Angry Gun Super Recoil Kit for Airsoft GBB Rifles
(Type: Western Arms M4 Series)

"adds some weight but that recoil is VIBRANT.
Can be adjusted to shorten bolt travel which increases ROF (renders bolt lock non functional)
When the travel is shortened the blow back is much snappier and seems less prone to malfunction.
I like it. probably gonna drill some holes in it though :D

"it's amazing. If you are a collector of Gbb. You definetely need this.

I think no gogd for game, because it eats double amount of gas .

But Kick is hard as double
Like me Shooters at home. This is great. Once you try , You don't want to go back nomal Buffer ever.

"had one for a long time and can say its great. adds noticeable recoil and is smooth. would buy again.