Feegee Dean Matlock Posted November 28, 2014 Share Posted November 28, 2014 I have a CZ Czechmate and all the data I have looked at don't really say anything about ammo over 125gr, and was just wanting to know why? Sorry in advance if this is a stupid question. Link to comment Share on other sites More sharing options...
Hi-Power Jack Posted November 28, 2014 Share Posted November 28, 2014 The big difference with an OPEN gun is the compensator ... To make the comp work efficiently, you want a LOT of GAS produced. That means that the more powder you use, the more gas ... You get to use more powder with lighter bullets. Some people do use heavier bullets - but most use light bullets and heavy loads of slow powder to produce a lot of gas. Link to comment Share on other sites More sharing options...
Matt1 Posted November 28, 2014 Share Posted November 28, 2014 I used to run lighter bullets in my Czechmate but after speaking to a top Aussie shooter who's got one I'm going to try 150gn's. He felt that it that particular gun that the heavier bullets would work. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Dranoel Posted November 29, 2014 Share Posted November 29, 2014 Secondly, the heavier the bullet the more recoil. Recoil is what you are trying to get rid of. Why add more? Link to comment Share on other sites More sharing options...
Feegee Dean Matlock Posted November 29, 2014 Author Share Posted November 29, 2014 I have been shooting open for just a little bit now and love it, but still trying to get the dot to move just that right amount. I think I will just stick with the 115, and 124's thanks for the info. Link to comment Share on other sites More sharing options...
mach1soldier Posted December 3, 2014 Share Posted December 3, 2014 Feegee, I experimented with 147 bullets but there aren't many powders that will make Major safely. All seemed to kick way more then necessary. Link to comment Share on other sites More sharing options...
Sarge Posted December 3, 2014 Share Posted December 3, 2014 Gas is what makes comps work. Less bullet, more powder, more gas Link to comment Share on other sites More sharing options...
grantwoodok Posted January 6, 2015 Share Posted January 6, 2015 I shoot 700X out of a 38SuperComp gun with a 147Grn bullet and it feels light and muzzle rise is such that the dot moves within the glass by what appears to be an inch or so. Video's show almost not perceptible muzzle rise. Feegee has shot my gun so he can comment on the feel. I do have the PT S/S grip so that does help with felt recoil. Link to comment Share on other sites More sharing options...
Alaskapopo Posted January 11, 2015 Share Posted January 11, 2015 The statement the heavier the bullet the more the recoil is not true. Recoil is a combination of bullet mass and bullet velocity. In non comped guns you actually get less perceived recoil using heavier bullets to get the same power factor as lighter ones. Pat Link to comment Share on other sites More sharing options...
Front Man Posted March 10, 2015 Share Posted March 10, 2015 I think there is a ton of difference between 124's and 115's. 115 is my favorite. Link to comment Share on other sites More sharing options...
MMC Posted November 20, 2015 Share Posted November 20, 2015 I need to try 115s in my czechmate. Link to comment Share on other sites More sharing options...
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