Posted: 3/26/2014 4:17:44 AM EDT
| I purchased an ACS for my lower the other day which has a mil-spec buffer tube. When you slide the stock all the way forward it slides onto the mounting threads and has to be pryed off the threads. I also have an ACS on my other lower which is a commercial buffer tube and have had no problems with it. I have emailed magpul twice with no responce so I thought I would see If any body here would have an idea. |