Rare Arms introduce their latest shell-ejecting Gas Blowback Rifle, an AR-15 rifle this time... "RARE ARMS third-generation shell ejection G.B.B system called the  R-SYSTEM that is easy to maintaine, more durable and gives 30% increase in efficiency. The function of variable gas volume adjustment system will correspond to different ambient temperature. The receiver is made by 6061 T6 aluminum with alloy forging & CNC precision machining process. The overall size is very close to the original gun and the design of internal anti-modification mechanism is safe and legal.

Specifications:

• Length: 690mm~775mm
• Weight: 2230g
• The length of outer barrel: 10.3in. (261.6mm)
• The length of Inner barrel: 220mm
• Capacity of magazine: 30 rounds (with shell)
• Energy:15 Joule
• Power: 12g Co2"