12 Gauge 3 Inch Magnum
1887 · 17 firearms in catalog
Also known as: 12 ga 3", 12 ga Magnum, 12 bore 76mm
Cartridge specifications
| Bullet Diameter | 18.5 mm (0.728") |
| Base Diameter | 20.4 mm (0.803") |
| Case Length | 76 mm (2.992") |
| Overall Length | 82 mm (3.228") |
| Max Pressure | 86 MPa (12,500 psi) |
| Typical Muzzle Velocity | 400 m/s (1312 fps) |
| Typical Muzzle Energy | 3200 J (2360 ft·lbf) |
| Primer Type | Shotshell |
| Cartridge Type | Rimmed |
| Introduced | 1887 |
Firearms chambered in 12 Gauge 3 Inch Magnum
- Benelli Super Black Eagle 3 — Benelli Armi SpA · Shotgun · 2017
- Remington 870 Marine Magnum — Remington Arms Company (RemArms) · Shotgun · 1992
- Retay 724 Patrol — Retay Arms · Shotgun · 2023
- Retay ACE Paloma — Retay Arms · Shotgun · 2024
- Retay ACE Sporting — Retay Arms · Shotgun · 2024
- Retay ACE Upland Ultralight — Retay Arms · Shotgun · 2024
- Retay Antalya — Retay Arms · Shotgun · 2023
- Retay Gordion Slug — Retay Arms · Shotgun · 2022
- Retay Gordion Turkey — Retay Arms · Shotgun · 2020
- Retay Gordion Upland — Retay Arms · Shotgun · 2021
- Retay Gordion Waterfowl — Retay Arms · Shotgun · 2018
- Retay GPS Tactical — Retay Arms · Shotgun · 2023
- Sabatti Canardier — Sabatti · Shotgun
- Stoeger Condor — Stoeger Industries · Shotgun · 2002
- Stoeger M3000 — Stoeger Industries · Shotgun · 2012
- Stoeger M3000 Sporting — Stoeger Industries · Shotgun · 2026
- Winchester Model 1300 Defender — Winchester Repeating Arms Company · Shotgun · 1981
Cartridge family
Parent cartridge: 12 Gauge