The Ministry of Defense of Thailand has purchased an undisclosed number of indigenous NARAC556 assault rifles manufactured by local company NARAC Arms Industry (NRC Ammunition), designated MOD 963 and MOD 963 AR for 20 “and 14.5” length barrel respectively,
The NARAC556 family is based on improvements of the Colt AR-15 family in service with the Royal Thai Army (RTA), Thai Navy (RTN), Royal Thai Air Force (RTAF) and Royal Thai Police (RTP) in many versions such as M16A1, M16A2, M16A4, CAR-15, M4, etc. The components of the NARAC556 rifle are 80 percent home-made. The weapon passed the standard test imposed by the Armament Standards Committee, Ministry of Defense, namely the durability of firing more than 6,000 rounds.
Thailand; Army selects indigenous assault rifle