Features:

• Licensed Rock River Arms markings.
• ESA quick spring change system allows the spring to be changed without the need to disassemble your gun.
• Adjustable rotary hop-up system with 6.03mm tight bore barrel for range and accuracy.
• Sets include an M90 spring for velocity reduction.
• The receiver features fiberglass reinforcement which increases its durability as compared to polymer and metal ones and it also bears markings and a serial number.
• Free float quad rail handguard.
• Full-length top 20mm features a removable flip-up and can also be used for optoelectronic aiming devices.
• 14mm CCW threaded on the outer barrel to attach a wide array of silencers, suppressors, or even more advanced tracer units up to 3.6cm in diameter.
• A light made of polycarbonate polymer piston is equipped with a full steel strip to increase the replica’s durability.

The Specna Arm Core series (licensed by Rock Rivers Arm) introduces to the market affordable AEGS without any compromise on quality and performance. This new series is fully compatible with LIPO and LIFE batteries. The weapon’s gearbox comes with upgrades like 8mm ball bearings, and steel gears and is secured with 4 anti-reversal latches. For more precision and accuracy, a rotary Hop-Up with a 6.03 mm diameter tight bore barrel is also integrated which enables repeated shots at a stable variation of BBs. With those reinforced internals, the replica comes out of the box ready to be used with an M140 spring. With an ESA™ Quick Spring Change System, you can adapt your replica’s power to your preferences or conditions on your gaming sites. Quickly change your main spring. You must only remove the gearbox from the receiver to have access to it without the need to disassemble your gun or go to any workshop. The set also comes with an M90 spring which is used to reduce your muzzle velocity with respect to your ranges or activity ensuring your safety.

Buy The Compatible Magazines
Buy The Compatible Battery & Charger

Specifications:

• Manufacturer: Specna Arms (Hongkong branded manufacturer)
• Weight: 2100g
• Length: 640-720 mm(adjustable)
• Magazine capacity: 450 rounds
• Muzzle velocity: 310~380 FPS (Measured with 0.20g BBs)
• Thread direction: 14 mm negative
• Gearbox: Rear wired V2 metal l, Fully Upgradeable
• Motor: Long Type
• Battery: 9.6v NiMH Battery -Not included-
• Hop up: Yes, Adjustable
• Material: Zinc and aluminum alloy, steel, nylon reinforced polymer
• Shot mode: Safe, Semi and Fully Automatic