 All variations of the pistol include ambidextrous decocking levers and a reversible magazine release, as well as an integrated tactical accessory rail.In addition, the FNP-45 offers an ambidextrous slide release.According to FNH USA, the FNP line of pistols is the only polymer-framed autoloading pistol on the market (as of its introduction) with fully replaceable frame rails; this allows the pistol to be rebuilt after extensive firing, thereby extending service life.