If there is a will, there is a way. Though the idea is not new and there are commercially available AEG magazine adapters, Gessaba Channel still made one for his use with the Tokyo Marui M9A1 Gas Blowback Pistol... "I didn't have a standard M4 magazine adapter for M9A1, so I made it myself!"

Spotted on Ruten.co.tw is the Classic Army M4 9mm SMG 100-Round Magazine with Adapter. As the name states, this allows you use a 9mm airsoft magazine with an M4 AEG. Some sellers have the CA M4/M16 100-round SMG Magazine but sometimes the adapter is hard to find. This package comes with both the magazine and adapter and feeds an M4 AEG, which should be Marui-compatible, well.

Mach Sakai tests one of the new Twin Drum Magazine adapters from Tokyo Marui, using the version for the AK-47 (not NEG version) AEGs of Tokyo Marui. This allows an airsoft player to use the 1,200 drum magazine initially designed for the Marui standard M4 and High Cycle AEGs. There are versions of the adapter for the M4 NEG, AK NEG, G3, MP5, and G36 Series from Tokyo Marui.

Give your Tokyo Marui Benelli Airsoft Shotgun a higher capacity magazine with the Salamander Shotgun Magazine Adapter. With this adapter, you can use an M4 AEG magazine, the Marui 1,200-round drum magazine or the ICS 3,000 drum magazine. Mach Sakai tests this magazine adapter in this video review.

Now available at Laylax is the Nine Ball TM M92F and M9A1 Long Magazine Adapter. This allows you to increase the magazine capacit from 26 rounds to 35 rounds and allows you a more comfortable and reliable operation of the "Dolphin FS' M92F. As for magazine capacity, its increase is about 1.5 times the volume.

Made of lightweight aluminium alloy, it provides stable power in semi and full automatic modes.

If you have existing MP7 AEG Magazines, you can finally put them to use on the VSS Vintorez AEGs with this Airsoft3D VSS to MP7 Magazine Adapter... "Airsoft3D has successfully designed a VSS Vintorez magwell converter for the MP7 AEG magazine. With this adapter, airsoft players can use MP7 magazines with the VSS Vintorez airsoft gun. Airsoft VSS Vintorez has been released over four to six months ago.

MG42 compulsory charging magazine adapter prototype for the SHOEI MG42 is shown here in a video as sent in by Tomio. This is for the blowback HPA version... "If you are using the compulsory charging magazine, roller bolt carrier becomes unnecessary, because if take off it, the resistance of the feed lever is lost, rate of fire is further increased."