AngusBagus

Were they from a rest? Standing? Prone?

+1 to Mobil 1 See below. This is my 1st Post at 308AR, but let me fill everyone in on all of my travails with my first DPMS. The rifle started out as a love/hate relationship, but now she's running sweet. Problems I had: -FTFeed (getting a live round jammed halfway fed into chamber and causing sever mechanical damage) This was happening more frequently than just the next-to-last round. -FTEject (needed a rod to push out empty casing) I started down the "fix your mags" route and went with 2 PMAGs. They ARE awesome, but I was still getting the occasional FTFeed and multiple FTEjects. Same story with my modified DPMS mags. So I called DPMS and went through every potential fix. The guy on the phone who helped me said that 3 things should fix the problems, or at least help them before I would need to send in the upper/mags: 1. Lubricate the bolt carrier group (BCG) more than you could imagine. Literally put the BCG in a bowl/bottle full of motor oil (I used some extra Mobil Turbo Diesel Truck I had sitting around that I didn't need for an oil change). Let it drip dry, then assemble the rifle with it still coated and go to town. I couldn't bring myself to leaving it sopping wet with motor oil before firing, but I did clean it up a bit at home and drown it in CLP right before I chambered my first round. 2. Fix the feed lips on the DPMS mags. Easy... just take your time and move the lips a little at a time with some bull nose pliers. The primer should be at least 1/2 visible and centered. Test this with the "next to last" round in the mag. That is, load 2 and see how the 2nd round is sitting. 3. Assemble: drill, cleaning rod, steel wool wrapped around tip of rod. Insert into chamber and polish it. Don't try to turn it into 338... just polish it a little. According to the DPMS rep, they are notorious for having tight chambers and need to be helped a little bit sometimes to break them in. After performing all 3 of these fixes for free (I already had the steel wool and oil sitting around), I went to the range to sight in my scope, burn some ammo with my red dot, and switch back to my scope to check zero. Sighted in with no issues. Switched to the red dot and I ran two 4-mag sets of CQB double-tap drills with only enough break between to reload my 4 mags. Then I ran 1 more mag through with the scope mounted back. The rifle was HOT, but no issues holding the zero when remounted and ZERO FTFeed/FTEject during the ~180-200 rounds. AWESOME! I'm glad I didn't have to explain to my wife how much 308 ammo costs... <laughs>