This Pistol Is Chambered In 45 ACP With A 5” Button Rifled Barrel Supported By A Full Length Guide Rod. Smooth-angled, Snag-free Style Allows For Quick Draw In Fast Need Situations. Includes A Low Profile Adjustable Rear Sight And High Visibility Fiber Optic Front Sight. Also Includes Skeletonized Hammer And Trigger With Adjustable Over Travel Stop And Ambidextrous Safety. It's Finished With A Tough Parkerized Matte Coating And Comes With G10 Tactical Grips. True To All Rock Island 1911s, The Rock Ultra Comes With A Crisp, Factory 4- To 6-pound Trigger To Give You A Great Experience Right Out Of The Box.

SPECIFICATIONS
SERIES  :  ROCK
CALIBER  :  45ACP
CAPACITY :   8
BARREL  :  5"
OVERALL LENGTH :   8.74 INCH 
OVERALL WIDTH :   1.3 INCH
OVERALL HEIGHT :   5.51 INCH
WEIGHT : 1.13 KG
FRONT SIGHT  :  DOVETAIL FIBER OPTIC FRONT SIGHT;
REAR SIGHT :   LPA MPS1 TYPE ADJUSTABLE REAR SIGHT
GRIPS  :  G10 BLACK/GREY
FINISH  :  BLACK PARKERIZED
ACTION :   SEMI-AUTOMATIC
TRIGGER PULL :   4 - 6 LBS