I had three hunting rifles come in with free-floated barrels that shot all over the place once they got hot. Putting a little pressure on the fore-end with bedding compound made them group tight again, even after multiple rounds. How do you handle bedding for lightweight barrels, or do you always free-float?
I gave my homemade citrus cleaner a shot on a rusty bolt... It cut through the carbon buildup better than I hoped.
I used a cheap label maker from the hardware store. No more digging for small springs or pins.