Mar 30, 2015 · Copper Plated Bullets So far I have been loading only lead and coated lead heads and wanted to try copper plated. X-Treme sells copper plated for about $.02 more than what I have been paying for lead 45ACP 200 Gr SWC. Jun 30, 2009 · Reloading The .40 S&W (WC= WadCutter, SWC= Semi-WadCutter, HP= Hollow Point, RN= Round Nose), (JHP= Jacketed Hollow Point and if GC indicated, means Gas Check at bottom of lead bullet) Loads for .40 S&W special: ( .400 dia. bullet)(case length .850") Shorter version of the 10mm and they are NOT interchangable. LOS copper plated bullets consist of compact lead cores and special thick plating. This gives bullets maximum protection from the lead, making them highly appropriate for shooting in indoor shooting ranges. Bullets are additionally calibrated to achieve the highest possible performance.