Here is VFC / Umarex popular GBB / AEG explosion diagram with Part Number / MPN ( Manufacturer Product Number ) for quick reference.

For other models not listed please refer to VFC official web site library here.

GBB ( Pistol / SMG )

Colt 1911 Tactical Custom
FN FNS-9
FN FNX-45
Glock S17 / 18C / 19 ( Part I )
Glock S17 / 18C / 19 ( Part II )
Glock S17 / 18C / 19 ( Part III )
Glock S17 / 18C / 19 ( Part IV )
Glock G17 / 18C / 19 ( Part 1 )
Glock G17 / 18C / 19 ( Part 2 )
Glock G17 / 18C / 19 ( Part 3 )
Glock G17 / 18C / 19 ( Part 4 )
Glock G17 / 18C / 19 ( Part 5 )
Glock G17 / 18C / 19 ( Part 6 )
Glock G17 Gen 3
Glock G17 Gen 4
Glock G17 Gen 5
Glock G18C Gen 3
Glock G19
Glock G19 Gen 4
Glock G19X
Glock G42
Glock Series GBB Magazines
HK VP9
HK 45CT Compact Tactical
HK USP
HK P8A1
Sig Saurer P320 M17
Smith & Wesson M&P9
Smith & Wesson M&P9 / 9C
Walther PPQ M2

HK MP5K ( V1 )
HK MP5K PDW ( V1 )
HK MP5A2 ( V1 )
HK MP5A3 ( V1 )
HK MP5 SD3 Early Model ( V1 )
HK MP5A5 ( V2 )
HK MP7 A1 Navy
HK MP7A1 Navy ( 2018 ) ASIA
HK UMP 9mm
HK UMP 45

 

GBBR ( Assault Rifle / Machine Gun )

BCM MCMR 11.5"
Colt M4 ( Standard )
Colt M4 RIS II Military ( DX. )
Colt MK18 Mod 1 ( DX / FDE )
Colt MK18 Mod 1 ( Military / FDE )
Colt XM177E2
FN FAL Light Automatic Rifle ( LAR )
FN MK17 SCAR-H ( Tan )
KAC M110 SASS
KAC MK11 Mod 0
KAC SR16 M4 ( Standard )
KAC SR16 E3 Carbine Mod2
KAC SR-25 ECC
HK G3A3
HK G36C
HK G36 KSK ( DX )
HK G36KE Asia
HK 416 Gen2 ( Black )
HK 416C
HK 416D
HK 416A5 ( Black )
HK 416A5 ( Tan )
HK M27 IAR Gen2 ( Black )
HK 417 12"
HK G28 EU / Asia ( Tan )
VFC VR16 URG-I Carbine

AEG ( SMG / Assault Rifle )

Avalon Saber CQB / Carbine
Colt M4A1 ( Standard )
Colt MK12 Mod 1 ( Fixed Stock )
Colt MK18 Mod 0 ( Standard )
Colt MK18 Mod 1 ( DX / Black )
Colt MK18 Mod 1 ( DX / FDE )
FN MK16 SCAR-L / MK17 SCAR-H / SSR
HK MP5A4
HK MP5A5
HK MP5A5 ( Zinc DieCasting Version )
HK MP7 A1 ASIA
HK MP7 A1 EU
HK 416 V2
HK 416A5
HK M27 IAR
HK 417 12"
HK 417 16"
HK G28 ( Tan )
KAC PDW 8"
KAC SR15E3
KAC SR16E3 Carbine 14.5"
Robinson Armament XCR ( Standard )
SIG MCX Virtus
VFC VR16 Saber Carbine

Sniper Rifle / Shotgun

Fabarm STF12 Compact 11 inch
Remington USMC M40A5