I found out I was using the wrong type of buffer. I was using solid core and not the type that has reciprocating weights. I bought the solid core because they were less expensive but now I find I should have spent the money to get the proper buffer. I ordered a Tromix H3 buffer weighing 5.1...
I have a Bushmaster XM15E2S (16" barrel/carbine) and have installed an ARC FIRE V2 FRT kit with milspec trigger. I have a full auto BCG. I went through all of the videos and am sure it is installed correctly. When I have the lower separated I tested all functions and they work correctly. The...