Zerodown said: Did you come about to obtain any problems putting the forearm on with the Knoxx stock? After i put it on my 500a, the forearm was an absolute bitch to have on. Could not even set the nut back on as there isn't a room. Interested to find https://highimpactrounds.com/product/mossberg-590a1-tactical-12-ga-20in-8rd/