S&W's M&P FPC features a slim and compact design that allows it to be stowed away and accessible when needed. Compatible with M&P double stack magazines. Features the ability to store additional magazines with in-stock storage; M-LOK handguard; Picatinny rail; charging handle doubles as retainer when folded; reversible magazine catch and 1/2"x28 threaded muzzle with thread protector. Includes four interchangeable palmswell grip inserts, carry bag w/additional storage and Velcro straps, one 17rd and two 23rd magazines.