KNIGHTS ARMAMENT SR-15 16 UPPER NO FURTHER A MYSTERY

The SR-fifteen E3 MOD 2 collection’ five.56mm NATO barrel is manufactured for armed forces quality longevity, which is free of charge-floated inside of a URX4 M-LOK handguard. An enhanced E3 round-lug bolt structure both enhances operate and boosts bolt daily life much outside of the field common.This gripping system consists of putting the assis