JP Recoil Eliminator APA Fat Bastard 3 or 4 port Muscle Brake Holland 1.240" Rad. Baff. QD Brake APS 3 port Painkiller Looking at them for a 7mm RUM. How do these compare to each other in terms of performance? I know they are all great brakes. Looking for feedback from guys who have experience with more than one of them. Thanks in advance!