F Ballistic Advantage Premium Series 20" 6.5 Grendel Type II DMR Contour 1:8 AR-15 Barrel - Rifle - 5/8x24 $242.25 BABL65G004P show more like this Calculated in Cart Primary Arms F Ballistic Advantage 20" 6.5 Grendel DMR Stainless Steel Rifle Length AR-15 Barrel - Premium Series $242.25 BABL65G004P show more like this $8.99 Flat Rate Dirty Bird Industries F Ballistic Advantage Premium Series AR-15 20" 6.5 Grendel DMR Barrel Rifle Length Gas System 1:8 Twist - BABL65G004P $251.75 BABL65G004P show more like this Calculated in Cart Classic Firearms