VFC VR16 URG-I 11.5" EVO GBBR GTP9 Sierra 5 tracer unit also

Sierra 5 tracer unit also includes the PTS Dead Air open style end cap that allows the tracer unit to simulate muzzle flash when firing

CNC Hop-Up chamber and nozzle with a Maple Leaf 60° bucking

Mosfet: Yes with Electronic Trigger Unit

CNC Steel Male Nipple

Case Material - Aluminium Cast

VFC VR16 URG-I 11.5" EVO GBBR GTP9 Sierra 5 tracer unit alsoThe M4 carbine is a rifle system developed in the United States during the 1980s. It is a shortened version of the M16A2 rifle. The M4 is extensively used by the US military, which decided to largely replace the M16 rifle in the U. S. Army (2010) and the U. S. Marine Corps (2016) combat units as the primary infantry service rifle. The M4 has been adopted by over 60 countries worldwide, and has been described as "one of the defining firearms of the