Lubrication is very important on all firearms even though some will run very well dry like the Glock and AK-47. Lubrication will reduce wear and increase reliability. Learn how to properly lubricate the Sig P220, P226 and P229 pistols from a professional gunsmith at Brownells. The video is short and easy to follow. My own caveat with this lubrication video is the amount of oil applied to the Sig pistol. I recommend applying oil and then wiping off the excess with a clean dry patch. I believe a micro thin film of oil works best.