You have watched the complete gearbox guide of the JAG Arms PHX15 AEG by Team Blacksheep, here now comes their Ambi Selector Installation Guide... "Cut down version of the Complete PHX15 take down video showing you the install and rebuild of the PHX15 and the AMBI selectors which can be tricky."

A howto video by Nsz85 showing the installation of the Vickers Combat Applications Sling. This sling allows the shooter to quickly transition from handling a slung rifle to combat ready... "Here is a quick video on how to install the Blue Force Gear Vickers Sling onto an M4 style stock."

A howto video from Modify-Tech showing you how to install the XTC Gear to the lower receiver correctly... "The XTC is built for consistency and reliability of accuracy. It features its 45 degrees quick throw Ambi safety selector. There are some tips to install XTC gearbox into the lower receiver correctly to avoid the malfunction accur."

Airsoftjunkiez has this video showing how to install the PolarStar Airsoft F1 HPA Engine... "Polarstar F1 Installation in a GG CM18 Mod1. Installation is identical to the Polarstar jack system. Other cylinder replacement systems are very similar if not identical installation preceedures such as Wolverine Airsofts SMP and Inferno System for V2 gearboxes."

Watch Iraqveteran888 show you how to install a rifle scope base... "In this video Chad takes you along on a bolt action project 'build' with a new Remington 700 AAC-SD. The first task is to install a quality base in order to mount an optic, this video will show how to get your base properly installed for trouble free operation.

Got that KeyMod rail handguard kit and you are now ready to install it on your airsoft AR but don't know how? Not to worry as Gunfire has this video on how to install the Open Source KeyMod rail on your airsoft rifle. Not that hard to do and what you get in return is a sleek and streamlined AR.

Another video from Elite Force guns showing how to use install the Elite Force 1911 Gun Rebuild Kit. If your Elite Force 1911 GBB is already out of warranty and needs rebuilding, this kit should help you put your pistol back in tip-top shape if you follow the instructions carefully.

Most probably, the Wolverine Airsoft Hydra is now its way to various dealers and resellers in the USA, so better check with your retailer if they have it in stock. This video released shows how to install a version of the Hydra for the P90, and in this case it's the King Arms P90 AEG. The Hydra works with most AEGs (check the version) by swapping the nozzle to make it ready for HPA power.

Bingo Airsoftworks shows us how to install this kit for P90... "Now available, Bingo Airsoftworks Wolverine Airsoft SMP P90 Drop In Kit. This is a direct replacement for the P90 AEG gearbox. The only modification needed to the P90 is a hole drilled for the air line to exit. Installation is extremely simple. Just slide out the stock gearbox and then slide in the P90 drop in kit.

We haven't actually fully handled the G&G GK5C though some say installing the battery is always an issue as it's not exactly child's play. Thus, here's a video made by the company showing the proper way of installing a battery into the handguard. We guess you better start practicing such procedure to get proficient (and perhaps get the same type of battery).