The SMR MK8 also characteristics Geissele’s proprietary two.25″ prolonged barrel nut. This raises the area contact where the rail interfaces Using the receiver and generates a System that can be trusted to be straight and correct the whole duration of the totally free float rail. Markings In the centre top https://claytonujuiq.ampblogs.com/knights-armament-m4-quad-rail-can-be-fun-for-anyone-63378882