Defects in NYPD handguns Half subject to jamming By BOB KAPPSTATTER and ALICE McQUILLAN DAILY NEWS STAFF WRITERS Tuesday, August 20th, 2002 More than half of the Police Department's handguns are subject to jam without warning, a potentially dangerous flaw that can leave the weapons as "useless as paperweights," police sources said. Although the jamming is rare, the NYPD has been concerned enough to order a recall of 24,000 semiautomatic Glock handguns so they can be refitted. This problem affects the Glock Model 19S - the gun carried by about 60% of the department's 39,000 officers. The flaw, in which...