ES13Raven Posted May 10, 2016 Share Posted May 10, 2016 Looks like my bullet maker changed over to a NLG design for 147gr FP. I'm guessing they are slightly shorter? Should they be loaded to the same length? Do they require slightly less or more powder? Link to comment Share on other sites More sharing options...
v1911 Posted May 11, 2016 Share Posted May 11, 2016 (edited) My results did show that the older lube groove bullets did have a higher PF than those without when using the same OAL and powder charge. http://www.brianenos.com/forums/index.php?showtopic=232070#entry2588764 Edit: the Acme Bullets were NLG, Bayou have lube groove. Edited May 11, 2016 by v1911 Link to comment Share on other sites More sharing options...
usmc90 Posted May 11, 2016 Share Posted May 11, 2016 I found almost no change. But like any other new load re-chrono Link to comment Share on other sites More sharing options...
BMaus Posted May 11, 2016 Share Posted May 11, 2016 If it is the same mould with just the lube groove machined off then the dimensions should be similar and the weight slightly more. ie the PF will be a little higher. Regardless, because I am a pedantic bastard, I measure and weight all new projectiles and adjust accordingly. Then chrono. Link to comment Share on other sites More sharing options...
Sarge Posted May 11, 2016 Share Posted May 11, 2016 I would load them the same and test Link to comment Share on other sites More sharing options...
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