Direct proof of use
Conflict Armament Research documented three AKM 7.62x39 mm assault rifles captured from Islamic State forces by YPG forces at Avdoke, Syria. The rifles were captured on July 13, 2014 and documented by CAR on July 26, 2014; CAR identified them as USSR-manufactured examples from 1960, 1964, and 1970.
CAR's later three-year investigation treated this as part of a wider Iraq-and-Syria Islamic State materiel record. The report states that unless it says otherwise, the materiel it discusses was recovered from IS forces and documented by CAR, and its appendix lists 427 7.62x39 mm assault rifles in the Syria sample.
Sources: CAR Islamic State Weapons Dispatch, Weapons of the Islamic State
Timeline
CAR's Syrian AKM-specific incident begins with the July 13, 2014 capture at Avdoke, in the Ayn al-Arab or Kobane area of northern Syria. YPG forces captured the weapons from Islamic State forces during the early northern Syria phase of the war.
On July 26, 2014, CAR documented the captured small-arms group. The same case listed one U.S. M16A4 and three AKM rifles, placing the AKM alongside other infantry weapons recovered from Islamic State custody.
Sources: CAR Islamic State Weapons Dispatch
Narrative
In this conflict record, the AKM is best treated as documented Islamic State infantry small-arms materiel recovered in northern Syria rather than as a weapon tied to a named firing episode. The July 2014 dispatch gives the specific rifle identity, location, capture date, documenting party, and opposing custody path: YPG forces captured the AKMs from Islamic State forces in Syria, and CAR later physically documented them.
The broader CAR report shows why AKM-pattern rifles fit the Islamic State arsenal in Syria. CAR found that the most common weapon type in its regional IS sample was the AK-pattern 7.62x39 mm assault rifle, and it counted 562 weapons documented in Syria from IS recoveries, including 427 7.62x39 mm assault rifles. That aggregate count does not identify every rifle as an AKM, but it supports the wider small-arms context for the specific AKM examples documented at Avdoke.
The evidence used here separates use and recovery from later custody. The compact conflict-use row assigns the weapon to Islamic State and jihadist groups because the AKMs were captured from Islamic State forces. The YPG/SDF side appears in the evidence path as the force that captured and identified the weapons for CAR, not as the documented original user of these AKMs.
Sources: CAR Islamic State Weapons Dispatch, Weapons of the Islamic State