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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


5.56 NATO / 5.56mm NATO (.223 Remington) Semiauto

5.56 NATO / 5.56mm NATO (.223 Remington) Semiauto
Warning! Notes: Tested in an AR-15 with 7-inch twist. Groups are an average of five 10-round groups at 200 yards. All loads used WCC cases with Remington 7 1/2 primers; overall cartridge length was 2.26 inches. Velocities instrumental at 15 feet. (Handloader Issue 139)
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
52 Sierra MatchKing Hodgdon H-4198 Subscribe 3,096
Remarks: group: (inches): 3.06
52 Sierra MatchKing Winchester W-748 Subscribe 3,161
Remarks: group: (inches): 3.89
52 Sierra MatchKing Hodgdon H-322 Subscribe 3,033
Remarks: group: (inches): 3.90
55 Midway FMJBT Hodgdon H-4198 Subscribe 2,950
Remarks: group: (inches): 5.48
55 Midway FMJBT Hodgdon H-4198 Subscribe 3,052
Remarks: group: (inches): 5.57
55 Midway FMJBT Hodgdon H-322 Subscribe 2,927
Remarks: group: (inches): 5.59
55 Midway FMJBT Hodgdon H-335 Subscribe 3,126
Remarks: group: (inches): 6.57