What is the .204 Ruger?

The .204 Ruger is a factory rifle cartridge in the Ruger family, introduced in 2004.

What bullet diameter does the .204 Ruger use?

The .204 Ruger uses a bullet diameter of 0.204 inches.

What is the case type of the .204 Ruger?

The .204 Ruger has a Rimless, Bottlenecked case type.

What primer does the .204 Ruger use?

The .204 Ruger uses a Large Rifle (.210") primer.

What cartridges are in the Ruger family?

The Ruger family includes the .204 Ruger and other related cartridges. Browse the full family on OpenCartridge.

.204 Ruger

Rifle Factory

Family	Ruger
Year	2004
Case Type	Rimless, Bottlenecked
Primer	Large Rifle (.210")

Dimensions (inches)

Bullet Ø	0.204
Case Length	1.85
Neck Ø	0.231
Shoulder Ø	0.36
Base Ø	0.376
Rim Ø	0.378
Total Length	2.26

SAAMI Pressure

MAP (PSI)	57,500

Parent Cases

.300 Remington Ultra Magnum

Muzzle Velocity across 8 loads: Avg 3969 fps Min 3461 fps Max 4563 fps

Community Load Data

Submit Load

Filter Loads

Bullet Type

Powder (name or brand)

Min MV (fps)

Max MV (fps)

⚠ MAX LOAD — Verify before loading

45.00gr Hornady Soft Point (SP) — 25.20gr

by imported_data · Aug 12, 2026

3461 fps

2.2600 OAL"

Norma Case

⚠ MAX LOAD — Verify before loading

40.00gr Hornady Round Nose (RN) — 26.90gr

by imported_data · Aug 12, 2026

3732 fps

2.2600 OAL"

Norma Case

⚠ MAX LOAD — Verify before loading

32.00gr Hornady Round Nose (RN) — 28.70gr

by imported_data · Aug 12, 2026

4088 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

⚠ MAX LOAD — Verify before loading

24.00gr Hornady Round Nose (RN) — 31.40gr

by imported_data · Aug 12, 2026

4563 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

⚠ MAX LOAD — Verify before loading

45.00gr Hornady Soft Point (SP) — 28.00gr

by imported_data · Aug 12, 2026

3577 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

⚠ MAX LOAD — Verify before loading

40.00gr Hornady Round Nose (RN) — 29.50gr

by imported_data · Aug 12, 2026

3852 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

⚠ MAX LOAD — Verify before loading

32.00gr Hornady Round Nose (RN) — 31.50gr

by imported_data · Aug 12, 2026

4197 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

⚠ MAX LOAD — Verify before loading

24.00gr Hornady Round Nose (RN) — 31.50gr

by imported_data · Aug 12, 2026

4279 fps

2.2600 OAL"

Norma Case

PRO

Unlock with Pro

Upgrade to Pro

PRO

6 more loads hidden

Free accounts see the top 2 community loads. Upgrade to see all 8 loads, compare up to 5 in the ballistics calculator, and more.

Upgrade to Pro — See All Loads

No discussion yet. Be the first to start a conversation about .204 Ruger.