Maynard Everlasting cartridge for Maynard single-shot rifles. Thick brass cases designed for repeated reloading.
Type: Rifle
Introduced: 1882, United States
Parent case: None
Standardization: None
Bullet diameter: 0.403" (10.2362 mm)
Case length: 1.69" (42.926 mm)
Overall length: 2.3" (58.42 mm)
Max pressure: 18,000 PSI
Rim type: Rimmed
Primer: Large Rifle
Typical twist rate: 1:20
Muzzle velocity: 1350–1550 fps
Muzzle energy: 891–1388 ft-lbs
Effective range: 200 yd
Common bullet weights: 220, 260 gr
Primary use: hunting
Production status: Obsolete
Also known as: 40-60 Maynard Everlasting · .40-60 Maynard
History: An everlasting-design Maynard single-shot cartridge from the 1880s. Designed for repeatable precision target shooting at extended ranges. One of many Maynard cartridge variants that served the American target shooting community before standardization eliminated specialty cartridges.