I was a little skeptical seeing this product that would magically fix the stock wobble on my scorpion evo3 and the packaging was a little dirty which did not help my suspicion but after I took the pin out of my stock, snapped it on, then put everything back together I can confirm there is no more stock wobble. The only reason I'm giving it 4 out of 5 stars is the instructions form inside the packaging that tells you what to do was a bit dirty.