.276 Pedersen
American experimental military rifle cartridge / From Wikipedia, the free encyclopedia
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Not to be confused with .276 Enfield.
The .276 Pedersen (7×51mm) round was an experimental 7 mm cartridge developed for the United States Army. It was used in the Pedersen rifle and early versions of what would become the M1 Garand.
Quick Facts Type, Place of origin ...
.276 Pedersen | ||||||||
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Type | Rifle | |||||||
Place of origin | United States | |||||||
Service history | ||||||||
In service | 1923–1932 (experimental) | |||||||
Used by | United States | |||||||
Production history | ||||||||
Designer | John Pedersen | |||||||
Designed | 1923 | |||||||
Specifications | ||||||||
Case type | Rimless, bottleneck | |||||||
Bullet diameter | .2842 in (7.22 mm) | |||||||
Neck diameter | .313 in (8.0 mm) | |||||||
Shoulder diameter | .385 in (9.8 mm) | |||||||
Base diameter | .450 in (11.4 mm) | |||||||
Rim diameter | .450 in (11.4 mm) | |||||||
Case length | 2.023 in (51.4 mm) | |||||||
Overall length | 2.855 in (72.5 mm) | |||||||
Primer type | Large rifle | |||||||
Ballistic performance | ||||||||
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