The M4-SOE (Special Operations Enhanced” is a version of the military M4A1 with upgrades similar to the USSOCOM “M4-SOPMOD” including a free floating 12” quad rail, B-5 Bravo stock and P-grip, ALG ACT trigger and an ambidextrous safety and magazine release. The M4-SOE goes a step further then the SOPMOD with the addition of a match grade barrel. The M4-SOE  is a seriously upgraded weapon for the discerning marksman.