Quote Originally Posted by jerrysimons View Post
I have two of these end plates. For some reason neither of them work with my Vltor A5SR 6 position AR10 Buffer tube. The inner diameter is too small or the anti rotation tab too big for the plate to slide over the threads of the RE. All my other end pates fit just fine on this tube. Oddly both IWC plates work with my 7 position Vltor A5 tube and other tubes I have.
I am guessing both plates are within IWC's spec, which seems to be fairly tight, while the A5SR tube is on the high end of tolerances.
Its definitely a tight fit but I had no issues getting mine installed with two of my Vltor A5 receiver extensions.