My truck gun. A LAR Ops 4 side charged upper, White Oak barrel in .22 PDK(necked down and improved 6.8spc) with linear comp, MI gen II float tube, Spikes lower, Magpul CTR stock, and topped with an IOR 2.5-10x42 ill. mil/mil scope.
It's a 20 inch barrel. The groups were very good when it was new,around 1/2 moa. I have about 700 rounds thru it and now it's starting to open up to 1 moa. I'm not sure of the culprit, but I think it's excessive carbon buildup in the break and crown. It's my truck gun and doesn't get pampered as much as it should. It's due a good cleanin' all over really. The .22 PDK is an awsome round. 60gr HP at 3490 fps, 50 Nos BT at 3760. I still get 3370 with 69 bthp match out of the 20 in barrel. You can ring the 800yd steel over-n-over-n-over, and for a calling gun it anchors coyotes much better than a .223.