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microgroove

  1. 336
    Marlin started using Microgroove rifling in the early 50's and before that they used Ballard rifling. As I understand the Microgroove was cheaper and easier to manufacture, plus it made the rifles more accurate. Ballard rifling featured fewer grooves but they were more deeply cut into the...
  2. The 45/70 Govt.
    I slugged my barrel & could barely discern the lands from the grooves...so that's a Micro Groove barrel eh? The 2013 Marlin catalog listing for my 'carbine' advertises it's a 'deep cut Ballard rifling'. The factory tech said my 2003 vintage may have the Micro Groove, he can't say, as they did...
  3. 336
    I see that a lot of folks just don't like Microgroove rifling for shooting lead bullets. Since Marlin doesn't offer a choice of rifling in the 336 in 30-30 this must affect sales. I would like to help Marlin stay in business. One way to do that is let them know what you would buy. So, I...
  4. 1894
    Picked up a "new" old Marlin 1894S 44 mag with a microgroove barrel roughly a week ago and couldn't be happier with the purchase. After running the serial number I was able to date it to 1983, which was the same year they added the "dreaded" safety (which I don't mind). Cleaned it up and...
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