Winchester Full Metal Jacket (FMJ) 55 Grain 5.56x45mm Ammo - 1000 Rounds

Bullet Weight
55 Grain
Casing Type

Out of stock

$0.33 per round


An awesome bulk 5.56 ammo choice for training or stockpiling. This brass-cased ammo is loaded with a 55 grain full metal jacketed round by Winchester. Expect a muzzle velocity at up to 3270 ft per sec with over 1300 ft lbs of energy. This is ideal for target shooting, range training and competitive shooting, especially in military style matches such as by the DCM/CMP. This 1000 round case is an ideal start up for any weekend.

The standard light rifle round of the NATO alliance, the 5.56x45, like the .223 Remington which shares most of its characteristics, continues to serve for its close to medium range ballistic effectiveness and most especially for its economy. Thanks to its hyper velocity the cartridge creates considerable energy that is belied by its otherwise demure size and cost of materials. This cartridge should NOT be fired in .223 Remington chambers as it generates slightly higher pressures that such firearms are not designed for.

The Winchester “white box” is an established standard among sportsmen for reliability and dependable performance. Custom handloaders specifically seek Winchester brass for its superior quality, making these boxer primed rounds of particular value to shooters and reloaders alike. Winchester remains an American brand that is still manufactured in the US.

Additional information

  • Manufacturer Winchester
  • Condition New
  • Bullet Weight 55 Grain
  • Bullet Type Full Metal Jacket (FMJ)
  • Use Type Range Training
  • Casing Type Brass
  • Quantity 1000
  • Ammo Caliber 5.56x45mm
  • Manufacturer SKU Q3131
  • Primer Type Boxer
  • Muzzle Velocity 3270
  • Muzzle Energy 1306
  • UPC Barcode 50020892201885
  • Cost Per Round $0.33 per round

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