40 Smith & Wesson

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Warning: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity,  pressure and velocity. Primer selection is specific and primer types are not interchangeable. These are maximum loads in my firearms and may be excessive in others. All loads should be reduced by 5% as a starting point for development where cartridges have greater than 40 grains in capacity and 10% for cartridges with less than 40 grain capacity following safe handloading practices as represented in established mainstream reloading manuals. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.

Cartridge – 40 Smith & Wesson
Firearm S&W Shield
Barrel Length 3.1″
Min – Max Case Length 0.850″ +0.000″/-0.010″
Min – Max COL 1.085″ – 1.135″
Primer CCI 500
Bullet Diameter 0.4005″ +0.000″/-0.0030″
Reloading Dies RCBS

 

Bullet Type  Bullet
Weight
Grains
Net H2O
Grains
Capacity
COL” Powder
Type
Powder
Charge
Grains
Muzzle
Velocity
fps
Muzzle
Energy
ft/lbs
Speer Gold Dot 155 12.4 1.120 Power Pistol 8.5 1173 474
Speer Gold Dot 155 12.4 1.120 Longshot
9.2 1185 483
Speer Gold Dot 155 12.4 1.120 Win Auto Comp 7.8 1018 357
Remington GS 165 11.6 1.125 Power Pistol 8.3 1084 431
Remington GS 165 11.6 1.125 Longshot 8.2 1093 438
Remington GS 165 11.6 1.125 Win Auto Comp 7.1 1032 390
Remington GS 180 9.7 1.125 Power Pistol 7.3 1022 418
Remington GS 180 9.7 1.125 Blue Dot 8.9 1010 408
Remington GS 180 9.7 1.125 Longshot 7.3 1001 401
Acme SWC 155 11.4 1.130 Power Pistol 7.8 1150 455
Acme SWC 155 11.4 1.130 Blue Dot 9.8 1091 410
Acme SWC 155 11.4 1.130 CFE Pistol 7.8 1192 489
Acme FP 180 9.0 1.100 Longshot 7.0 1036 429
Acme FP 180 9.0 1.100 CFE Pistol 6.5 1073 460
Acme FP 180 9.0 1.100 Win AutoComp 6.2 986 389
Acme FP 200 8.0 1.120 Power Pistol 6.0 907 365
Acme FP 200 8.0 1.120 Longshot 6.2 964 413
Acme FP 200 8.0 1.120 CFE Pistol 5.0 875 340
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