The ARP-9 features a mil-spec M-Lok 5" rail, a newly designed crown amplifier, a 300r high capacity 9mm style magazine, an electronic trigger unit, a pre-installed MOSFET and the newest GOS-V5 PDW stock.

Product Features: 

• 9mm AR Pistol Style Receiver 
• Programmable MOSFET system
• Designed to handle 11.1v LiPo (up to 15c)
• Full auto can be programmed to Burst Mode
• Full metal internals 
• Adjustable polymer Hop Up Unit
• Rotary adjusting Hop-Up Unit for ease of use
• Removable Flash Hider
• 14mm CCW Threaded outer barrel for attaching Suppressors and Tracer Units
• Rear sling loop 
• 5'' MLOK Handguard
• Front and Rear folding Iron Sights
• GOS-V5 Sliding Low Profile Stock
• Ergonomic Grip
• Extended Trigger Guard
• Flat trigger
• Extended Ambidextrous Magazine Release