Just a thought for the ladies and gentlemen of this thread and this forum. If it doesn't work then send it back! Instead of just dumping it and getting an after market item, send it back with a letter of explanation and tell them that it is unacceptable to send inferior parts with your gun purchases and that if the practice doesn't stop you will go elswhere for your guns and parts. You also might consider getting up a petition signed by the members of the forum saying something to the same effect. If enough people do these little things, they will change the way these companies do business. But they can't fix it if you don't let them know that something is amiss! And you could still get an aftermarket part for in the mean time. Also there is strength in numbers. Like I said, just a thought.