Maker: Tokyo Marui
Model: No. 66
Release year: 2000
Gun name: Knight's M4 SR-16
Gun type: Automatic Electric Gun, w/ Hop-Up system
Motor type: EG1000
Gearbox: version 2
Battery: 8.4v large
Gun length: 865mm
Barrel length: 364mm
Gun weight: 2450g (3251g including battery)
Calibre: 6mm BBs
Magazine capacity:
- standard: 80 round short or 68 round long
- hi-cap: 190 round short or 300 round long
Muzzle velocity: 90m/s (w/ light-weight BBs)
Rate of fire: 700~850rpm (w/ 8.4v battery)
Price: 39,800 yen
Manufacturer: Knight's Armament
Model number: SR-16
Gun type: assault rifle
Gun length: 863mm
Barrel length: 370mm
Gun weight: 3792g (w/ magazine)
Calibre: 5.56x45mm
Magazine capacity: 20 or 30 rounds
Muzzle velocity: ?m/s
Rate of fire: ?rpm