ATI 15MS450BM Mil-Sport Upper Complete 450 Bushmaster 16 in Black Nitride Barrel/7075-T6 Aluminum Black Anodized Receiver 15 in M-LOK Handguard for AR-15
ATI 15MS450BM Mil-Sport Upper Complete 450 Bushmaster 16 in Black Nitride Barrel/7075-T6 Aluminum Black Anodized Receiver 15 in M-LOK Handguard for AR-15