INSAS FB-ASSAULT carbine (1B1 rifle with folding buttstock)
FB-ASSAULT CARBINE-- CALIBER: 5'56x45mm-NATO CAPACITY: 20, 30 or 40 rounds, feeding from proprietary translucid plastic magazines TOTAL LENGHT: 960 mm (400 mm with stock folded) WEIGHT: Without magazine 3,85 kg. / With full magazine 4.19 kg. BARREL: 6 Grooves, RH, Chrome plated. EFFECTIVE RANGE: 400 m RECOIL ENERGY: 4.45 J PNS / Daylight telescope Provided MODE OF FIRING: Single shot, three round burst and automatic gas operated. ROF: 750 Rounds Per Minute
Photo and information from: PIERANGELO TENDAS