The biggest concern I'd be looking out for with Wolf is short cycling. If you only load one round in a magazine does you bolt consistently lock back after firing the round? If it doesn't you may want to try a lighter buffer.
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