KNIGHTS ARMAMENT SR-15 16 UPPER NO FURTHER A MYSTERY

The SR-15 E3 MOD 2 collection’ five.56mm NATO barrel is created for military services quality sturdiness, and is also totally free-floated within a URX4 M-LOK handguard. An enhanced E3 round-lug bolt style both equally boosts perform and raises bolt life significantly outside of the field common.The complete possible with the KAC E3 Improved Bolt