It's Chambered In .45ACP 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 Angled Rear Sight Along With Skeletonized Hammer And Trigger With Adjustable Over Travel Stop And Ambidextrous Safety Standard In The Rock Series. Finished With A Tough, Parkerzied Matte Coating And Comes With Checkered Rubber Grips. True To All Rock Island 1911s, It Comes With A Crisp Factory 4- To 6-pound Trigger, Making It A Great Experience Right Out Of The Box.

SPECIFICATIONS
SERIES  :  ROCK
CALIBER   : 45ACP
CAPACITY  :  8
BARREL  :  5"
OVERALL LENGTH  :  8.54 INCH
OVERALL WIDTH  :  1.3 INCH
OVERALL HEIGHT :   5.51 INCH 
WEIGHT  :1.13 KG
FRONT SIGHT  :  DOVETAIL MOUNTED STANDARD SIGHT;
REAR SIGHT :   FIXED ("SNAG FREE" TYPE)
GRIPS  :  RUBBER GRIP
FINISH  :  BLACK PARKERIZED
ACTION :   SEMI-AUTOMATIC
TRIGGER PULL  :  4 - 6 LBS