Ran 250-300 rounds of Remington Golden Bullets (purchased in the last month or two) through last Sunday. Few failures to lock the bolt back and pretty dirty/smoky but overall they ran through the gun ok. Not my first choice but good enough for now. Gun is pretty new. It's been cleaned a few times and had only about 125 CCI MiniMags through it a couple weeks before (0 issues with them, a few issues with 2 of 3 ProMags that were easily fixed by a bit of filing on the latch area).