Federal XM193F Ammo 5.56mm NATO Lake City 55 Grain FMJBT 5.56x45 mm / .223 Remington 1000 Round Case

Federal, XM193F NATO, 5.56x45mm, 55 grain, FMJBT. Packed 20 rounds per box and 50 boxes per case for a total of 1000 rounds.

This ammo was loaded by Federal for the U.S. Government to NATO specifications.Comes in reloadable brass cases. Please note: This is military ammunition that may be loaded to higher pressures than SAAMI specifications for 223 Remington.

Technical Information
Muzzle Velocity: 3240 fps
Muzzle Energy: 1282 ft. lbs.

Note: While, .223 and 5.56 x 45 ammo are interchangeable, the 5.56 may be loaded at higher pressures than .223. SAAMI warns not to use 5.56 ammo in sporter 223 rifles.

  • CALIBER: 5.56 mm, manufactured at the Lake City Army Ammunition Plant (LCAAP)
  • CASE: Brass (Copper Alloy No. 260)
  • BULLET: 55 gr. FMJ Boat-Tail
  • PRIMER: M41 Operating Range: (-40 degrees to +125 degrees F) 
  • PRIMER SEALANT: Water resistant lacquer 
  • CASE MOUTH SEALANT: Yes 
  • ACCURACY: 3-10 round groups not to exceed 2.00" mean radius maximum average at 200 yards 
  • INSTRUMENTAL VELOCITY: 3165 +/- 40 FPS (78 feet from muzzle) using a 5.56 test barrel, 20" long 
  • ENERGY: 1223 Ft-Lbs. at 78’ 
  • CHAMBER PRESSURE: Piezotronic maximum average per 10 rounds - 55000 PSI in 5.56 test barrel (case mouth location) 
  • VISUAL INSPECTION: 100% visual inspection of finished cartridges prior to packaging 
  • WARNING: For use in standard 5.56 mm chambers. Do not use in non-standard 5.56 chambers. 
  • PACKAGING: 1000 Rounds per case bulk packed