I use quite a few suppressors. AAC Mini4, M4-2000, 762SDN6, 762SD, Sandman K, Sandman S, Sandman L, Omega 36M, Omega 46M...
My favorite is the M4-2000. All my 51T cans have been converted to HUB.
If I were running subs I would just use a 300BLK barrel.