.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
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
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Start CalculatingBrass 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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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.
.429 | 240gr | LEE Mold 429-240-2R
.430 | 240gr | Hornady XTP
.429 | 200gr | LEE Mold 429-200-RF
.429 | 240gr | CamPro TC
.43 | 180gr | Rim Rock TC Top Shelf
.430 | 225gr | Hornady FTX
.429 | 240gr | Speer Magnum JSP
.429 | 240gr | Speer Magnum JHP
.430 | 180gr | Hornady XTP
.429 | 240gr | Nosler JSP
.430 | 150gr | CutEdge HGHP
.429 | 240gr | Speer JSP-SWC
.43 | 200gr | Rim Rock RNFP Cowboy
.43 | 220gr | Sierra FPJ FN
.427 | 200gr | Rim Rock RNFP Cowboy
.429 | 240gr | LOS RNFP
.429 | 240gr | H&N HP HS
.430 | 300gr | Hornady XTP
.430 | 200gr | Hornady XTP
.429 | 225gr | Speer JHP-SWC
.429 | 200gr | X-TREME RNFP HP
.43 | 240gr | Swift A-Frame
.429 | 240gr | X-TREME RNFP HP
.43 | 240gr | Rim Rock RNFP Top Shelf
Community Loads — .44 Rem. Mag.
Here are some popular loads for .44 Rem. Mag.:
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| Bullet | Powder | Barrel (in) | Charge (gr) | Case Volume (GoW) | OAL (in) | Max. Pressure (psi) | Muzzle Velocity (fps) | |
|---|---|---|---|---|---|---|---|---|
.427 | 200gr | CamPro FCP TC (200gr) | Reload RS 14 | 7.5 | 8.0 | 39.5 | 1.61 | 15,069 (37%) | 997 | |
.427 | 220gr | Frontier PH HPFB (220gr) | Reload RS 14 | 20.0 | 7.5 | 39.5 | 1.61 | 18,817 (46%) | 1106 | |
.429 | 200gr | H&N HP HS (200gr) | Vihtav N340 | 6.5 | 11.0 | 39.5 | 1.59 | 23,627 (58%) | 1253 | |
M.429 | 200gr | LEE Mold 429-200-RF (200gr) | Accura 4100 | 16.0 | ••.• | 39.5 | 1.61 | 37,942 (93%) | 1969 | |
.429 | 200gr | X-TREME RNFP HP (200gr) | Winche AutoComp | 16.5 | ••.• | 39.5 | 1.61 | 30,088 (74%) | 1542 | |
.429 | 200gr | X-TREME RNFP HP (200gr) | Winche AutoComp | 16.5 | ••.• | 39.5 | 1.61 | 25,825 (64%) | 1453 | |
M.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 20.1 | ••.• | 39.5 | 1.61 | 37,449 (92%) | 1713 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 27,209 (67%) | 1703 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 25,208 (62%) | 1667 | |
.429 | 240gr | CamPro TC (240gr) | Reload RS 24 | 18.1 | ••.• | 39.5 | 1.61 | 32,532 (80%) | 1650 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 20.1 | ••.• | 39.5 | 1.59 | 32,967 (81%) | 1640 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 23,424 (58%) | 1627 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 20.1 | ••.• | 39.5 | 1.60 | 32,343 (80%) | 1598 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 21,727 (54%) | 1588 | |
.429 | 240gr | CamPro TC (240gr) | Reload RS 24 | 18.1 | ••.• | 39.5 | 1.61 | 28,398 (70%) | 1581 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 20.1 | ••.• | 39.5 | 1.59 | 28,689 (71%) | 1575 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 20.1 | ••.• | 39.5 | 1.61 | 27,398 (67%) | 1568 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 20,175 (50%) | 1552 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N110 | 24.0 | ••.• | 38.0 | 1.59 | 18,724 (46%) | 1512 | |
.429 | 240gr | CamPro TC (240gr) | Reload RS 20 | 18.1 | ••.• | 39.5 | 1.61 | 35,056 (86%) | 1480 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav 3N38 | 8.3 | ••.• | 39.5 | 1.59 | 28,689 (71%) | 1365 | |
.429 | 240gr | CamPro TC (240gr) | Vihtav N340 | 6.0 | ••.• | 39.5 | 1.61 | 30,429 (75%) | 1178 | |
.429 | 240gr | CamPro TC (240gr) | Reload RS 20 | 6.0 | ••.• | 39.5 | 1.61 | 23,873 (59%) | 1106 | |
.429 | 240gr | CamPro TC (240gr) | Reload RS 14 | 7.5 | ••.• | 39.5 | 1.61 | 12,879 (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.
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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).