So is it possible to convert a standard AR-15,with the delta ring /gas piston setup, to accept a free float barrel? I would love to place a Samson Evo 9EX forend on one with the 4in. extension. I would love to place it on this Huldra Arms 5.45x39.
http://www.huldraarms.com/rifles/category_9a02b126bcd8/product_486f319a92ce/
http://www.huldraarms.com/rifles/category_9a02b126bcd8/product_486f319a92ce/
