In 2007 Magpul introduced the PMAG, a polymer magazine for the AR-15, and the magazine world hasn’t been the same since.Magpul saw the advantage of polymer for this application. The magazine bodies ...

The Post’s investigative series on the AR-15 ... drum magazine. Even a 30-round magazine — the industry standard these days — would have forced him to reload at least once. A 15-round ...

Without modifications such as a bump stock, an AR-15 can fire about 60 rounds a minute. A 30-round magazine is fairly standard with MSRs but ammunition magazines ("drums") holding up to 100 rounds ...

It was made from aluminum and plastic, not the heavier metals ... by The Post was a 1964 clipping from Guns magazine in which Colt pitched its AR-15 Sporter. The ad suggested “this is part ...