Product Description 16″ Phosphate Barrel, 300 Blackout Thread size: 5/8 x 24 Carbine length gas system 1×8 Twist
.300 Blackout Complete Upper 16″ Phosphate Barrel 15″ Keymod Rail MSRP: Was: Now: $329.99 - $359.99 Choose Options
.300 Blackout Upper Assembly 10.5" Phosphate Barrel 10" Keymod Rail, MSRP: Was: Now: $329.99 - $359.99 Choose Options
AR-15 UPPER ASSEMBLY, 16″ PHOSPHATE BARREL, 15″ QUAD RAIL MSRP: Was: Now: $369.99 - $399.99 Choose Options