Zerodown reported: Did you occur to have any difficulties Placing the forearm on from the Knoxx stock? When I place it on my 500a, the forearm was an complete bitch to acquire on. Could not even put the nut again on as there isn't a home. Interested to determine in https://highimpactrounds.com/product/mossberg-590a1-spx-12-ga-20in-8rd/