Jgun Posted August 12, 2011 Report Share Posted August 12, 2011 Survivalshop, I would agree with you, that what I am trying to do here is at the high end of what this cartridge is capable of, kind of like what we do when we shoot 9mm Major in IPSC pistol. I noticed that the load listed by RSilvers (who I would consider the authority on the cartridge) for making major is 20gr of A 1680 behind a 175 SMK bullet loaded in "new production Remington 300 BLK brass) As soon as I get the Rem brass and some of the Alliant powder, I plan to try that load as well as picking up where I left off with my load development, but this time using the Rem brass. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted August 12, 2011 Author Report Share Posted August 12, 2011 Bro ,if you want me to send you some of my Rem. brass ,PM me, I can part with some . I like the cut down LC better any way .Its had two loadings .You know all you have to do is buy some of the subsonic 220 gr. loads out there to get some rem. brass & I'm not sure it will fix your problem. Quote Link to comment Share on other sites More sharing options...
pvanwagner Posted October 12, 2011 Report Share Posted October 12, 2011 Did you get your major PF load worked out? I started with the info Mr. Silvers load, but having 168gr Sierra MK's and the load data from Accurate Powders I'm making 325 PF using 20.1gr of A1680 and the OAL that he recommends. I've had no signs of excessive pressure at the neck or at the primers. Quote Link to comment Share on other sites More sharing options...
Jgun Posted October 12, 2011 Report Share Posted October 12, 2011 I've actually managed to make major out of my 18" barrel, with room to spare, using 145, 155, and 175gr bullets, all using LIL GUN powder. Now that I have accomplished that goal, I'm planning to see what the lightest bullet I can make major with is. I'm hoping that the lighter bullets will give me the flattest trajectory while still being acceptably accurate. I've got some 125's that I'm going to try next. If they make major I think that will be it for my load development, because I don't think I like the 110's for this use, if not I'll try the 130 and 135's. Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted December 6, 2011 Report Share Posted December 6, 2011 my new guns and ammo mag had in their monthly g&a reloads a section on .300 blk with 14 bullets, powder combos Quote Link to comment Share on other sites More sharing options...
Jgun Posted December 6, 2011 Report Share Posted December 6, 2011 Is that the Dec issue? Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted December 7, 2011 Report Share Posted December 7, 2011 january with the stag 3gun rifle on the cover Quote Link to comment Share on other sites More sharing options...
survivalshop Posted December 9, 2011 Author Report Share Posted December 9, 2011 january with the stag 3gun rifle on the coverCan it be posted here ? Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted December 9, 2011 Report Share Posted December 9, 2011 Couldn't find on their web site but it might be worth picking up. The only other way is I can scan it and post it but I the the text would be tiny. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted December 10, 2011 Author Report Share Posted December 10, 2011 I'll see about picking one up . Quote Link to comment Share on other sites More sharing options...
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