Winchester 5.56MM 55 GR FMJ USA 1000 ROUND CASE

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Product Description

For serious shooters, Q3131 USA Ammunition from Winchester is the ideal choice for training, competition or a long session at the range. The easily identifiable white box is synonymous with high quality and reliability. This ammunition is new production, non-corrosive, and comes in boxer primed, reloadable brass cases.

  • Positive Functioning
  • No Expansion
  • Good Accuracy
  • No Barrel Leading

Product Specifications

Cartridge Specifications

  • Shellcase: Cal. 5.56mm brass shellcase (5.56x45mm)
  • Bullet: 55 grain (3.56 gram) Full Metal Jacket Boat Tail
    Brass jacket lead core
    Diameter .2240 inch (5.69 mm)
  • Powder: Clean burning low flash
  • Primer: Winchester non-corrosive primer - boxer type
  • Waterproofing: Applied to primer annulus
  • Accuracy: 2.0 inches (5.1 cm) maximum average of mean radii at 200 yards (183 M)
    10 shot targets from a 20 inch (50.8 cm) accuracy test barrel
  • Velocity: 3 250 ft/sec (991 m/s) nominal at 15 ft (4.6 m)
    Fired in a 20 inch (50.8 cm) standard SAAMI test barrel
  • Energy: 1290 ft-lb (1749 joules)
  • Pressure: 55 000 CUP max. average (3793 bars)

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