1) Depress the spring plug that protrudes from the bottom of the basepad and slide off the basepad.
2) Remove the factory spring and spring plug.
3) Remove the factory follower.
4) Insert "locking" follower, magazine spring and spring plug.
5) Compress the spring and spring plug and slide the basepad into place.
* This item CAN NOT be shipped to California
** Verify your local and state laws for any restrictions before installing
these parts. It is the users responsibility to verify any legal
conflict with the use of these parts.