Magwa Posted July 28, 2013 Report Share Posted July 28, 2013 I have loaded for bolt guns and some pistol for 35 years I have all the tools but I have never loaded for a semi auto rifle. So what dies? small base full length, I have never crimped anything so How much of a crimp do i need to do it right? and how do you determine the right crimp? I will be loading for 5.56 and 7.62 or 308 it is the only way I can afford hunting bullets.. help..... lol Quote Link to comment Share on other sites More sharing options...
Tripledeuce Posted July 29, 2013 Report Share Posted July 29, 2013 (edited) Since my ammo in 5.56 is used in multiple guns, I use a small base and full length die to make sure the all chamber. I also use slightly small expander balls, and so, have never had to crimp in any cal. wich include 5.56 , 6.8 , 30 HRT, 7.62X40 and 260 Rem. Respectfully Terry Edited July 29, 2013 by Tripledeuce Quote Link to comment Share on other sites More sharing options...
survivalshop Posted July 29, 2013 Report Share Posted July 29, 2013 I have used taper crimp dies for many years , but the Lee factory crimp die has won me over lately on most of my crimping. How much , depends on the loading & bullet type. I have not done any testing yet on the two different crimping types ,but will later this year. Full length die set will work ,but I also use small base sizing dies on most of my semi auto loads , Because I use the same ammo in different rifles also. Quote Link to comment Share on other sites More sharing options...
planeflyer21 Posted July 29, 2013 Report Share Posted July 29, 2013 Crimping is important on these semi-auto rifles. When we met in Casa Grande, some .223/5.56 rounds were getting pushed back into the case on recoil due to a too light crimp. Too heavy a crimp and you may get pressure variances or the round may seat too deep in the chamber (depending on the cartridge). I also recommend the Lee Factory Crimp Dies! Quote Link to comment Share on other sites More sharing options...
Magwa Posted July 30, 2013 Author Report Share Posted July 30, 2013 I am ordering one of the lee crimp dies today.. thank you all Quote Link to comment Share on other sites More sharing options...
MikedaddyH Posted July 31, 2013 Report Share Posted July 31, 2013 Crimping is important on these semi-auto rifles. When we met in Casa Grande, some .223/5.56 rounds were getting pushed back into the case on recoil due to a too light crimp. Too heavy a crimp and you may get pressure variances or the round may seat too deep in the chamber (depending on the cartridge). I also recommend the Lee Factory Crimp Dies! Very TRUE ! I was getting rid of ammo I made 3 years ago, before I got a feel for the Lee Factory Crimp Die. I now have a second LFCD that is very consistant and is adjusted properly. That makes a difference. Quote Link to comment Share on other sites More sharing options...
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