Kaworu Chang shows how 3D printed an ultra-lightweight upper receiver using SpiderMaker carbon fiber nylon PA-CF for use on an airsoft P90... "Nozzle caliber 0.4mm, nozzle 240 degrees, bed 60 degrees, fan 50%, speed inside 80 outside 40. I only used 2 walls and only used 10% fill, maybe because of that it feels a bit soft

Another release from RA-Tech this week is the RA-Tech Steel Upper Receiver & Bolt Top for the WE Airsoft M4 Gas Blowback Rifle. This are new versions of the same products that they released before that are more realistic-looking and they have a version for the WE Airsoft M14 EBR GBB as well. Check how they look and function as they are installed in a RA-Tech Custom Level 3 M14 GBB.

Another video of a custom work by the Renegade Cow personally designed for Nerdgamer PH posted a month ago. Like or not? It's all about taste... "This is a short video talking about the custom Lage Max 11 Upper Receiver for the KWA/KSC Mac 11. This was custom made by Renegadecow for me from scratch. He used PVC (from PVC pipes, flattened and cut to shape) to create it, and fabricated a new outer barrel and inner barrel to extend the range of the gun.

We're back with the RA-Tech Howto Video Series. Previously they uploaded a video on howto clean your inner barrels properly and for this new episode it's about cleaning your upper receiver especially for gas blowback rifles as dirt will affect the performance as compared to AEGs where the gearbox will have to be opened up and maintaned properly. Photo above shows the dirt that can stick to your upper receiver so better be aware of it.

The DYTAC VLTOR Upper Receiver which is carbine length is now available at Airsoft Global. This is CNC'd upper receiver with a rail system and you'll need a G&P M4 lowe receiver to complete it. It comes with a barrel nut wrench, forward assist assembly, and ejection port dust cover. It may need minor modifications and fitting, recommended for experienced users.