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Post by isaactc on Nov 20, 2015 16:17:17 GMT -5
Hello again from Traverse City. I am relatively new here on the Forum. I have been shooting my older 7.5" .45 Blackhawk for a year now. I just received a new stainless .45 Bisley Blackhawk with the 5.5" barrel. I currently load 255 gr. Dadra's cast SSWCBB at about 950 fps. My old Blackhawk shoots these loads better than I can. My question is this. Should I follow any particular "break in" procedure on this revolver? I will use cast bullets exclusively. I do reload but have not yet begun casting. Any helpful hints appreciated!
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Post by webley455 on Nov 20, 2015 17:08:31 GMT -5
Shoot it, then shoot it some more.
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Post by nolongcolt on Nov 20, 2015 17:39:43 GMT -5
As above but clean it every once in a while too! The break in thing is hard to quantify one way or the other. I will take the time to do a bit of break in on a NEW RIFLE barrel, but have never thought to do it with a handgun. Like a lot of things I suppose it cant hurt, unless one is ham fisted with the cleaning rod and buggering up the crown or something.
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Post by Markbo on Nov 22, 2015 13:40:41 GMT -5
After some leading issues on 2 different brands of SAA clones with correctly sized lead bullets I decided any new revolver gets shot with jacketed bullets only for the first few 100 rounds. Luck of the draw or not I did not have that issue with the next several new revolvers and after rigorous cleaning & jacketed bullets in the clones their leading hugely minimized as well.
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Post by jeffer on Nov 24, 2015 11:36:27 GMT -5
What Markbo said
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Post by dale53 on Nov 27, 2015 18:47:02 GMT -5
My Ruger SS Bisley .45 Colt/.45 ACP Convertible leaded terribly after just 30 rounds or so of cast bullets. I could not even load the .45 ACP cylinder with my "standard" .45 ACP target loads.
Carefully measuring the cylinder throats (in both cylinders) showed me that they were undersize (.449-.450"). I borrowed a Manson "made for the job" reamer kit complete with pilots and reamed both cylinders. Two friends of mine also bought the same revolver and had the same issues. I reamed their cylinders, also. After reaming all three revolvers and all six cylinders now shoot like an NRA Bullseye gun. They group well under an inch at 25 yards with either cylinder. We are truly "Happy Campers" with our revolvers.
If yours has the same problem (undrsize cylinder throats) it is not expensive to have it corrected. You only have to send the cylinders to the smith and turn around time is around two weeks or so.
Just a thought or two...
Dale53
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Post by bradshaw on Nov 28, 2015 8:15:19 GMT -5
Isaac.... a properly built revolver requires absolutely no break-in. Dimensional irregularity, such as a compression ring at barrel-frame juncture, the result of over-tightening barrel to compensate for premature thread timing, must be discerned and dealt with. Bore roughness is best smoothed with careful stroking with J-B Bore Paste on a TIGHT flannel patch. A hardwood dowel with jag carved on the end works better than a metal rod to hold the patch, as well as for subsequent cleaning.
The J-B works----providing the bore is straight----to smooth a rough rifling which fouls badly with jacketed bullets. Lapping doesn't cure a barrel afflicted by loose and tight spots. Best to replace such a barrel.
Finally, a lousy forcing cone ruins the accuracy of a great drill & rifling job.
David Bradshaw
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