.33 Winchester

The topic of this article may not meet Wikipedia's notability guidelines for products and services. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: ".33 Winchester" – news · newspapers · books · scholar · JSTOR (February 2023) (Learn how and when to remove this message)

.33 Winchester Center Fire
.33 Winchester Center Fire (center) with .223 Rem (left) and .308 Win (right).
Type	Rifle
Place of origin	United States
Production history
Designed	1902
Produced	1902–1940[1]
Specifications
Parent case	.45-70
Case type	Rimmed, bottleneck
Bullet diameter	.338 in (8.6 mm)
Neck diameter	.365 in (9.3 mm)
Shoulder diameter	.443 in (11.3 mm)
Base diameter	.508 in (12.9 mm)
Rim diameter	.610 in (15.5 mm)
Case length	2.11 in (54 mm)
Overall length	2.80 in (71 mm)
Primer type	large rifle
Ballistic performance
Bullet mass/type Velocity Energy 200 gr (13 g) (factory load) 2,200 ft/s (670 m/s) 2,150 ft⋅lbf (2,920 J) 200 gr (13 g) (maximum load) 2,420 ft/s (740 m/s) 2,608 ft⋅lbf (3,536 J)
Source(s): Barnes & Amber 1972

The .33 Winchester Center Fire / 8.6x54mmR (colloquially .33 Winchester, .33 WCF,^[2] or .33 Win) is a centerfire rifle cartridge designed and produced from 1902 to 1940 by Winchester Repeating Arms Company for their Model 1886 lever-action rifle.