The Modular Backstrap design of the
GLOCK 17 Gen4 allows one to easily customize its grip to add comfort,
regardless of the shooter's hand size.The surface of the frame features
the new Gen4 rough textured profile. Internally, the new GLOCK dual
recoil spring assembly substantially reduces the wear and tear on the
system.A reversible enlarged magazine catch, changeable at user level
accommodates left and right-handed operators.