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Posted: 3/28/2006 5:36:28 AM EDT
| I have read alot of different ways of doing break in on 50 BMG, I also have heard some say it is not needed, Any comments out there from people who haven't broke their barrel in? How many rounds thru it? How is your accuracy? |
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IIRC, you are an member of the F.C.S.A, so log in and do a search. There is so much input and good advice that I would not even be a to condense it here. Good Luck! I have been firing a shot and running several patches of Montana 50 BMG cleaner through my Steyr. Also use an nylon brush. I gradually increase the number of shots between cleanings. The Montana cleaner removes the copper, however, lotsa MONIA in there!     !
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Here is some barrel break in tips from Pac Nor, a quality barrel manufacturer: "For best results, of course, it is necessary to 'season' it and use proper cleaning equipment. We like the Dewey coated rods, a good bore guide, copper/bronze brushes and cotton flannel patches, the appropriate size to keep that jag and rod in the middle of the bore. You will need a good bore solvent, like KG 3, Shooters Choice or CR-10 to loosen the fouling, followed by a scrubbing with Holland's Witches Brew or KG 2. After cleaning, nullify the solvents with rubbing alcohol and patch dry. Finish with Tetra Gun Oil, KG 4 or Holland's Bbl Break-in Fluid. Never shoot a dry bore as this will greatly promote copper fouling. Chris recommends: Shoot one, clean, for first ten rounds; shoot three, clean, for next thirty rounds; shoot five, clean, while working up load. Allow bbl to cool to the touch before testing a new load to avoid unnecessary throat erosion." |
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