Looking at picking up one of the Wyatt's 4" extended center-feed magazines for the Sendero .300 RUM. Just wondering what it takes to install them... you guys having them installed... or taking the Dremmel to your receivers? I'm not too concerned about the install... I'm a fairly astute guy, just wondering if it was worth paying a 'smith to do it, or if it's something I could tackle myself. If anyones has pictures they can post of one installed, I'd really appreciate it too. Thanks.