Shield Plus 13 Round Magazine Problems - I’ve had 5 of these 13rd shield plus mags (1 with the gun & 4 extras ordered) that can’t be loaded with 13 rounds and still function in either of my 2 shield plus guns unless i load the mag with. I picked up my m&p shield plus the other day. I got it home, cleaned it up and loaded the magazines. I loaded the 10 round mag and the last round was pretty tough to get in. Bought my shield plus in fall of 2025. I have the 4 pack (bug out bag) of 13 rounders. I'm guessing that the 13 round mag is super tight, and is having interference between the first case ejection and the next round being chambered. If so, tight extended mag is a very. Bought my shield plus in fall of 2025. The 13 round magazine that came with the pistol worked fine and could be loaded to a full 13 rounds without effort. My only issue is when i'm using the 13 round magazine and it is fully loaded. For whatever reason, the magazine takes a great amount of force to lock into place upon insertion.
I’ve had 5 of these 13rd shield plus mags (1 with the gun & 4 extras ordered) that can’t be loaded with 13 rounds and still function in either of my 2 shield plus guns unless i load the mag with. I picked up my m&p shield plus the other day. I got it home, cleaned it up and loaded the magazines. I loaded the 10 round mag and the last round was pretty tough to get in. Bought my shield plus in fall of 2025.