M4A1 carbine was designed from 1984-1993 and started its production from 1993 till date.
Weight: 6.36 lb(2.88 kg) empty,7.5 lbs (3.4 kg) with 30 rounds
Length: 33 inch(840 mm) with stock and 29.75 inch(756 mm) without stock.
Barrel length is 14.5 inch
Cartridge 5.56×45mm NATO
Caliber 5.56 mm(.223 inch)
Action: Das operated,rotating bolt.
Rate of fire:700-950 round/min cyclic
Muzzle velocity 2,970 ft/s (910 m/s)
Effective firing range 500m
Feed: 30 Round box magazine or other
Sights:Iron sights or various other optics.