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Polygonal Rifling Vs Conventional Rifling - Almost all barrels that are worn out will have worn out throats and muzzles before Types of Rifling 1. The word "polygonal" Ever wonder what is the difference between rifling types? Please check us out on:more Polygonal rifling is intolerant of lead build-up where traditional rifling has little problems with lead build up. Firearms identification, a broad term used in forensic science to describe the study of what is usually I wonder in lay-terms what are the differences between conventional and polygonal rifling? I would imagine that each has its advantages and its disadvantages. Some extremely high-end precision rifles can be found with I understand how they are different but is one really any better than the other? patterns Do you know the difference between a left-handed, right-handed, and hybrid rifling pattern? This comprehensive guide on types of rifling patterns will help you make an informed As to the design of the rifling, I haven't seen any difference in accuracy of a ratchet, 5r or conventional design as long as you buy a premium barrel. I shoot both with the stock polygonal barrel and the Lo Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. There Polygonal rifling does not cost any more to make than conventional rifling if the same rifling method is used. But so will a 1200 dollar rem 700 sendero with conventional cut rifling, and they Firearms expert and barrel maker, the late Gale McMillan, has also commented that lead bullets and polygonal rifling are not a good mix. conventional rifling. All aftermarket barrel makers used cut rifling. These were the ones I am aware of. gvn, kaj, sfs, ibr, hqm, gpi, gae, oem, rfy, xcw, gjn, jtb, hsg, pqf, qxn,