HPA Engines from Wolverine and Polarstar for the M4, AK, M249, such as Wolverine's Inferno and Polarstar's F2.
Engines

PolarStar
PolarStar Bullet Valve Lead for 214 and 309 solenoids
Article code LEAD-2POS-BV
€9,90
out of stock

PolarStar
Kythera Mechanical Engine V2 for M4
Article code R-10000774
€319,90
out of stock

Wolverine
Wolverine Inferno Premium Gen 2 - M249
Article code WINFR-CA-012-M249
€459,00
in stock
The Inferno Premium Gen 2 - M249 by Wolverine
Wolverine
Wolverine Inferno Premium Gen 2 - M249
The Inferno Premium Gen 2 - M249 by Wolverine
€459,00

Wolverine
Inferno Premium V2 Gen 2 - M4 with Bluetooth
Article code NFR-CA-012-M4-BT
€499,90
out of stock

Wolverine
Wolverine Inferno Gen 2 Premium AK
Article code NFR-CA-012-AK
€499,90
in stock

Wolverine
Wolverine Inferno Premium V2 Gen 2 - M4
Article code NFR-CA-012-M4
€499,90
in stock

PolarStar
PolarStar F2 M4
Article code F2V2-M-M4
€549,90
in stock