Airsoftjunkiez demonstrate the Krytac P90 with Airsoftjunkiez custom HPA drop in kit. This is shooting a joule with .32g  of highpowerairsoft Tracer BBs. This drop-in kit uses the Wolverine Airsoft Hyrda Engine for Krytac P90  with a custom 3D-printed chassis designed to use multi trigger feature. It has semi & full auto capability and uses the Premium Wolverine FCU.

Airsoftjunkiez released yesterday their Airsoftjunkiez custom Krytac P90 HPA Drop-in Kits. These use the Wolverine Hydra HPA Engine and with the compact P90 this can be a beast in CQB games. A complete package is available and demo video below... "Airsoftjunkiez custom Krytac P90 HPA Drop in kits with Wolverine Hydra engines will be available to order 7/18./22."

Eyeing the MP7 PolarStar Jack Drop-In Kit available at Airsoftjunkiez from Bingo Airsoft Designs? Here is a demonstration video from Airsoft Junkiez to give you an idea on how to install it... "Detailed breakdown and install video of the Bingo/Airsoftjunkiez drop in PolarStar Jack Kit. Converts your TM MP7 or Well R4 MP7 into HPA. Overall look at the Chassis and all the components for easier install."

Airsoftjunkiez are taking pre-orders of the Redline Airsoft N7 HPA Drop-In Kit for M4 AEGs and here is their review... "The N7 is not just another cylinder replacement engine. It uses a single solenoid, and is designed to replace an AEGs compression cylinder, but that’s where the similarities end. The N7 is a truly unique design.

Bingo Airsoft Designs (BAD) announce that the BAD MP7 PolarStar Jack Drop-in Kit is now available to order... "The MP7 JACK Drop In Kit is now available. The drop in kit will work with the TM MP7 AEP and the Well R4 MP7 AEP. The kit will NOT work with any of the GBB MP7 airsoft guns or the Umarex MP7 AEG airsoft gun.

Justin Lee of Daytona Gas Blowback just announced the availability of the DG Drop-in kit for CA SA58 / O.S.W, allowing you to convert this Classic Army AEG into a gas blowback rifle that is tethered to a gas tank. Just like the other releases, you can use existing AEG magazines in a gas blowback rifle, giving you higher capacity magazines. You can get more updates or how to order, especially if you're in the use at TNK Guns.

News from Justin about the version of Daytona Gas Blowback M4 Drop-In Kit. So those who are worried about not having these gas blowback kit, worry no more... "Hello! Here's the news on the 2012 version M4 drop in kit for GP GBB WOK001 / WOK002 body kit. Complete M4A1 with Marine marking and drop in kit set are now in stocks. There is a 'Limited monthly quota' for orders.