Bravo_Victor Posted July 10, 2019 Share Posted July 10, 2019 (edited) Whenever i see load data for 9 major MG 124gr JHP, i notice people are loading out to 1.160 up to 1.170. However with my KKM barrel my max seems to be around 1.146”. I get different barrels vary in dimensio but do KKM’s have a shorter throat? Edited July 10, 2019 by Bravo_Victor Link to comment Share on other sites More sharing options...
MemphisMechanic Posted July 10, 2019 Share Posted July 10, 2019 It’ll be heavily dependent upon the shape of the projectile. Having the chamber reamed so you can load as long as you want is the way to go IMO! Link to comment Share on other sites More sharing options...
36873687 Posted July 10, 2019 Share Posted July 10, 2019 Most builders ream the barrel for longer loads. Have 3 kkm barrels an all needed reamed Link to comment Share on other sites More sharing options...
Bravo_Victor Posted July 10, 2019 Author Share Posted July 10, 2019 15 minutes ago, 36873687 said: Most builders ream the barrel for longer loads. Have 3 kkm barrels an all needed reamed Mine an Akai. Whats interesting is that the MG CMJ max OAL is over 1.2 yet the JHP seems so short. Link to comment Share on other sites More sharing options...
echotango Posted July 10, 2019 Share Posted July 10, 2019 I had all mine reamed to run 1.172". Link to comment Share on other sites More sharing options...
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