It would have been helpful to have had installation instructions for my grandson.
He eventually figured it out😊 He was very happy to receive it!
Won't work with an upgraded spring in my recon MK II and is very hard to install. You would need one on each side to use it
I bought two of these for my retaliator along with a 7 kg spring, holding by one side just didn't work, I needed to get both hands on either side of the gun to prime. tried it with the stock spring and it worked, but its not very strong. if you want good looks on a stock spring, then sure, but its not that good even then. no chance with an upgraded spring.