ML Hummingbird Short-Stroke Bolt Assembly for GHK M4 GBB – Silver

Technical Specifications

• Material: Aluminum alloy, nylon
• Color: Silver
• Weight: 195 g
• Compatibility: GHK M4 / MK18 / DD RIS II / URGI (new and older generations)
• Type: Short-stroke bolt
• Performance: Adjustable, NPAS valve

Package Contents

• CNC Aluminum Bolt GBB
• Adjustable NPAS Valve
• Nozzle