- MANUFACTURER: Ruger
- FAMILY: Mark IV Series
- MODEL: Mark IV 22/45 Tactical
- TYPE: Semi-Auto Pistol
- ACTION: Single Action
- CALIBER/GAUGE: 22 LR
- FINISH: Black Anodized
- FRAME: Polymer Frame
- STOCK/GRIPS: Checkered 1911 Style
- BARREL: 4.4"
- OVERALL LENGTH: 8.4"
- DRILLED / TAPPED
- RATE-OF-TWIST: 1-in-16"
- CAPACITY: 10+1
- # OF MAGAZINES: 2
- MAG DESCRIPTION: 10 rd.
- SIGHTS: Fixed Front/Adjustable Rear
- THREAD PATTERN: 1/2x28
- SPECIAL: Threaded Barrel Model
- WEIGHT: 33.3 oz.
- SHIPPING WEIGHT: 3.1 lbs.
- SAFETY FEATURES: Ambidextrous Manual Safety
- ADDL INFO: Magazine Disconnect
- ADDL INFO: Top & Bottom Picatinny Rails
- ADDL INFO: Ergonomic Bolt Stop
- MFG MODEL NO: 40149
- UPC: 736676401499
- FFL: Yes
- Caliber: .22 LR