So yesterday I took my new AR out to the range and sighted in the primary arms. So right out of the box, so to speak. The primary arms was about 4" tot he left and 4" down at 50 yds. Got it dialed in and then it started losing zero. I was mad..... Then I realized that the nut holding it down was loose. It rattled loose, I tightened her up snug and then it held zero the rest of the day.
With the 2moa dot and no bipod I took out the legs of the pvc target at 50 yards. I thought that was more fun than hitting the paper. I had 2 malfunctions where it failed to feed. I took the bolt carrier group out and did a visual on it real quick and realized that the m4 feed ramps were not lined up. The tip of the round would get jammed up in there.

Is there a fix for this or should I contact Del-ton? I am an avid DIYer so if this is no big deal and I can fix it then I will. I was thinking maybe some dremel and polish.
With the 2moa dot and no bipod I took out the legs of the pvc target at 50 yards. I thought that was more fun than hitting the paper. I had 2 malfunctions where it failed to feed. I took the bolt carrier group out and did a visual on it real quick and realized that the m4 feed ramps were not lined up. The tip of the round would get jammed up in there.

Is there a fix for this or should I contact Del-ton? I am an avid DIYer so if this is no big deal and I can fix it then I will. I was thinking maybe some dremel and polish.
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