- Make: Rock Island Armory
- FAMILY: 1911 Style Pistol Series
- MODEL: M1911-A1 GI
- TYPE: Semi-Auto Pistol
- ACTION: Single Action
- CALIBER/GAUGE: 45 ACP
- FINISH: Parkerized
- FINISH TYPE: Applied Finish
- FRAME: Steel Frame
- STOCK/GRIPS: Smooth Wood
- BARREL: 5"
- OVERALL LENGTH: 8.5"
- RATE-OF-TWIST: 1-in-16
- CAPACITY: 8 + 1
- # OF MAGAZINES: 1
- MAG DESCRIPTION: 8 rd.
- SIGHTS: Fixed GI Style
- SIGHT TYPE: Fixed Sights
- WEIGHT: 38 oz.
- SHIPPING WEIGHT: 3.75 lbs.
- SAFETY FEATURES: Frame Mounted
- ADDL INFO: GI Hammer, Beavertail, Sights
- ADDL INFO: Approved for California
- ADDL INFO: Beveled Magazine Well
- MFG MODEL NO: 51421
- UPC: 4806015514213
- FFL: Yes
- Caliber: .45 ACP