1) Depress the spring plug that protrudes from the bottom of the basepad and slide off the basepad.
2) Remove the factory spring plug and replace with the new aluminum retainer.
3) Compress spring & plug into magazine body and slide on the basepad.
* This item is NOT eligible for International Shipping
** 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.