.45ACP cal. 7.59" long, 5.47" high. .27" wide. Length between sights: 6.77". Barrel length: 4.60". Barrel rifling: Hexagonal profile with right hand twist. Length of twist: 15.75". Magazine capacity: 10. 28.32 oz., Trigger pull: 5 lbs. Trigger travel for discharge: 0.5".