Specifications: Caliber: 10mm; Overall length: 6.77"; Height: 4.45"; Width: 1.27"; Length between sights: 5.98"; Barrel length: 5.95"; Barrel rifling: Hexagonal profile with right hand twist; Length of twist: 9.84"; Magazine capacity: 10; Trigger pull: 5.5 lbs. Safeties: 3.