The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, ... PM SW completed its best value M4 carbine bolt and bolt carrier assembly competition in April 2012, ...

I first learned about the Tippmann Arms’ line-up of M4-22 AR-15 pattern rimfire rifles through the company's collaboration with Tandemkross (TK) on the Redline race gun version of this platform ...

The gas block functions as an important part of the M4 and M16’s direct impingement system; it funnels gas into the tube and back into the bolt carrier group in order to cycle the weapon. On the ...

Army engineers compared two M4 bolt and bolt carriers, one treated with DSL and one with CLP. The standard lubricant showed a complete loss of phosphate on approximately 75 percent of the bolt ...

Moving the combat shotgun into the 21st century, the M4 Super 90 effectively combines the familiar with the innovative. (Photo Courtesy of U.S. Marine Corps) ...

The BMW M4 GTS is a limited production car with only 300 coming to the United States. And it comes with an astronomical price tag. ... Fall Line Motorsports F8x M3/M4 Bolt-in Rollbar.

Army engineers and scientists optimized the EPM to work with the M4/M4A1, M16 rifle, and standard military 5.56mm small arms round, the M855A1. The M855A1, known also as the Enhanced Performance ...