Check out this EOD's rifle...

110413-N-SB672-546 PACIFIC OCEAN (April 13, 2011) Explosive Ordnance Disposal Technician 1st Class Rene Varela, from Pasadena, Calif., assigned to Explosive Ordnance Disposal Mobile Unit (EODMU) 3, 332nd platoon, fires an M-4 carbine during weapons familiarization aboard the aircraft carrier USS Ronald Reagan (CVN 76). Ronald Reagan is operating in the western Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Dylan McCord/Released)

 

 

I've seen the above pic before but never noticed the non-standard stock...the expanded magwell..the super short barreled M-4...what looks like an IR surefire flashlight....Interesting.