Links to these magazine converters are in the "Related Links" section below.
There are various airsoft adapters being produced and sold on the market. These are production grade adapters that has been tested and proven to work.
The M4 and the AK47 are two of the most popular guns in the airsoft world. By being able to swap magazines between the two airsoft guns, you can simply your ammunition logistics when you carry both a M4 and a AK47 onto the field.
The M4 magazine is generally smaller than the AK47 magazine. Using this adapter with M4 magazines make your AK47 more compact and more maneuver whether you are lying prone or going through close quarters.
Not only is this adapter practical, it will give your AK47 a completely new look.
The Airsoft3D VSS to MP7 Magazine Adapter lets you use MP7 AEG magazines in the Echo1 Red Star IGOR and other VSS AEG (AY, S&T).
At the time of this write-up, mid-cap magazines are not available for these VSS AEG. Therefore, this adapter gives you the solution to use mid-cap or real-cap MP7 magazines instead. The VSS Vintorez is already very rare on the airsoft field, but you can also use this adapter to give your VSS a unique look.
The Angel Custom AP10 9mm Airsoft AEG M4 M16 to MP5 Adapter Conversion Kit converts your M4 mag-well to utilize the MP5 magazine. This adapter replicates the real M4's ability to use 9mm ammunition using a real adapter.
This converter is a worthy investment if you already have a number of MP5 magazines. You can also use the MP5 magazines to give your M4 the long, curved, slim-look that is very unique on the airsoft field.
If you want to use the Angel Custom AP10 with your UAR, then you'll need this bracket. That's because the APS UAR magwell is too shallow to hold the MP5 magazine in place. This bracket allows you to attach a MP5 magazine securely into the AP10 on your UAR.
The G36/R36 Mag-Well conversion kit is an adapter that converts your Heckler & Koch G36 AEG to use widely popular M4 AEG magazines.
This adapter is an excellent purchase if you are already fully vested in M4 equipment. Or if you want to give your G36 a different look, then this adapter can do it for you.
This converter is also being marketed on Evike as the "Matrix Magwell Conversion Kit for G36 / MK36 Airsoft AEG to use M4 / M16 Mag".
The name of this adapter is quite strange. It is really not a box magazine. Instead, it is a converter to convert the FN P90 AEG mag-well to use the M4 AEG magazine.
The FN P90 is already a strange-looking beast. You can give it a even more far-out look with this magazine adapter, as it puts the M4 magazine on the right side of the gun. Otherwise, this adapter serves well for your M4 magazine inventory.
There are a number of magazine adapters being developed and produced by everyday players. Some of these magazine converters are still in the development stages. Others has been somewhat tested. But they are not being mass produced for sales.
This model, available on Thingiverse, allows you to use M4 magazines in a AK-series gun.
This adapter allows you to use standard AK magazines in a Cyma SVD airsoft gun. Because the Cyma version is a clone of the Real Sword, it should work on that and its other clones as well.
Want to use AK magazines on your M4? This adapter could be just the ticket.
Need to use M4 magazines in your AUG airsoft gun? This magazine could be the ticket for you. Be forewarned that the designer says, "I don't have a 3D printer yet, so the models might be hard to print, or have some scale difficulties, but I have done the best I can with what I have."
The model of this adapter is available on Sketchup 3D Warehouse. It's an adapter that lets you use M4 magazines in AK series airsoft guns. The designer claims that it "Working, but needs a little bit of work".