Polarstar F1 HPA Conversion For M4-M16 w- REV3 FCU VFC The enlarged new heat-sink allows

The enlarged new heat-sink allows the Mosfets to cool even faster

Description: Rothco Hard Knuckle Tactical Gloves (Blk) (L)

Features: Original Madbull design Full Metal Construction Quick load system Built-in easy access safety Built-in 20mm rail mount Works with 40mm grenade shells Easy installation Slim low profile design

Specifications: Manufacturer: VFC Model: 2273315 Muzzle Velocity: 380-390 Magazine Capacity: 120rds Color: Black Package Includes: One (1) Airsoft Gun

Multiple jack screws allow for custom fitment to the M249's receiver

Polarstar F1 HPA Conversion For M4-M16 w- REV3 FCU VFC The enlarged new heat-sink allowsWhat is the F1? Like the Fusion Engine and JACK, the patent pending F1 is a high performance HPA (High Pressure Air) system which replaces the traditional piston and gears of an AEG with a programmable pneumatic system. Flow Control The unique flow control system uses an integral check valve to regulate the forward speed of the nozzle while maintaining the fastest retract speed possible. This system is also what makes the F1's "2 stage" firing