What is the .308 Winchester?

The .308 Winchester is a factory rifle cartridge in the Winchester Repeating Arms Company cartridges family, introduced in 1952.

What bullet diameter does the .308 Winchester use?

The .308 Winchester uses a bullet diameter of 0.308 inches.

What is the case type of the .308 Winchester?

The .308 Winchester has a Rimless, Bottlenecked case type.

What primer does the .308 Winchester use?

The .308 Winchester uses a Large Rifle (.210") primer.

What cartridges are in the Winchester Repeating Arms Company cartridges family?

The Winchester Repeating Arms Company cartridges family includes the .308 Winchester and other related cartridges. Browse the full family on OpenCartridge.

.308 Winchester

Rifle Factory

Family	Winchester Repeating Arms Company cartridges
Year	1952
Case Type	Rimless, Bottlenecked
Primer	Large Rifle (.210")

Dimensions (inches)

Bullet Ø	0.308
Case Length	2.02
Neck Ø	0.344
Shoulder Ø	0.454
Base Ø	0.47
Rim Ø	0.47
Total Length	2.75

Muzzle Velocity across 3 loads: Avg 2800 fps Min 2602 fps Max 3184 fps

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175.00gr Barnes Boat Tail Soft Point (BTSP) — 43.90gr Varget

by jensenjudkins · Apr 18, 2026

2615 fps

24.00" Barrel

Winchester Case

210 Primer

176.00gr Hornady Match — 41.50gr Varget

by jensenjudkins · Apr 13, 2026

2602 fps

24.00" Barrel

Winchester Case

CCI 200 Primer

110.00gr Nosler Other — 48.00gr H335

by jensenjudkins · Apr 6, 2026

3184 fps

24.00" Barrel

WLR Primer

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