.308 Winchester cartridge

.308 Winchester is a centerfire rifle cartridge introduced by Winchester and now widely offered by major ammunition manufacturers for hunting, match, and general sporting use. This relationship-only catalog page records the cartridge as the ammunition family fired by .308 Win-chambered rifles, without inheriting any conflict-use claims from a parent weapon page.

.308 Winchester cartridge, Centerfire rifle cartridge in .308 Win, Munitions

Image source: .308 Winchester cartridge image

Profile

Origin: United States
Built by: Winchester Repeating Arms
Type: Centerfire rifle cartridge in .308 Win

cartridge NATO portable

Specifications

Caliber: .308 Win.
Case type: Centerfire bottleneck cartridge
Representative bullet weight: 169 grains on Winchester Match S308M2; 185 grains on Lapua Mega hunting loads
Representative muzzle velocity: Lapua lists 765 m/s for its 185 gr Mega load
Compatible chambering: Ruger Precision Rifle model 18104 is listed in 308 Win

Service And Conflict Use

Service History

In service: Commercial rifle ammunition in hunting, match, and sporting loads.

Rifles That Fire It

This cartridge family is documented on manufacturer pages and is linked here to a representative .308 Win rifle class.

Firing weapon

Weapon type

Firing evidence

.308-caliber precision rifle

Bolt-action or semi-automatic precision rifle class

Ruger lists model 18104 in 308 Win, showing that this rifle class is chambered for .308 Winchester ammunition.

Sources: Ruger Precision Rifle Model 18104

.308 Winchester cartridge Images

.308 Winchester cartridge, Centerfire rifle cartridge in .308 Win, Munitions - view 1 — Source: .308 Winchester cartridge image

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Sources

S308M2 - Winchester AmmunitionPublisher: Winchester Ammunition | Note: Supports the 308 Winchester designation, Match product background, and representative cartridge description for a factory-loaded rifle round. | Accessed: 2026-06-23 Lapua 308 Win Mega cartridgePublisher: Lapua | Note: Supports the cartridge designation, centerfire hunting-cartridge background, bullet weight, muzzle velocity, and .308 Win caliber listing. | Accessed: 2026-06-23 Ruger Precision Rifle Model 18104Publisher: Sturm, Ruger & Co. | Note: Supports the representative .308 Win chambering used by the Ruger Precision Rifle model 18104 and the pairing link back to the precision-rifle family page. | Accessed: 2026-06-23 .308 Winchester cartridge imagePublisher: Wikimedia Commons | Note: Supports image provenance for a representative .308 Winchester cartridge photograph. | Accessed: 2026-06-23