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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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5.56 NATO / 5.56mm NATO Semiauto Government Chamber Only

5.56 NATO / 5.56mm NATO Semiauto Government Chamber Only
Warning! Notes: Following loads for Government chamber only! Not for SAAMI-chambered rifles! 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)
69 Sierra MatchKing Hodgdon H-4198 Subscribe 2,724
Remarks: group (inches): 3.66
69 Sierra MatchKing Alliant RL-7 Subscribe 2,753
Remarks: group (inches): 4.40
69 Sierra MatchKing Hodgdon H-322 Subscribe 2,793
Remarks: group (inches): 4.05
69 Sierra MatchKing Hodgdon H-4895 Subscribe 2,837
Remarks: group (inches): 4.03
69 Sierra MatchKing Alliant RL-12 Subscribe 2,745
Remarks: group (inches): 4.23
69 Sierra MatchKing Winchester W-748 Subscribe 2,850
Remarks: group (inches): 4.28
69 Sierra MatchKing IMR IMR-4064 Subscribe 2,725
Remarks: group (inches): 3.64
69 Sierra MatchKing IMR IMR-4320 Subscribe 2,829
Remarks: group (inches): 3.99