I've been having some issues with my DPMS 5.56 AR-15 carbine. I currently use a 50 gr .223 Fiocchi round with a red plastic bullet tip. I have two 30 round magazines that came with the rifle. I normally only put 20 rounds in each magazine to help conserve on ammo (or else I could easily burn through the entire box in one outing).
The first mag goes through fine with no malfunctions and a consistent ejection pattern. The second mag I can get approximately 5-8 rounds off before the malfunctions start. The round will fire, extract, and eject but it won't put a fresh round into the chamber. This occurs every round after the malfunction starts.
I've read that DPMS rifles need to be very well lubricated. I've already tried heavily lubricating the bolt before I go to the range and after the malfunction occurs. The lubrication after the malfunction occurs helps slightly and allows for approximately 5 rounds before the next malfunction. The ejection pattern is still normal when the malfunction occurs.
I have already replaced the bolt gas rings under Scheels recommendation. I've talked to several people about this issue and the common idea is there is not enough blow back and that the gas tube will have to be replaced. Before I drop money into a new gas tube replacement I wanted to see if anyone else has an idea.
The first mag goes through fine with no malfunctions and a consistent ejection pattern. The second mag I can get approximately 5-8 rounds off before the malfunctions start. The round will fire, extract, and eject but it won't put a fresh round into the chamber. This occurs every round after the malfunction starts.
I've read that DPMS rifles need to be very well lubricated. I've already tried heavily lubricating the bolt before I go to the range and after the malfunction occurs. The lubrication after the malfunction occurs helps slightly and allows for approximately 5 rounds before the next malfunction. The ejection pattern is still normal when the malfunction occurs.
I have already replaced the bolt gas rings under Scheels recommendation. I've talked to several people about this issue and the common idea is there is not enough blow back and that the gas tube will have to be replaced. Before I drop money into a new gas tube replacement I wanted to see if anyone else has an idea.