Rifle length is much smoother than a middy or carbine setup. The pressures are much lower due to the gas port being 2x the distance of a carbine setup. If you are really set on it, try an adjustable gas block.
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul