These handy adaptors cost less that the NEA replacement receivers, require no permanent modifications to your rifle, and allow you to use AR15 magazines and especially the RRA LAR15 10 round mags in your Swiss rifle. You can switch back by simply loosening three screws.
Note the picture of a mounted system is the prototype unit, the individual unit shown second is the production unit. The changes simplified machining and but do not affect utility.
To ensure correct fitting we ask that we do the first installation. Kit includes one modified magazine that can be used to adapt others, or you can purchase spares from us. $225 installed.