Redline N7 HPA GEN2 Milsim Engine (Mechanical) VSR-10 Parts Crafted from durable metal with

Crafted from durable metal with a spring-return design

Fluted style bull barrel

Looks great on the M4 platform

Rail at bottom of laser allows mounting of additional equipment like a tactical light

Redline N7 HPA GEN2 Milsim Engine (Mechanical) VSR-10 Parts Crafted from durable metal withRedline N7 HPA GEN2 Milsim Engine Fully Mechanical. The newest mechanical pneumatic HPA airsoft engine from Redline. Comes in V2 (M4) or V3 (AK nozzle) style. Can be customized with different aftermarket nozzles for specific gun types. No battery needed, as it doesn't require electricity. Fully mechanical and runs solely on air power. Manufacturer specs: The Redline N7 Milsim Gen 2 is a Patent Pending HPA drop in cylinder replacement system. It is an