Specna Arms / Rock River Arms Licensed CORE Series M4 AEG (Model: M4 Carbine M-LOK / 2-Tone Black and Tan)

Features

• Ultra lightweight fiberglass reinforced polymer receiver
• Licensed Rock River Arms logos
• Nylon fiber furniture
• Metal barrel assembly, flash hider, charging handle, and sling swivels
• ESA quick spring change system allows the spring to be changed without the need to disassemble your gun
• Rotary type hopup with 6.03mm tight bore barrel
• 380 fps spring pre-installed from factory, optional 310 fps (M90) spring included to reduce muzzle velocity
• Freefloat M-LOK handguard

Manufacturer: Specna Arms

FPS Range: 375-390

Specifications:

Length: 795mm - 875mm (Adjustable)
Weight: 2320g
Inner Barrel: TBA
Magazine Capacity: 125rds
Muzzle Velocity: 310~380 FPS (Measured with 0.20g BBs)
Thread Direction: 14mm Negative
Gearbox: Ver 2 Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 7.4v / 11.1v Buffer Tube LiPo Battery Recommended (Wired to rear w/ small Tamiya connector. Battery and Charger not included. We recommend using only high quality batteries and smart chargers)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, Manual
Optic not included!
About Specna Arms

Specna Arms is a brand manufactured in Hong Kong. Our aim is to deliver high-quality, good-looking and reasonably-priced Airsoft replicas. We are constantly developing both technical and visual aspects of our products to offer our customers the best airsoft experience.