the rear stock was the easiest to modify. the top portion where it meets with the receiver, I sanded it down a few milimeters for a good fit. The fore end however, required the GP front end and a little guessing. The stock magazine tube isn't long enough to fully stroke a full length fore end. You could extened the magazine tube by about 1.5 inches, for an estimated total of 11 inches, but then you'd also have to deal with the barrel being shorter as well.
Since the GP front end kit came with a synthetic fore end, it was easy to determine where I need to dremel. both the wood and syn