** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Q. What is the difference between ...

A rifle’s barrel is very important. It has a great deal to do with the precision a rifle can deliver. It contributes to the overall length, weight, and balance of the rifle, and to muzzle velocity as ...

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First, welding began to replace riveting in ship-and plane-building (TIME. Dec. 15). Now cast steel is replacing forged steel, and in tanks it is replacing both riveted and welded armor plate.