The authority on pistol and rifle loading data since 1996.

Reloading The .41 Action Express

(Note: These are maximum loads, you should use 10% less to start.)
(See note on Powders below or read all about various Powders.)
Bullet is .410″ diameter.

This round was developed by Evan Whildin several years before the .40 S&W. It was thought to function in guns that would chamber the 9mm. The case is the same size in the rear and will function with a barrel change in some 9mm autos. It is not nearly as powerful as the .41 magnum. It is not nearly as popular today, having been supplanted by the .40 S&W and the 10mm rounds.


170 grain jacketed
HS68.4 gr.1,114 FPS
HP385.5 gr.988
180 grain Speer HP
HS67.8 gr.1,044 FPS
HP385.1 gr.951
Bullseye5.4 gr.1,026
Unique7.0 gr.1,045
WSL5.1 gr.993
WSL6.4 gr.1,019
AA No. 57.8 gr.1,015
200 grain jacketed
HS68.4 gr.1,114 FPS
HP385.5 gr.988

Discussion: It made sense at the time (late 80’s) before the .40 S&W made the scene. If you have a gun chambered for this round, by all means shoot it and reload it.

Bullseye, Unique and 2400 are products of Alliant (formerly Hercules) Powders.
Clays, Universal, HP38, HS6 and H4895 are products of Hodgdon Powders.
IMR 3031 and IMR 4895 are products of IMR (formerly DuPont) Powder Company.
No. 2, No. 5, #2230, and #2460 are products of Accurate Arms Company
WMR, WSF, WST, WSL, 760, 748, 231 and 540 are products of Winchester, Components Div.

References: Accurate Arms Co. 1996 Reloading booklet – – Alliant Powder Co. Reloaders’ Guide (1995) – – Hodgdon’s Basic Reloaders Manual (1996) – – Speer Reloading Manual, #12 – – Winchester Reloading Components Manual, 14th edition – – Lyman Piston & Revolver Reloading Handbook, 2nd edition. – – VihtaVuori Oy Company, reloading booklet (1995) – – Numerous magazine articles on reloading special calibers and personal loads where noted.

MD Smith

MD Smith

MD Smith has had a storied career from his family broadcasting AM radio business, to his 36 year career in TV broadcasting. He is a published fiction and non-fiction writer, earned his pilots license in 1965, and is the original founder of Reload Ammo in 1996. His loads have been successfully tested and used by others for more than 25 years.

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