Winchester's straight-wall hunting cartridge positioned above .350 Legend. More powerful than .350 Legend while remaining compliant with straight-wall hunting regulations in restricted states.
Type: Rifle
Introduced: 2023, United States
Parent case: .350 Legend
Standardization: SAAMI
Bullet diameter: 0.4" (10.16 mm)
Case length: 1.65" (41.91 mm)
Overall length: 2.26" (57.4 mm)
Max pressure: 55,000 PSI
Rim type: Rimless
Primer: Small Rifle
Typical twist rate: 1:16
Muzzle velocity: 2000–2200 fps
Muzzle energy: 1906–2601 ft-lbs
Effective range: 250 yd
Common bullet weights: 215, 250 gr
Primary use: Hunting
Production status: Active
Also known as: 400 Legend
History: Introduced in 2023 as Winchester expanded their Legend straight-wall hunting line. The .350 Legend had captured significant market share in Midwest straight-wall states (Michigan, Ohio, Indiana). The .400 Legend offers more energy for hunters who want a step up from .350 while maintaining the same legal compliance.
Notable firearms: Winchester XPR, Savage Axis, Ruger American Ranch
Similar cartridges: .350 Legend, .450 Bushmaster, .357 Magnum