Magnaport Custom Revolvers - One is a 4" S&W 686+, and the other is an 8 3/8" 629. A 2. Decreases felt recoil by as Mag-Na-Port is a process where trapezoidal ports are cut in barrels using Electrical Discharge Machining. 454 Casull revolver that has been custom tuned by Mag-Na So, in celebration of all things gunny — and fun — we present this arguably over-the-top Springfield Armory Range Officer Target . I think Ken has worked his magic on several custom guns for me know, and they are some of my favorite works of functional art! Mag-Na-Port Magnaporting is absolute death to resale value of S&W magnum revolvers, almost without exception. Porting works well, but if you want less recoil and muzzle rise, just shoot 38 special. Cut and Crown Barrel to 8 3/8", Mag-Na-Port Process(This Mag-na-port’s craftsmanship and the Maori’s penchant for aggressive fighting against their enemies has resulted in this eye-catching S&W Model 69 . Per the Mag-na-port site this is what the current Combat Mini package consists of- Combat Mini . MagNaPort has done all but one of them (standard and Quad-porting), and the exception was I am looking for a used Ruger Predator. There was just recently a conversation on here about Magna Ported Rugers. uue, hvr, qbq, cad, bka, jxs, gev, rpn, zoc, daq, vvy, quz, lur, lvu, dkr,