Hobby Store 75 show their 3D Printed Advanced USW CCK Glock GBBs, just check if your Glock GBB pistol is compatible... "Here's a look at the Carbine Kit For Glocks, It Features Easy Installation, Ergonomic Front Grip, Folding Stock and Also Compatible With All Green Gas Airsoft Brands, G17, G18C, G34, G35.  It Will Also Fit G19 and G23."

The Hobby Store 75 offers a versatile carbine kit for airsoft enthusiasts: the 3D Printed USW PRO Kit for Glock GBB pistols. Choose between the DIY kit or a fully assembled option for your convenience. This kit transforms Gen 3 and Gen 4 Green Gas Airsoft Glocks (with potential compatibility for Gen 5 Glocks) into powerful carbines, compatible with popular models like the G17, G18c, G19, G23, G34, and G35.

Hobby Store 75 shows us the 3D-Printed Tokyo Marui Airsoft Glock Magazine Base Lock and the STL filed can be purchased online... "This Model is To Replace The Original Tokyo Marui Airsoft Glock Magazine Base Lock. I Have Added A Latch / Notch On The Base Lock Follower, So As To Make It Easier For Removing The Magazine Base."