Staff Sgt. Gabriel Larrazabal, 2nd Security Forces Squadron NCO in charge of plans and programs, fires an M4 carbine from a kneeling position while training for the 2015 Global Strike Challenge at Fort Polk, La., Sept. 11. The M4 is shorter and lighter than the M16A2 assault rifle, but fires the same ammunition heavily used by Armed Forces. ( Air Force photo/Airman 1st Class Mozer Da Cunha)

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Size: 3682px × 5560px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: 2015, afgsc, ammo, bafb, challenge, competition, defender, firearms, global, guns, m240, m9, practice, range, shooting, strike, weapons