.44 Rem. Mag. Load Data & Reloading Guide

Also known as: .44 Remington Magnum, .44 Magnum, .44 Rem. Mag, .44 Mag

About .44 Rem. Mag.

The .44 Remington Magnum, commonly known as the .44 Mag, was introduced in 1955 and is a powerful revolver cartridge developed through a collaboration between Elmer Keith, Remington, and Smith & Wesson. Derived from the .44 Special, it was designed to deliver maximum power suitable for hunting large game while maintaining compatibility with existing firearms. The .44 Mag quickly earned a reputation for its formidable energy and deep penetration capabilities.

Technically, the .44 Magnum has a bullet diameter of 0.429 inches and a case length of 1.285 inches. It operates at a maximum pressure of approximately 36,000 psi, offering high velocity and energy that surpass many other revolver cartridges. Standard factory loads can propel a 240-grain bullet to velocities between 1,200 to 1,400 feet per second, providing a balance of speed and stopping power. Bullet weights for the .44 Mag typically range from 180 to 300 grains, with 240 grains being the most common.

Ballistically, the .44 Magnum offers excellent performance for both hunting and sport shooting. Its ability to accommodate a wide range of bullet weights and designs makes it versatile for applications such as silhouette shooting, hunting medium to large game, and defensive situations. The cartridge's recoil is significant, requiring shooters to develop proficiency for effective handling, which is often achieved through practice and proper load management.

For reloaders, the .44 Magnum presents several advantages. Its large case capacity allows for flexible load development, catering to specific needs such as reduced-recoil target loads or powerful hunting rounds. Numerous bullet types are available, from lead cast to jacketed hollow points, providing further customization for specific applications. Additionally, reloading the .44 Magnum can result in cost savings, especially for high-volume shooters and hunters seeking to fine-tune ballistic performance according to their preferences.

Technical Drawing

.44 Rem. Mag. cartridge dimensions, C.I.P.L3 = 32.64 mm, L6 = 40.89 mmL3 = 32.64 mmL6 = 40.89 mm

Based on C.I.P., the max. allowed case length is 1.285 in / 32.64 mm, the max. cartridge length is 1.610 in / 40.89 mm, and the max. allowed pressure is 40,611 PSI / 2,800 bar.

Technical Specifications

Maximum Pressure:40611 PSI / 2800 bar
Case Volume:39.5 Grains of Water
Primer Size:Large Pistol Magnum (LPM)
Safety Standard:C.I.P. (Datasheet)
Bore Area:90.65 mm²
Barrel Diameter:0.429" / 10.9 mm
L3:1.285" / 32.64 mm
L6:1.610" / 40.89 mm

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Brass Case Capacities

The following table shows the case capacity (Grains of Water) for brass in cartridge .44 Rem. Mag. where we have data (number of datapoints in brackets).

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Geco (7)••.•
Other (1)••.•
Sellier & Bellot (7)••.•
Starline Brass (2)••.•

Unlock 4 more brass case capacities with PRO.

Standard Load Data — .44 Rem. Mag.

Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.

Community Loads — .44 Rem. Mag.

Here are some popular loads for .44 Rem. Mag.:

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Filter:
BulletPowderBarrel (in)Charge (gr)Case Volume (GoW)OAL (in)Max. Pressure (psi)Muzzle Velocity (fps)
.427 | 200gr | CamPro FCP TC (200gr)
Reload
RS 14
7.58.039.51.6115,069 (37%)997
.427 | 220gr | Frontier PH HPFB (220gr)
Reload
RS 14
20.07.539.51.6118,817 (46%)1106
.429 | 200gr | H&N HP HS (200gr)
Vihtav
N340
6.511.039.51.5923,627 (58%)1253
M.429 | 200gr | LEE Mold 429-200-RF (200gr)
Accura
4100
16.0••.•39.51.6137,942 (93%)1969
.429 | 200gr | X-TREME RNFP HP (200gr)
Winche
AutoComp
16.5••.•39.51.6130,088 (74%)1542
.429 | 200gr | X-TREME RNFP HP (200gr)
Winche
AutoComp
16.5••.•39.51.6125,825 (64%)1453
M.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
20.1••.•39.51.6137,449 (92%)1713
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5927,209 (67%)1703
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5925,208 (62%)1667
.429 | 240gr | CamPro TC (240gr)
Reload
RS 24
18.1••.•39.51.6132,532 (80%)1650
.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
20.1••.•39.51.5932,967 (81%)1640
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5923,424 (58%)1627
.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
20.1••.•39.51.6032,343 (80%)1598
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5921,727 (54%)1588
.429 | 240gr | CamPro TC (240gr)
Reload
RS 24
18.1••.•39.51.6128,398 (70%)1581
.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
20.1••.•39.51.5928,689 (71%)1575
.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
20.1••.•39.51.6127,398 (67%)1568
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5920,175 (50%)1552
.429 | 240gr | CamPro TC (240gr)
Vihtav
N110
24.0••.•38.01.5918,724 (46%)1512
.429 | 240gr | CamPro TC (240gr)
Reload
RS 20
18.1••.•39.51.6135,056 (86%)1480
.429 | 240gr | CamPro TC (240gr)
Vihtav
3N38
8.3••.•39.51.5928,689 (71%)1365
.429 | 240gr | CamPro TC (240gr)
Vihtav
N340
6.0••.•39.51.6130,429 (75%)1178
.429 | 240gr | CamPro TC (240gr)
Reload
RS 20
6.0••.•39.51.6123,873 (59%)1106
.429 | 240gr | CamPro TC (240gr)
Reload
RS 14
7.5••.•39.51.6112,879 (32%)850

Community Subsonic Loads — .44 Rem. Mag.

Loads with muzzle velocity at or below 1,125 fps (343 m/s) — the speed of sound at sea level.

All Weights
200 gr
220 gr
240 gr
250 gr
300 gr

.44 Rem. Mag.

.430 | 300gr | Hornady XTP
Vihtavuori N340
Velocity830 fps
Barrel3.5"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity840 fps
Barrel7.677165354330708"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity846 fps
Barrel7.677165354330708"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | CamPro TC
Reload Swiss RS 14
Velocity850 fps
Barrel7.51968503937008"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N KS HS
Reload Swiss RS 14
Velocity889 fps
Barrel5.905511811023622"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity892 fps
Barrel7.677165354330708"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 300gr | Hornady XTP
Vihtavuori N340
Velocity899 fps
Barrel3.5"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity909 fps
Barrel7.874015748031496"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity915 fps
Barrel7.51968503937008"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 240gr | Hornady SWC
Reload Swiss RS 14
Velocity922 fps
Barrel6.496062992125984"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N HP HS
Reload Swiss RS 14
Velocity938 fps
Barrel7.51968503937008"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 240gr | Hornady SWC
Reload Swiss RS 14
Velocity968 fps
Barrel8.26771653543307"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 300gr | Hornady XTP
Vihtavuori 3N38
Velocity974 fps
Barrel3.5"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.43 | 240gr | Rim Rock SWC
Alliant Powder UNIQUE
Velocity988 fps
Barrel4"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.427 | 200gr | CamPro FCP TC
Reload Swiss RS 14••.•
Velocity997 fps
Barrel7.51968503937008"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 240gr | LEE Mold 430-240-SWC
Alliant Powder POWER PISTOL
Velocity1001 fps
Barrel4"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.430 | 300gr | Hornady XTP
Vihtavuori 3N38
Velocity1020 fps
Barrel3.5"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 250gr | Lehigh Defense Xtreme Penetrator
Alliant Powder BE-86
Velocity1024 fps
Barrel4.25"
OAL0.063"
Fill Rate••.•

M.44 Rem. Mag.

.430 | 300gr | Hornady XTP
Vihtavuori 3N38
Velocity1040 fps
Barrel3.5"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | Remington SJHP
Reload Swiss RS 20
Velocity1089 fps
Barrel20.078740157480315"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N SWC HS
Vihtavuori N340
Velocity1093 fps
Barrel6.5"
OAL0.061"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | LOS RNFP
Vihtavuori N340
Velocity1093 fps
Barrel4.921259842519685"
OAL0.063"
Fill Rate••.•

.44 Rem. Mag.

.429 | 240gr | H&N SWC HS
Baschieri & Pellagri 103 Pistol
Velocity1099 fps
Barrel6.5"
OAL0.062"
Fill Rate••.•

.44 Rem. Mag.

.429 | 250gr | H&N SWC HS
Rottweil P 806
Velocity1102 fps
Barrel5.984251968503937"
OAL0.063"
Fill Rate••.•
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Frequently Asked Questions

The maximum pressure for .44 Rem. Mag. is 40,611 psi | 2,800 bar.

.44 Rem. Mag. typically uses a Large Pistol Magnum (LPM) primer.

The case capacity of .44 Rem. Mag. is approximately 39.5 grains of water (H₂O).