Intercooler2 Posted July 9, 2013 Share Posted July 9, 2013 If you have one. I have no idea if any of mine are or not! Also feel free to post a picture of your straight cut so we can compare. I guess none of them are marked to tell the difference? Link to comment Share on other sites More sharing options...
kneelingatlas Posted July 9, 2013 Share Posted July 9, 2013 Its pretty hard to take a good picture of rifling, but here's something which might help: http://en.m.wikipedia.org/wiki/Polygonal_rifling Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 9, 2013 Author Share Posted July 9, 2013 (edited) I saw that before and read all the info. I don't know but both of mine are the same. Edited July 9, 2013 by Intercooler2 Link to comment Share on other sites More sharing options...
kneelingatlas Posted July 9, 2013 Share Posted July 9, 2013 You have the Match, Hunter and a Limited Pro right? Those should all be polygonal rifled, straight barrels. Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 9, 2013 Author Share Posted July 9, 2013 I will see soon enough on the Pro. I was told it is a straight cut barrel without Polygonal rifling. I wish their were an easy way to tell! Reports I have gotten about EAA is they use whatever! My Limited Pro is coming in the good combo case but I have seen others in the plain plastic ones. Same goes for some sight configurations. Link to comment Share on other sites More sharing options...
ogiebb Posted July 9, 2013 Share Posted July 9, 2013 (edited) my Limited pro's does not have a polygonal rifling.. Edited July 9, 2013 by ogiebb Link to comment Share on other sites More sharing options...
Nealio Posted July 10, 2013 Share Posted July 10, 2013 I wish their were an easy way to tell! It is easy to tell......? It either has square ridges sticking up or its shiny with pointy ridges. Take a look at any other gun you have. They should have lands and groove rifling in them. Then you'll know what that looks like. Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 11, 2013 Author Share Posted July 11, 2013 I couldn't decipher it looking at them. Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 11, 2013 Author Share Posted July 11, 2013 I took some pictures to try and figure this out before the Limited gets here. I purchased a bore light today to attempt figuring it out! Razorback Witness Match Witness Hunter 1006 Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 11, 2013 Author Share Posted July 11, 2013 The Razorback 10mm I have no idea. The Hunter and Match is supposedly Polygonal. As for the 1006 it has always been relayed as straight cut but I don't see the subtle differences. Link to comment Share on other sites More sharing options...
bikerburgess Posted July 11, 2013 Share Posted July 11, 2013 The in your pictures, hunter is polygonal the others are all regular. the difference is in the lack of sharp corners between the lands and grooves. look at the crown and on the hunter the line that forms the corner between the barrel and the crown is smooth and curvy, on the others it has corners and strait lections where it transitions from one circle to the other between land and groove. Mike Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 11, 2013 Author Share Posted July 11, 2013 It's hard to photo and get the same look but from what I saw with my eyes the Match and Hunter inside looked the same. Part of why I wish EAA put an ID mark so you could tell Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 12, 2013 Author Share Posted July 12, 2013 I took three more of the Match Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 12, 2013 Author Share Posted July 12, 2013 Two more of the Hunter. It wasn't cleaned :-X Link to comment Share on other sites More sharing options...
JimmyZip Posted July 12, 2013 Share Posted July 12, 2013 Only the Hunter from your photos appears to have polygonal rifling. JZ Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 12, 2013 Author Share Posted July 12, 2013 That makes sense looking at the EAA site then. They list the Hunter, Gold Team and Limited as the only models with Polygonal barrels. So guess it doesn't matter with my Limited Pro or Long Slide kit... they will be standard. Since the Polygonal barrel has less sharp corners wouldn't it actually be better for lead? Link to comment Share on other sites More sharing options...
JimmyZip Posted July 12, 2013 Share Posted July 12, 2013 No. If you were to get lead build up, it won't happen on the grooves as it does on a traditional barrel. It will shed the lead in a more general way, possibly reducing bore dimension. If you load carefully you can do it, but it is best to use jacketed or at least moly or poly coated projectiles. JZ Link to comment Share on other sites More sharing options...
Nealio Posted July 12, 2013 Share Posted July 12, 2013 Run plated. Just slightly more than lead, and performs better than jacketed. Link to comment Share on other sites More sharing options...
djb25 Posted July 15, 2013 Share Posted July 15, 2013 My new 9mm Limited Pro has the polygonal rifling. It's dated CL, which I believe is 2013, so it is fairly recent manufacture. Meanwhile, my brother's 9mm match, which I think is a 2012 dated pistol, has traditional rifling. Link to comment Share on other sites More sharing options...
SDM Posted July 15, 2013 Share Posted July 15, 2013 No. If you were to get lead build up, it won't happen on the grooves as it does on a traditional barrel. It will shed the lead in a more general way, possibly reducing bore dimension. If you load carefully you can do it, but it is best to use jacketed or at least moly or poly coated projectiles. JZ Are the coated as "leading-free" as the jacketed? I'm thinking they might fall somewhere in between the lead and jacketed bullets, but I don't know that. Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 15, 2013 Author Share Posted July 15, 2013 A Limited Pro shouldn't come with Polygonal. Can you take a picture? Link to comment Share on other sites More sharing options...
djb25 Posted July 15, 2013 Share Posted July 15, 2013 I'll try to get a photo tonight. Tanfoglio's website does list the polygonal barrel as a feature of the Limited Pro. EAA's website doesn't mention the polygonal rifling, but their photo is of a small frame model, so I wouldn't put much faith in their description. Also, for anyone that's interested, my 9mm Limited Pro weighed in at exactly 43 oz. Link to comment Share on other sites More sharing options...
Intercooler2 Posted July 16, 2013 Author Share Posted July 16, 2013 Were you ablee to get a photo? Link to comment Share on other sites More sharing options...
djb25 Posted July 16, 2013 Share Posted July 16, 2013 I I tried to get a photo this morning, but the ipad wasn't cutting it. I'm going to have to break out the dslr tonight and use the manual focus. It definitely is not easy to get a good photo of the rifling. I will say that it is hard to tell exactly what type of rifling is used. It seemed fairly obvious it was polygonal when I had my brother's match next to me for a direct comparison, but alone it is a harder to say for certain. Link to comment Share on other sites More sharing options...
Nealio Posted July 16, 2013 Share Posted July 16, 2013 If the barrel is clean it's MUCH easier. Link to comment Share on other sites More sharing options...
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