THE BEST SIDE OF FRT-15L3

 This was just before Bore Buddy produced bolt weights, so I just avoided really significant velocity ammunition.  I'd settled on subsonic by then, so it had been no real sacrifice."This is the modification needed to get the Better-Mag S&W Adapter to work Along with the CMMG Sear Excursion, just file off that little bit of needless product that i