Compatibility NEPTUN HopUp Unit

In this table you will find an overview to which weapons our NEPTUN HopUp Unit is compatible. If you would like to add further information, we would be pleased to receive a support mail from you.

<img style="padding:2px; width:60%" src="https://www.begadi.com/media/wysiwyg/CMS_neptun_tabelle/cms_neptun_bg.png" alt="" />

Manufacturer/Model: Compatible: Tested by:
Begadi/Cyma M4 NOVA series Yes Begadi workshop
Begadi/Cyma M4/M16 series Yes Begadi Workshop
Begadi/Cyma MOD 25 series Yes Begadi Workshop
E&C M4/M16 series Yes Begadi Workshop
E&C SMR16 series Yes Begadi Workshop
E&C EC25 Series Yes* Begadi Workshop
ICS M4 CXP Series Yes Begadi Workshop
ICS SIRIUS Series Yes Begadi Workshop
ICS SIRIUS PDW9 Yes Begadi Workshop
E&L M4 series Yes* Begadi Workshop
WE M4 Series Yes Begadi Workshop
A&K M4/M16 Series Yes Begadi Workshop
A&K K25 series Yes Begadi Workshop
VFC Avalon Gladius Yes Begadi Workshop
VFC Avalon M4 Series Yes Begadi workshop
VFC HK416 A5 Yes Begadi customer
VFC Sig MCX Yes Begadi Partner
Novritsch SSR15 Yes Begadi customer
Novritsch SSR4 Yes Begadi Partner
Specna Arms M4 Series Yes Begadi Customer
Lancer Tactical M4 Series Yes Begadi Partner
Bolt M4 Series Yes Begadi Customer
Krytac AR15 Series (Trident) Yes* Begadi Customer
Umarex/Cyma HK416 A5 SL Yes Begadi Customer
Ares Amoeba M4 Series Yes Begadi customer
G&G CM16 Series Yes* Begadi Customer
G&G GC16 Series Yes* Begadi Customer
G&G TR16 Series Yes* Begadi Customer
G&G SR15 / SR25-E2 / SR30 Series Yes* Begadi Customer
G&G PDW Series Yes* Begadi Customer
APS/EMG/Noveske Yes* Begadi Customer
Ares M4 Mutant Series No Begadi Workshop
Ares M4 X-Class Series No Begadi Partner
Golden Eagle M4 Series Yes Begadi Customer
Double Eagle UTR45 Yes Begadi Partner
Wolverine MTW HPA Yes Begadi Customer
S&T T21 Yes* Begadi Workshop
Ares T21 Yes* Begadi Customer
King Arms M4 Series Yes Begadi Customer
Tippmann M4 Recon Series Yes Begadi Customer
SRC M4 Series No info /
Evolution M4 Series No info /


Additional Information
Krytac Trident AR15 series: the original barrel spring from Krytac must be used, the front screw of the Neptune is not required.

E&L AR15 series: The original barrel spring from E&L should be used, this is slightly longer

G&G CM16 / GC16 / TR16 / SR series: The front screw of the Neptun is not needed, only the spring above the barrel has to be used

APS / EMG / Noveske series: 5 shims are needed with the original 21.40mm nozzle

E&C EC25: 6 shim washers are needed (23.00mm Nozzle) or: Gearbox Connector (Offset +0.8mm)

S&T / Ares T21: T21 Upgrade Kit (26522025) is required



Optional accessories
- Expert Kit for Begadi PRO NEPTUN M4 / M16 CNC Alu Rotary HopUp Unit
- S&T T21 Upgrade Kit for Begadi PRO NEPTUN M4 / M16 CNC Alu Rotary HopUp Unit
- Gearbox Connector (Offset +0.8mm) for Begadi PRO NEPTUN