just give it a good whack with a rubber mallot or take a file and gently work it evenly till it fits properly , it will go on just needs a little tlc you can do it
A forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch accessories and the owners and enthusiasts that love them! Come join the discussion regarding HK pistols, long arms, NFA arms, HK accessories, HK history and trivia and more.