APX A1 grip frame kit consisting of:
Grip frame with magazine release
Backstrap S
Backstrap M
Backstrap L
Backstrap fixing rod
Completely and easily interchangeable, the grip frames for APX are free for sale because they are NOT serialised (the serial number of the weapon is stamped on the internal chassis).
Compatible with:
APX A1 FS
APX FS (but in this case you will need holsters for the APX A1 as the picatinny rail under the dust cover has different dimensions)