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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 easily be excessive in others. All loads should be reduced by 10%,  and developed following safe handloading practices as represented in established reloading manuals produced by component manufacturers. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.
 

Cartridge: 17- 357 Real Guns

  Pistol: Thompson Contender   Max COL: 1.260″
  Barrel: 10″   Reloading Dies: CH4D
  Max case length: 0.8650″   Group distance: 50 yards
 Note: c=compressed load

Bullet Type Bullet
Weight
Bullet
Diameter
C.O.L. Net Water
Capacity
Powder
Type
Charge Primer
Type
Muzzle
Velocity
Muzzle
Energy
Group
Size
Hornady 20 0.172″ 1.260″ 12.0 Power Pistol 6.1 CCI 500 2560 291 0.8″
Hornady 20 0.172″ 1.260″ 12.0 Power Pistol 6.2 CCI 500 2882 369 0.3″
Hornady 20 0.172″ 1.260″ 12.0 Blue Dot 7.5 CCI 500 3048 413 0.9″
Hornady 20 0.172″ 1.260″ 12.0 Blue Dot 7.6 CCI 500 3127 434 0.8″
Hornady 20 0.172″ 1.260″ 12.0 2400 8.3 CCI 500 2916 378 1.1″
Hornady 20 0.172″ 1.260″ 12.0 2400 8.4 CCI 500 2976 393 0.9″
Hornady 20 0.172″ 1.260″ 12.0 No. 7 7.3 CCI 500 2926 380 0.5″
Hornady 20 0.172″ 1.260″ 12.0 No. 7 7.4 CCI 500 3006 401 0.8″
Hornady 20 0.172″ 1.260″ 12.0 No. 9 8.3 CCI 500 2777 343 1.6″
Hornady 20 0.172″ 1.260″ 12.0 No. 9 8.4 CCI 500 2832 356 0.8″
Hornady 20 0.172″ 1.260″ 12.0 Enforcer 8.9 CCI 500 2892 372 0.9″
Hornady 20 0.172″ 1.260″ 12.0 Enforcer 9.0 CCI 500 2924 380 1.2″
Hornady 20 0.172″ 1.260″ 12.0 H 110 10.3 CCI 500 3172 447 0.5″
Hornady 20 0.172″ 1.260″ 12.0 H 110 10.4 CCI 500 3200 455 0.5″
Hornady 20 0.172″ 1.260″ 12.0 H 110 10.5 CCI 500 3309 486 0.3″
Hornady 20 0.172″ 1.260″ 12.0 Reloder 7 11.0 CCI 500 2680 319 0.8″
Hornady 20 0.172″ 1.260″ 12.0 Reloder 7 11.1 CCI 500 2744 334 1.1″
Hornady 25 0.172″ 1.260″ 12.2 Power Pistol 5.8 CCI 500 2547 288 0.6″
Hornady 25 0.172″ 1.260″ 12.2 Power Pistol 5.9 CCI 500 2566 292 0.6″
Hornady 25 0.172″ 1.260″ 12.2 Blue Dot 7.2 CCI 500 2683 320 1.2″
Hornady 25 0.172″ 1.260″ 12.2 Blue Dot 7.3 CCI 500 2746 335 1.0″
Hornady 25 0.172″ 1.260″ 12.2 2400 7.9 CCI 500 2640 310 0.4″
Hornady 25 0.172″ 1.260″ 12.2 2400 8.0 CCI 500 2631 307 0.7″
Hornady 25 0.172″ 1.260″ 12.2 No. 7 7.0 CCI 500 2500 278 1.2″
Hornady 25 0.172″ 1.260″ 12.2 No. 7 7.1 CCI 500 2562 292 0.6″
Hornady 25 0.172″ 1.260″ 12.2 No. 9 7.9 CCI 500 2564 292 0.5″
Hornady 25 0.172″ 1.260″ 12.2 No. 9 8.0 CCI 500 2594 299 0.7″
Hornady 25 0.172″ 1.260″ 12.2 Enforcer 8.4 CCI 500 2556 290 1.1″
Hornady 25 0.172″ 1.260″ 12.2 Enforcer 8.5 CCI 500 2639 309 0.5″
Hornady 25 0.172″ 1.260″ 12.2 H 110 9.7 CCI 500 2898 373 0.7″
Hornady 25 0.172″ 1.260″ 12.2 H 110 9.8 CCI 500 2927 381 0.5″
Hornady 25 0.172″ 1.260″ 12.2 H 110 10.0 CCI 500 3002 400 0.5″
Hornady 25 0.172″ 1.260″ 12.2 Reloder 7 10.5 CCI 500 2541 287 1.3″
Hornady 25 0.172″ 1.260″ 12.2 Reloder 7 10.6 CCI 500 2578 295 1.0″