Love the Ruger MPR but needed a few adjustments
I absolutely love this rifle. First 200 rounds shot with zero malfunctions. Shot fiochi 55gr .223, and some federal 5.56 and it ate the ammo up. There are a few things that I found initially that I wasn't too happy with. The handguard wasn't installed evenly, it was slightly off to one side. No big deal, simply loosened set screws and moved it to center. I was worried it would walk off center, after shooting 200 rounds it maintained center. The gas tube roll pin was installed sloppily. It looked like someone was in a hurry and didn't push the pin all the way through, and mushroomed the pin so it wouldn't go in any further. This did not affect the function of the rifle, and I may replace the roll pin at some point.
The bolt and carrier were extremely tight when I first got the rifle, so tight that I had to use the fwd assist to get the bolt to seat. This was resolved with some LCP around the gas rings. The tolerance between the bolt gas rings and carrier is extremely tight. After running the bolt open and closed 100 times and lubing the bolt everything smoothed out nicely. I highly suggest you do this before taking it out to shoot for the first time, it will ensure you have a malfunction free shooting experience.
The trigger is excellent, the 2 stage trigger compliments the enhanced accuracy of the 18 inch barrel. I may actually purchase an other Ruger 2 stage trigger for another AR build I am planning.
Overall a good rifle, just needed a few adjustments which are not a big deal for a rifle which offers such a great value.