Took my new PS90 TR out for a try today. 350 rounds of mixed SS197 and SS195. Ran like a top, ZERO problems. Sighted in the Aimpoint T-1 at 50. Great little sight. I was hitting an 18" steel plate 300 yards out easily. Small targets at 5-7 yards were no problem either. I thought the sight height on this thing would make a big difference in POI vs. POA up close but it really doesn't. Last of all, I like the "clank" like sound the PS makes after you fire when the bolt chambers a round. Music to the ears. Now my only worry is feeding it.