Killer Khemist Airsoft checks out the SRU Precision APX-01 Carbine Kit for the AAP-01 GBB Pistol in this unboxing and overview video... "This is the brand new carbine kit for the AAP-01 by SRU Precision. The APX-01 is a great affordable way to turn your pistol into a carbine.  Check out this in depth review to see if it is right for you. There is also a quick step by step assembly guide so you can see what it takes to turn your AAP-01 GBB pistol into a GBB Carbine."

Hadron Airsoft Designs put together the SRU APX-01 Kit and installing their LOKI TDC Unit... "Here we unbox, review and assemble the SRU APX-01 Carbine kit. During the assembly we install the LOKI AAP TDC hop unit, and drill the carbine kit upper.

Its a long video, (apologies) with quite a few details to cover. I have tried not to cut much out, and there was no practice run. I find trimming videos down, can sometimes loose the lessons that are learned.

Mach Sakai goes for a CCK (Carbine Conversion Kit) to use with the versatile Action Army AAP-01 Asssassin Gas Blowback Pistol. He picks the SRU SR-APX-01 CCK. This CCK has a spring-loaded telescopic stock, AR-style changing handle, spare mag holder, and a quick lower frame disassembly.