The Sig P220, P226 and P226 all reassemble very similar to the Glock which is about 4 steps.
- Insert barrel in slide
- Insert recoil spring assembly
- Push slide onto frame
- Turn slide release lever
It is super easy but like I have said before if you have never done it before it can be challenging. Learn how to reassemble the Sig P220, P226 and P229 auto pistols from a professional gunsmith at Brownells. The video is short and easy to follow.