Here 24/7 Wall St. is taking a look at the future ... with the proven short-stroke gas-operated piston. The gun is highly modular and capable of mounting a series of optics and other tactical ...

To determine the guns used by U.S. Green Berets, 24/7 Wall St. reviewed a catalog of ... Operations Command to replace the Colt M4A1 modular automatic rifle, which had been a long-standing staple ...