While I'm still waiting for a M10/45 to transfer, I have received a LAGE MAX-10/9 mk2 upper. My dealer was nice enough to let me go in and change out all the lower parts and springs except the safety lever switch and put on the LAGE upper on it. I asked him to test fire it which he did, but he said he had an issue with one of the magazines.
Mags in question: http://www.ftfindustries.com/mm5/mer...gory_Code=MCMG
Well, I picked up the mags today from him and when I got home found out both of them have the same issue. When you load about 24-25 rounds the follower sticks in place not allowing you to load anymore and hence will not feed, turn the mag upside down and the rounds fall out. I removed the base plate and spring then using a wooden dowel to push the follower out.
I also have 10 Suomi M31 mags that I haven't modified yet but I replaced the RPB followers with the Suomi Followers, will that be okay? They at least are not sticking and I can load the full 30 rounds into them.