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The Ultimate Reloading Manual
Wolfe Publishing Group
  • reloading manual
  • alliant reloading data
  • reloading brass
  • shotshell reloading
  • bullet reloading
The Ultimate Reloading Manual

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.375 H&H Magnum (A-Square Data)

.375 H&H Magnum (A-Square Data)
Warning! Notes: groove diameter: .375"; bore diameter: .366"; twist: 12" RH; barrel length: 26"; cartridge case: A-Square; primers: CCI-250; trim to length: 2.840"; powder compression: yes, with slower burning powders; crimp: yes, roll crimp .008"; other: use long drop tube if necessary
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
300 A-Square Monolithic Solid Hodgdon H-4831 Subscribe 2502
Remarks: 43,100 cup
300 A-Square Monolithic Solid Hodgdon H-4831 Subscribe 2606
Remarks: 48,700 cup
300 A-Square Monolithic Solid IMR IMR-4831 Subscribe 2494
Remarks: 45,000 cup
300 A-Square Monolithic Solid IMR IMR-4831 Subscribe 2614
Remarks: 52,900 cup
300 A-Square Monolithic Solid Alliant RL-15 Subscribe 2428
Remarks: 41,200 cup
300 A-Square Monolithic Solid Alliant RL-15 Subscribe 2527
Remarks: 46,200 cup
300 A-Square Monolithic Solid Alliant RL-15 Subscribe 2599
Remarks: 51,000 cup