I’ve used this for my revolvers that had lead buildup from heavy semiwadcutter loads.
https://www.brownells.com/gun-cleaning-chemicals/patches-mops/lead-remover/lewis-lead-remover-prod21587.aspx
So I found a good deal on a CMMG pistol lower and decided to build a 300 Blackout pistol. Looked around for some complete uppers, but couldn’t find anything I could afford or that met my specs.
Visited True Prep and talked with David about what I wanted and,he fixed me up with a great kit and...
“We make men without chests and expect from them virtue and enterprise. We laugh at honor and are shocked to find traitors in our midst.”
CSLewis, The Abolition of Man
From the Glock website:
Built on the G30 SF frame, the G30S combines the full capacity .45 AUTO round count with a slimmer slide. This pistol offers a lighter, more easily concealable option for Law Enforcement and legal concealed-carry enthusiasts. Built in conjunction with elite law...
I found a couple of articles on gun lubrication products that I thought were well written and thought out, but again, we are dealing with opinions. YMMV
http://www.grantcunningham.com/2006/05/lubrication-101/
http://lubrikit.com/