9mm AR BRT 9mm AR-15 AR15, M16, M4 Made in USAOn SaleBRT 4.0" SUBGUN 9mm AR BarrelBRT 4.0" SUBGUN 9mm AR Barrelwas $105.00 Save 34%$69.00On SaleBRT 5.5" SUBGUN 9mm AR BarrelBRT 5.5" SUBGUN 9mm AR Barrelwas $115.00 Save 31%$79.00On SaleBRT 8.5" SUBGUN 9mm AR BarrelBRT 8.5" SUBGUN 9mm AR Barrelwas $125.00 Save 29%$89.00On SaleBRT SUBGUN 9MM Bolt Carrier GroupBRT SUBGUN 9MM Bolt Carrier Groupwas $149.00 Save 34%$99.00