WHAT DOES KNIGHTS ARMAMENT M4 QUAD RAIL MEAN?

Precision/precision tests of the barrel was conducted after a 200 round crack-in time period.  All capturing was accomplished from my bench-relaxation established-up next my regular protocol.Heatshields In Handguard – You'll find heatshields on The within of the handguard to protect the consumer for the duration of prolonged lengths of firing th