Federal XM193BK Ammo 5.56mm NATO Lake City 55 Grain FMJBT 5.56x45 mm Bulk Packed 250 Round Battle Pack

Federal XM193BK NATO 5.56x45mm 55 grain FMJBT. 250 round battle Pack. 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: 250 Round Battle Pack