A:
Remember many caliber/gauges share the same diameter. Such as .410 gauge is the same diameter as=45-70, .45acp, .45 long colt, .45 Russian, and etc. Use your reloading guide to figure out which of your guns share the same diameter and buy a Boresnake that will accommodate your longest barrel in that diameter. I never by the pistol length Boresnake. I always get the equivalent diameter in the rifle length, which covers all my weapons sharing that diameter. Plus, one pull of a rifle length "snake" through your pistol's barrel and your done.