AR-10 upper receivers, available through Arm or Ally, are fundamental components that Perform a pivotal job in enhancing the performance and customization of AR-10 rifles, noted for their high quality and compatibility with several configurations and calibers.Alle anzeigen 20x20 30x30 50x50 70x70 100x100 13x18 20x30 30x45 40x60 60x90 80x120 100x150