A US Army Ranger with the 75th Ranger Regiment fires a M4a1 carbine during Ranger Rendezvous 2011 at Ft.
Benning.
The Ranger's M4A1 is fitted with SOPMOD Block II accessories - SU-231 PEQ (EOTech 553), AN-PEQ-15 ATPIAL laser and SU-233 light.
The SOPMOD Block II series of accessories is designed to be fitted to weapons employed by US special operations forces such as the M4A1, MK18 CQBR,MK16 SCAR-L and MK17 SCAR-H carbines/rifles.