It is never too late to ask. But no, your integral magazine would become an detachable box magazine. You will need to purchase the magazine separately.I suppose it's a bit late in the game to ask, but the LSS will work with or without a detachable box magazine? If we currently use the regular integral magazine, that can be carried over into the LSS?
That one will not work on the LSS because of the beaver tail. We do have some others in stock that will work.Also, I see that you have a grip in stock
http://mdttac.ca/ergo-grips-4005-bk-original-ergo-ar15-suregrip-pistol-grip-black.html
I would like to confirm if it will work.