From another thread:
Any of you who have a similar setup have this problem? This is the exact setup I am planning on using, but I will have the extended side rails from magazineparts. I'm just trying to figure out what to expect, is all. Thanks in advance!Jonas said:I just got my new Black PS90 TR in from Tanner's and I love it! I been wanting one of these ever since SG1 ditched the MP5s, and when I saw the great price at Tanner's I couldn't resist.
Only down side I've found is when I mounted my Eotech 512 I notice the Eotech is so fat that it overlaps the two side rails, rendering them unusable. Oh well.