I use synthetic safe GS and it works well, especially on those heavy use .22s. Amazon has BF Powder Blast on sale, 16oz cans for ~8.97ea. I have zero experience with powder blast. Is it any good? Does it mess with plastic? Reviews are all over the board about damaging plastics.
https://www.amazon.com/gp/product/B...3e95b&pf_rd_r=S5WKNEXXCF4M74C50A87&th=1&psc=1
https://www.amazon.com/gp/product/B...3e95b&pf_rd_r=S5WKNEXXCF4M74C50A87&th=1&psc=1