We got lucky on our timing with the purchase of these rice barrels,,, i talked to Jason a couple times lately and the wait for a blank is 8-10 months right now!! I traded a fellow for an 18 twist rice barrel (blank) (for use on my renegade)... i just sent it to rice to be turned into a "drop in" for my renegade. (Jason said it should be finished in 2-3 weeks) .. when its done and my hawken barrel gets back from blueing, i'll have a couple to test this summer! Should be fun!!! if you get a good load posted,, i'll have a real head start!! i would say our 2 barrels are very similar, if not identical??? i'm hoping the paper patch ones will do well