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.225 Winchester

Rifle cartridge

Field	Value
name	.225 Winchester
image	.225 Winchester with .223 Rem and .308 Win.JPG
caption	.225 Winchester center with [.223 Rem](223-remington) (left) and [.308 Win](308-winchester) (right)
origin	USA
type	Rifle
designer	Winchester
design_date	1964
parent	[.219 Zipper](219-zipper)
case_type	rimmed, bottleneck
bullet	.224
neck	.260
shoulder	.406
base	.422
rim_dia	.473
rim_thick	.049
case_length	1.930
length	2.50
rifling	1-12"
primer	Large rifle
max_cup	50,000
bw1	40
btype1	SP
vel1	4020
en1	1436
bw2	50
btype2	SP
vel2	3768
en2	1577
bw3	55
btype3	SP
vel3	3643
en3	1621
bw4	60
btype4	SP
vel4	3428
en4	1566
test_barrel_length	24"
balsrc	Hodgdon

The .225 Winchester / 5.7x49mm cartridge was introduced in 1964 by the Winchester Repeating Arms Company.

Description

The .225 Winchester cartridge was derived from the .219 Zipper case, though its rim diameter was reduced to accommodate the standard .473-inch bolt face. It was developed with the goal of supplanting the .220 Swift, a cartridge that had earned a reputation for accelerated barrel erosion. Although the .225 Winchester featured a more modern, straight-tapered case design, it was ultimately overshadowed in popularity by the older .22-250 Remington, which had already gained widespread acceptance as a wildcat cartridge before being commercially standardized one year later.

Factory rifles chambered for the .225 Winchester were produced by Winchester—notably the Model 70 and Model 670—as well as by Savage Arms in the Model 340. All mass-produced firearms offered in this chambering were either bolt-action or break-action designs. Winchester discontinued rifle production in .225 Winchester in 1971; however, the company has continued limited seasonal manufacturing of factory ammunition and cartridge cases. Reloading dies remain commonly available, and cartridge brass can also be formed from .30-30 Winchester cases with appropriate modification.

The .225 Winchester's case is a parent case for some of SSK Industries' popular line of JDJ cartridges designed by J.D. Jones, chosen for its strength and semi-rimmed design which makes it well suited for use in break-open actions.

References

.225 Win data at Accurate Powder

References

"225 Win data Hodgdon". Data.hodgdon.com.
Page, Warren. (July 1970). "Thunder and Lightning". Field & Stream.
Trzoniec, Stan. (2016). ".225 Winchester". Rife Magazine.
".225 Winchester | Handloader Magazine".
(22 January 2022). "225 Winchester | Black Dog Ammunition".
(2012). "Cartridges of the world : a complete and illustrated reference for over 1500 cartridges". Krause.
(2010-03-28). "Mr".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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