Umarex Glock 18C COMES WITH AN EXTENDED INNER BARREL TO MEET FPS REGULATIONS (ORIGINAL BARREL INCLUDED IN THE BOX)  Full-auto Metal slide Picatinny rail Adjustable Shoot-Up Gas blowback Hi-Cap magazine   VIENT AVEC UN CANON INTERNE PLUS LONG POUR RESPECTER LES RÉGULATIONS DE FPS. (CANON ORIGINAL INCLU DANS LA BOITE) Full-Auto...