WR LONG ACTION DETACHABLE AICS 3.560" FLOORPLATE BOTTOM METAL TRIGGER GUARD .- HOWA 1500 LONG ACTION - the best Howa Detachable Magazine Conversion Kit- WEATHERBY VANGUARD LONG ACTION Same details and principles as the WR Howa 1500 Short Action unit, but to suit the longer action cartridges. Uses the AICS 3.560 magazine for cartridges such as 270 Win, 3006 Spr, 300 Win Mag, 7mm Rem Mag, etc. DROP IN FIT to the factory standard rifle (no inletting required). Please note requires the use of an AI pattern 3.560” magazine. MDT makes an excellent steel 3.560” magazine.