With the Krytac KRISS Vector GBB, prospective owners might want to use this Strike KRISS Vector Picatinny Stock Adapter which is already in stock... "The Strike Industries KRISS Vector Picatinny Stock Adapter is designed to seamlessly mount a 1913 Picatinny interface stock and/or stabilizer. This adapter is the perfect tool for a custom and secure fit. It features a precision-cut channel with included exact length set screws that effectively prevent any unwanted rotation.

This product available at JK Army really has a long name, the C&C Tac Steel Short Bolt Set with M1913 Rail Folding Stock Adapter For Marui TM M4 MWS GBBR. This item has funtional Semi/Auto Sear with a Short Stroke BCG for better gas efficiency. This comes with  an  M1913 Picatinny Rail Stock Adapter For MCX / MPX - Style Folding Stock.

Set Includes:

An overview video of the new Strike AR Picatinny Stock Adapter from Strike Industries... "The Strike AR Picatinny Stock Adapter gives the user the ability to mount a 1913 Picatinny interface stock/stabilizer assembly where normally the receiver extension is attached. For ARs that do not need an in-line buffer and buffer spring to function, this is a simple, fast and budget friendly conversion that works on both AR-15 and AR-10 lower receivers.

If you wan to add other stock-styles to your airsoft MP5K, here is a stock adapter made by Deranged Airsoft which you can order via 3D Print on Demand... "Here is a look at the Deranged mp5k stock adapter. It allows you to attach the PTS Masada stock. You can find this in the Deranged Designs store on Shapeways.com."

Wanting to put a stock to your Echo1 RDP? Here is the SilenShot RDP Stock Adaptor that Team Blacksheep are recommending. Also a video below shows ASTKilo23 showing you more about this adaptor... "The SilentShot RDP Stock Adapter allows the Echo 1 RDP to accept standard M4 Aeg buffer tubes without the need for permanent modification to the replica itself.

MoaiHobby got in stock the version for the Tokyo Marui SCAR-L AEG with Blowback and Recoil of the Angry Gun SCAR Gen II Stock Adaptor... "Angry Gun SCAR Gen II Stock Adaptor for Marui SCAR H Next Generation AEG in black is available. Made of metal this is compatible with the Marui SCAR-H Next Generation Recoil Engine Series Airsoft AEG Rifle."

In stock right now at eHobby Asia are the Angry Gun Scar Gen II Stock Adapters for those who want to install another type buttstock to their SCAR airsoft rifles. These are CNC'd metal with black anodised coating with laser marking. You can install a 6-position sliding stock with QD sockets on both sides. You can select versions for the WE GBB, VFC AEG, and the Tokyo Marui NEG.

Martin of Hong Kong Off The Grid (HKOTG) is the special guest of Tim in this episode from RWTV where they test the Gas Stock Adapters for the Tokyo Marui M870 Tactical Gas Shotgun from G&P and Angry Gun... "Special guest, Martin, from HKOTG has brought in his Tokyo Marui M870 fitted with the Angry Gun Gas stock tube adapter for comparison against Tim's Tokyo Marui M870 which has the G&P Gas Stock tube adapter installed.

Latest video from RA Tech which you can find the same at the Airsoft Taiwan YouTube Channel shows you the new stock adapter for the WE SCAR-L Gas Blowback made by SRU. The stock adapter allows you to install an AR stock to the SCAR-L, which according to the designers is much easier to use than the standard SCAR stock. It seems folding the stock feature is disabled once the adapter is mounted.

With this new release from ICS, you can install an AR stock, especially the crane type of you want to put cranestock batteries... "For the majority of MP5 owners, ICS has developed and launched the unique AR stock adapter which allows the MX5 to not just accommodaye a larger sized battery pack, but also provide more dexterous tactical operations. The installation of the adapter is simple and easy in just a few minutes, and the package includes slig ring and mil-spec stock tube."