What is the .45 Colt?

The .45 Colt is a factory pistol cartridge in the Colt cartridges family, introduced in 1872.

What bullet diameter does the .45 Colt use?

The .45 Colt uses a bullet diameter of 0.454 inches.

What is the case type of the .45 Colt?

The .45 Colt has a Rimmed Straight case type.

What primer does the .45 Colt use?

The .45 Colt uses a Large Pistol (.210") primer.

What cartridges are in the Colt cartridges family?

The Colt cartridges family includes the .45 Colt and other related cartridges. Browse the full family on OpenCartridge.

.45 Colt

Pistol Factory

Family	Colt cartridges
Year	1872
Case Type	Rimmed Straight
Primer	Large Pistol (.210")

Dimensions (inches)

Bullet Ø	0.454
Case Length	1.29
Neck Ø	0.476
Base Ø	0.48
Rim Ø	0.512
Total Length	1.6

SAAMI Pressure

MAP (PSI)	14,000
MAP (CUP)	14,000

External Reference

Muzzle Velocity across 27 loads: Avg 1006 fps Min 800 fps Max 1253 fps

Community Load Data

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250.00gr Hollow Point (HP) — 7.80gr

SUBSONIC

by imported_data · Aug 12, 2026

919 fps

1.6000 OAL"

N/A Case

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230.00gr Full Metal Jacket (FMJ) — 8.30gr

SUBSONIC

by imported_data · Aug 12, 2026

1004 fps

1.6000 OAL"

N/A Case

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200.00gr Full Metal Jacket (FMJ) — 8.90gr

SUBSONIC

by imported_data · Aug 12, 2026

1122 fps

1.6000 OAL"

N/A Case

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185.00gr Hollow Point (HP) — 9.60gr

by imported_data · Aug 12, 2026

1181 fps

1.6000 OAL"

N/A Case

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250.00gr Hollow Point (HP) — 11.20gr

SUBSONIC

by imported_data · Aug 12, 2026

1053 fps

1.6000 OAL"

N/A Case

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185.00gr Hollow Point (HP) — 13.20gr

by imported_data · Aug 12, 2026

1253 fps

1.6000 OAL"

N/A Case

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256.00gr Other — 9.00gr

SUBSONIC

by imported_data · Aug 12, 2026

820 fps

1.6000 OAL"

N/A Case

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250.00gr Hollow Point (HP) — 9.80gr

SUBSONIC

by imported_data · Aug 12, 2026

1007 fps

1.6000 OAL"

N/A Case

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250.00gr Semi-Wadcutter (SWC) — 10.00gr

SUBSONIC

by imported_data · Aug 12, 2026

1049 fps

1.6000 OAL"

N/A Case

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230.00gr Full Metal Jacket (FMJ) — 10.40gr

SUBSONIC

by imported_data · Aug 12, 2026

1083 fps

1.6000 OAL"

N/A Case

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185.00gr Hollow Point (HP) — 11.80gr

by imported_data · Aug 12, 2026

1237 fps

1.6000 OAL"

N/A Case

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300.00gr Hornady Hollow Point (HP) — 7.20gr

SUBSONIC

by imported_data · Aug 12, 2026

814 fps

1.5900 OAL"

Jagemann Case

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300.00gr Saeco Flat Point (FP) — 8.00gr

SUBSONIC

by imported_data · Aug 12, 2026

851 fps

1.6000 OAL"

Jagemann Case

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250.00gr Hornady Hollow Point (HP) — 8.80gr

SUBSONIC

by imported_data · Aug 12, 2026

962 fps

1.5950 OAL"

Jagemann Case

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200.00gr LC Semi-Wadcutter (SWC) — 10.50gr

by imported_data · Aug 12, 2026

1145 fps

1.6000 OAL"

Jagemann Case

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⚠ ABOVE SAAMI MAP — 15,200 PSI exceeds the 14,000 PSI limit

250.00gr Flat Point (FP) — 18.50gr

SUBSONIC

by imported_data · Aug 12, 2026

1017 fps

1.5866 OAL"

Sellier & Bellot Case

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⚠ ABOVE SAAMI MAP — 16,000 PSI exceeds the 14,000 PSI limit

230.00gr Full Metal Jacket (FMJ) — 20.10gr

SUBSONIC

by imported_data · Aug 12, 2026

1115 fps

1.5866 OAL"

Sellier & Bellot Case

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⚠ ABOVE SAAMI MAP — 16,000 PSI exceeds the 14,000 PSI limit

250.00gr Flat Point (FP) — 17.00gr

SUBSONIC

by imported_data · Aug 12, 2026

1115 fps

1.5866 OAL"

Sellier & Bellot Case

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⚠ ABOVE SAAMI MAP — 16,000 PSI exceeds the 14,000 PSI limit

230.00gr Full Metal Jacket (FMJ) — 15.40gr

SUBSONIC

by imported_data · Aug 12, 2026

984 fps

1.5866 OAL"

Sellier & Bellot Case

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⚠ ABOVE SAAMI MAP — 16,000 PSI exceeds the 14,000 PSI limit

250.00gr Flat Point (FP) — 12.30gr

SUBSONIC

by imported_data · Aug 12, 2026

1033 fps

1.5866 OAL"

Sellier & Bellot Case

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⚠ ABOVE SAAMI MAP — 15,700 PSI exceeds the 14,000 PSI limit

230.00gr Full Metal Jacket (FMJ) — 11.90gr

SUBSONIC

by imported_data · Aug 12, 2026

951 fps

1.5866 OAL"

Sellier & Bellot Case

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300.00gr Hornady Hollow Point (HP) — 5.30gr

SUBSONIC

by imported_data · Aug 12, 2026

880 fps

1.5900 OAL"

Jagemann Case

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300.00gr Saeco Flat Point (FP) — 6.40gr

SUBSONIC

by imported_data · Aug 12, 2026

859 fps

1.6000 OAL"

Jagemann Case

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250.00gr Hornady Hollow Point (HP) — 6.40gr

SUBSONIC

by imported_data · Aug 12, 2026

800 fps

1.5950 OAL"

Jagemann Case

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240.00gr Sierra Hollow Point (HP) — 7.30gr

SUBSONIC

by imported_data · Aug 12, 2026

916 fps

1.6000 OAL"

Jagemann Case

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230.00gr LC Round Nose (RN) — 7.20gr

SUBSONIC

by imported_data · Aug 12, 2026

949 fps

1.5850 OAL"

Jagemann Case

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200.00gr LC Semi-Wadcutter (SWC) — 7.70gr

SUBSONIC

by imported_data · Aug 12, 2026

1048 fps

1.6000 OAL"

Jagemann Case

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