/anodized finish round out the package. Among dual-caliber semi-auto handguns, this ROCK Ultra CCO Combo configuration favors shooters who want caliber flexibility in one pistol.

Key Specifications

• The chambering is 9mm, with an included .22 TCM9R accessory barrel for caliber flexibility.
• The capacity is 8 rounds, and the primary barrel measures 4.2 inches.
• The grip is an Officer-size aluminum frame paired with a Commander-length slide.
• The sights are a dovetail fiber optic front and an LPA MPS1 adjustable rear.
• The grips are G10, and the trigger and hammer are skeletonized.
• The finish is parkerized/anodized for durability.

Frequently Asked Questions

What does the accessory barrel add? A drop-in .22 TCM9R barrel that expands load options beyond the primary 9mm chambering.

What grip style does this pistol use? An Officer-size aluminum frame for reduced printing under concealment.

Buy the Rock Island ROCK Ultra CCO Combo Pistol

Caliber flexibility in a concealable Officer-grip frame is exactly what this ROCK Ultra CCO Combo delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.