Attilio or one of his erstwhile crew should be able to assist with that Id reckon... 8-)
I dont know for sure but from when I had my M4, it looked to me to be a press fit. Such being the case, you will probably need to borrow a bearing puller from a mechanics workshop and may even then, have to apply direct heat with a small gas torch. Not something to be attempted by the feint hearted or inexperienced... :o
Why do you want to remove the Slinger Jaymad?