.356 Winchester

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.356 Winchester
Type	Rifle
Place of origin	United States
Production history
Designer	Winchester
Designed	1982
Manufacturer	Winchester
Produced	1982–present
Specifications
Parent case	.307 Winchester
Case type	Semi-rimmed, bottleneck
Bullet diameter	.358 in (9.1 mm)
Land diameter	.350 in (8.9 mm)
Neck diameter	.388 in (9.9 mm)
Shoulder diameter	.454 in (11.5 mm)
Base diameter	.4703 in (11.95 mm)
Rim diameter	.506 in (12.9 mm)
Rim thickness	.048 in (1.2 mm)
Case length	2.015 in (51.2 mm)
Overall length	2.56 in (65 mm)
Rifling twist	1-12"[1]
Maximum CUP	52,000[2] CUP

The .356 Winchester (9.1x65mmSR) is a semi-rimmed, bottle-necked, centerfire rifle cartridge which was designed for use in lever-action rifles. It was developed concurrently with the .307 Winchester which acted as the parent cartridge. Both cartridges were introduced in 1982 in the then-new Model 94 XTR lever-action rifle.