Next Level Armament DLC 6mm ARC/6.5mm Grendel Bolt Carrier Group Black

Next Level Armament DLC 6mm ARC/6.5mm Grendel Bolt Carrier Group Black. The enhanced Next Level NLX 6ARC DLC BCG provides improved function and durability through several integrated improvements over other BCGs. Next Level produces each carrier from 4140ph steel to aerospace tolerances. The expanded rear diameter of the carrier allows for smooth cycling in the buffer tube. We use machined extractors not cast and we include a black insert and O-ring during assembly for reliable extraction. We mac