5.56X45mm HPBT 77GR Cannelured
5.56X45mm HPBT 77GR Cannelured
5.56X45mm HPBT 77GR Cannelured

5.56X45mm HPBT 77GR Cannelured

556C

Sierra MatchKing HPBT projectiles are widely accepted as the most accurate projectiles on the market. Magtech is proud to offer 308 Win (7.62mm) and 223 REM (5.56mm) ammunition loaded with Sierra MatchKings.

Product Specification

  • Symbol: 556C
  • Bullet Style: Sierra Cannelured HPBT
  • Bullet Weight (GR): 77
  • Case: BRASS
  • Primer: Small Rifle Primer 7 1/2
  • Ballistic Coeficient: 0.362
  • Packaging: 50
  • EAN Barcode (inner box) : 7891798071722
  • EAN Barcode (outer box): 7891798571369
  • UPC Barcode (inner box) : 754908201815
  • UPC Barcode (outer box): 754908201808
556C Velocity Energy Trajectory
m/s j cm
Muzzle 850 1803 ------
100m 767 1469 0.001
200m 689 1185 16.7-
300m 616 946 54.2-
Test Barrel Length: 50,8 cm
556C Velocity Energy Trajectory
fps ft.lbs inch
Muzzle 2790 1331 ------
100 Yards 2541 1104 0.001
200 Yards 2305 908 5.4-
300 Yards 2081 741 17.4-
Test Barrel Length: 20 inch

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