“Check out the newest engine from PolarStar! The new JACK engine reviewed and installed by Travis from Nashville Airsoft.
Jack Engine:
https://nashvilleairsoft.com/polarsta…
Buy this gun here:
https://nashvilleairsoft.com/nac-elit…
Check out our web store:
http://www.NashvilleAirsoft.com
Connect with us!
Facebook.com/NashvilleAirsoft
Twitter: @Nashairsoft
Instagram: @NashvilleAirsoft…”
WOW…an install and working gun video in under 6 minutes! The guys at NASHVILLE AIRSOFT are pros…and also offer up a great couple of suggestions to buyers…AND to the gang at PolarStar, too. EVERYONE should heed this advice and follow along if a JACK unit is in your future! NICE!