Specna Arms Magnus TDC Rotary Hop-Up Chamber with Helium Flat Bucking for M4

The Specna Arms Magnus rotary hop-up chamber with TDC system is designed for M4/M16 series electric rifles. It comes equipped with a Helium flat hop-up bucking for a stable hop-up effect that is precisely adjustable with a wheel.

Features

• Rotary hop-up chamber with TDC system
• Helium flat hop-up bucking included
• Compatible with M4/M16 series electric rifles