Machine Guns

The Shrike 5.56, by Ares Defense Systems, is one very cool modification for any AR-15. It replaces your upper and turns your magazine-fed AR-15/M16 into a belt-fed, without any modification whatsoever to your lower receiver. Thus, the Shrike 5.56 upper allows the weapon to fire with either linked-ammunition OR magazines, and it is designed to fit ALL AR-15 and M-16 …

by David Crane david (at) defensereview (dot) com Photo Credit: FSSG June 5, 2001 Every once in a while, something comes along that is so interesting, it is simply hard to believe that it’s actually possible–that it really exists. The FSSG Fire-Selector System is just one of those things. In a nutshell, this is the single coolest aftermarket product we’ve …