If your shooting these from an AR, first thing I would do is switch the primer. match primers could cause you to have a slam fire and damage something in your rifle, or hurt someone! I would suggest the CCI 41 primer, it's a military primer made for gas guns which require a higher pressure to cycle. I greatly improved my accuracy with those primers in my AR. one more thing, faster burning powders (other than Varget) work better for my accuracy and cycling of the rifle. I use the standard COL for all my reloads 2.250"-2.260" max unless a shorter length is called for.
Lock and load, the zombies (democrats) are coming (to take your guns)!