PICATINNY ARSENAL, N.J. -- During a firefight, the last thing a machine gunner wants to do is stop fighting to change barrels, but that's how it has always been done with standard, single steel-barrel ...

Utilizing Rays Engineering's monoblock forged construction, the all-new ZE40 from Volk Racing features a clean 10-spoke design and is available in an 18-inch diameter; bolt patterns of 5?100, 5?112, 5 ...