USED TRYBE Defense Magnite AR-15 .300 BLK 10.5in Complete Upper Receiver Pistol Length 1-8 5/8x24 Black

USED TRYBE Defense Magnite AR-15 .300 BLK 10.5in Complete Upper Receiver Pistol Length 1-8 5/8x24 Black. 5" M-LOK Complete Upper Receiver chambered in .300 Blackout. Components of this upper receiver include: 10.5 Barrel A high-performance 10.5 government profile barrel milled from 4150 CMV steel with a black nitride coating inside and out. Featuring a 1:7 twist rate 5/8x24 TPI and 5R button rifling this barrel is equipped with a pistol length gas system. To ensure the highest level of safety an