Strike Industries Sidewinder Buis Version Ii Sight Set
Strike Industries Sidewinder Buis Version Ii Sight Set, The Sidewinder 2 is the next evolution of SI's wildly successful Sidewinder back-up iron sights. After receiving feedback from competition shooters and military personnel in the field, the sights have been upgraded to easily handle not only 5.56 but larger calibers as well as harsher environments. Mfg: Strike Industries