Trigger install for SIG Sauer P238, P938, and the Colt Mustang:
https://www.youtube.com/watch?v=PjtTZTKGn3g
Trigger installation for SIG Sauer P220, P226, P228 & P229:
https://www.youtube.com/watch?v=v9IGO0m6H3w
Extended Magazine Release for SIG Sauer P220, P226, P228, & P229:
https://www.youtube.com/watch?v=oAc_C_qYRWU
https://www.youtube.com/watch?v=PjtTZTKGn3g
Trigger installation for SIG Sauer P220, P226, P228 & P229:
https://www.youtube.com/watch?v=v9IGO0m6H3w
Extended Magazine Release for SIG Sauer P220, P226, P228, & P229:
https://www.youtube.com/watch?v=oAc_C_qYRWU