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.338 Edge

Rifle cartridge

Field	Value
name	.338 Edge
origin	USA
type	Rifle
designer	Shawn Carlock
design_date	2001
parent	[.300 Remington Ultra Magnum](300-remington-ultra-magnum)/[.404 Jeffery](404-jeffery)
case_type	Rimless, bottleneck
bullet	.338
neck	.371
shoulder	.525
base	.550
rim_dia	.534
case_length	2.850
case_capacity	122.5
length	3.600
primer	Large rifle magnum

338 Edge (.338/300 Ultra Mag, .338 Ultra Cat) is a Wildcat rifle cartridge based on the .300 Remington Ultra Magnum round necked up to accept 0.338" diameter bullets. It is gaining popularity as a long-range cartridge due to the wide availability of 0.338" projectiles that have a high ballistic coefficient. For instance, the 300 gr Sierra Match King has a ballistic coefficient of 0.765 and is a popular choice for 338 Edge shooters.

Design

The 338 Edge is similar in ballistics to the .338 Lapua Magnum, but can be chambered in a regular magnum action without modification, making it an attractive cartridge for shooters looking for the high performance of .338 Lapua Magnum without requiring a special or custom action.

The name "338 Edge" was coined by Shawn Carlock during his work with the wildcat in 2001 in order to distinguish the cartridge from the (then new) slightly shorter 338 Remington Ultra Magnum.

Velocities in the 338 Edge are high, and the recoil can be substantial enough to make a rifle painful to shoot without a recoil reducing device such as a muzzle brake or suppressor. Recoil is approximately twice that of the popular .30-06 cartridge, for a given weight rifle.

References

October 2000 issue of "The Accurate Rifle"

References

Carlock, Shawn. "338 Edge – History and Development". Len Backus' Long Range Hunting online magazine.
".338 300 gr HPBT ballistics". Sierra Bullets.
"338 Edge History & Development". Defensive Edge.

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.

pistol-and-rifle-cartridges wildcat-cartridges

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