I have a couple cheaper barrels that are actually pretty decent cast bullet shooters chambered in 300BLK, currently still on uppers but I'll pull them if there is interest. They are both heavier profiles. I have shot both of these a bunch with cast bullets and killed deer with the longer barrel using 110gr Barnes.
1. RedXarms 9" stainless steel pistol length gas system, threaded 5/8x24, 1:7 twist. $65 Shipped
2. Bear Creek Arsenal 16" parkerized carbine length gas system, threaded 5/8x24 1:8 twist SOLD to sixgunner
Please PM me if interested sixgunner had a scammer email him about sending payment.