- The Excalibur is an improved version of the INSAS rifle and fires 5.56×45 mm ammunition. It has full-automatic capability over the INSAS.
- barrel is shorter by 4 mm, has a side folding butt stock and features a Picatinny rail, a universal mount that allows a range of weapon sights and sensors to be fitted on the rifle.
- If the Excalibur/MIR clears trials, it could be in the hands of infantry soldiers within two year.
- The performance of the DRDO-designed ‘Excalibur’ assault rifle in trials last month at the Armament Research and Development Establishment (ARDE) in Pune has further enthused the Army.