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

8mm IHMSA

8mm IHMSA
Warning! Notes: Velocities are for one five-shot group, measured at ten feet from muzzle using Oehler Model 33 with skyscreens. All primers were Federal 210. Overall lengths were 125 Hornady, 2.65 inches; 150 Hornady, 2.58 inches; 150 Sierra, 2.65 inches; 150 Speer, 2.65 inches; 170 Speer, 2.66 inches; 175 Sierra, 2.70 inches; 200 Speer, 2.70 inches; 220 Sierra, 2.72 inches. (Handloader Issue 84)
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
125 Hornady spire-point IMR IMR-4198 Subscribe 2,301
Remarks:
125 Hornady spire-point IMR IMR-4198 Subscribe 2,481
Remarks:
125 Hornady spire-point IMR IMR-4198 Subscribe 2,650
Remarks: pressure high, recoil stiff
125 Hornady spire-point Hodgdon H-322 Subscribe 2,363
Remarks: accurate
125 Hornady spire-point Hodgdon H-322 Subscribe 2,477
Remarks:
125 Hornady spire-point Hodgdon H-322 Subscribe 2,576
Remarks: pressure moderate
150 Hornady spire point IMR IMR-3031 Subscribe 2,199
Remarks:
150 Hornady spire point IMR IMR-3031 Subscribe 2,380
Remarks: Powley choice
150 Hornady spire point IMR IMR-3031 Subscribe 2,528
Remarks: pressure moderate, plenty of recoil
150 Sierra spitzer Hodgdon H-335 Subscribe 2,390
Remarks: accurate
150 Sierra spitzer Hodgdon H-335 Subscribe 2,512
Remarks: pressure moderate, plenty of recoil
150 Speer spitzer IMR IMR-4895 Subscribe 2,078
Remarks: mild
150 Speer spitzer IMR IMR-4895 Subscribe 2,249
Remarks:
150 Speer spitzer IMR IMR-4895 Subscribe 2,378
Remarks: pressure moderate, compressed load
170 Speer semispitzer IMR IMR-4064 Subscribe 2,114
Remarks:
170 Speer semispitzer IMR IMR-4064 Subscribe 2,242
Remarks: accurate
170 Speer semispitzer IMR IMR-4064 Subscribe 2,401
Remarks: sticky bolt lift - top
170 Speer semispitzer IMR IMR-4320 Subscribe 2,140
Remarks:
170 Speer semispitzer IMR IMR-4320 Subscribe 2,412
Remarks:
175 Sierra spitzer Winchester W-748 Subscribe 1,704
Remarks: mild, easy-shooting
175 Sierra spitzer Winchester W-748 Subscribe 1,876
Remarks:
175 Sierra spitzer Winchester W-748 Subscribe 2,028
Remarks: mild, recoil not bad
175 Sierra spitzer IMR IMR-4895 Subscribe 2,015
Remarks:
175 Sierra spitzer IMR IMR-4895 Subscribe 2,161
Remarks: accurate
175 Sierra spitzer IMR IMR-4895 Subscribe 2,248
Remarks: pressure high, but not top
200 Speer spitzer Hodgdon BL-C(2) Subscribe 1,932
Remarks:
200 Speer spitzer Hodgdon BL-C(2) Subscribe 2,022
Remarks:
200 Speer spitzer Hodgdon BL-C(2) Subscribe 2,173
Remarks: could go higher
200 Speer spitzer IMR IMR-4895 Subscribe 1,822
Remarks:
200 Speer spitzer IMR IMR-4895 Subscribe 1,974
Remarks:
200 Speer spitzer IMR IMR-4895 Subscribe 2,101
Remarks: could go higher
220 Sierra spitzer boattail IMR IMR-4064 Subscribe 1,763
Remarks:
220 Sierra spitzer boattail IMR IMR-4064 Subscribe 1,884
Remarks: plenty of recoil
220 Sierra spitzer boattail IMR IMR-4064 Subscribe 2,030
Remarks: pressure high
220 Sierra spitzer boattail Hodgdon H-380 Subscribe 1,770
Remarks:
220 Sierra spitzer boattail Hodgdon H-380 Subscribe 1,896
Remarks:
220 Sierra spitzer boattail Hodgdon H-380 Subscribe 1,964
Remarks: accurate - pressure ok, could go higher