foggy11 Posted March 23, 2011 Report Share Posted March 23, 2011 Just a quick question to put out there?? If i change the moderator on my .243, would you think I would need to start all over again with load development? Im pressuning the moderator being 160 grams lighter and 30 mill longer will affect the harmonics? What do you think??? Cheers. Nik. Quote Link to comment Share on other sites More sharing options...
al4x Posted March 23, 2011 Report Share Posted March 23, 2011 just go out and try it, should be fine though may affect zero slightly Quote Link to comment Share on other sites More sharing options...
jamie g Posted March 23, 2011 Report Share Posted March 23, 2011 I don't think your load accuracy would change much. your zero would need to be reset Quote Link to comment Share on other sites More sharing options...
dicehorn Posted March 23, 2011 Report Share Posted March 23, 2011 I don't think your load accuracy would change much. your zero would need to be reset +1 Quote Link to comment Share on other sites More sharing options...
12borejimbo Posted March 24, 2011 Report Share Posted March 24, 2011 :stupid: Quote Link to comment Share on other sites More sharing options...
kent Posted March 24, 2011 Report Share Posted March 24, 2011 presure obviously won't change so try your current load, however the the best in bench rest type accuracy you would need to sort a load again - on a hunting rifle i don't think you would notice a difference other than re-zero in reality Quote Link to comment Share on other sites More sharing options...
foggy11 Posted March 24, 2011 Author Report Share Posted March 24, 2011 I was thinking more along the lines of the barrel harmonics changing , Therefore needing to start again with load development. I was unsure , which is why i put the question out there for the more discerning among you. Or maybe just the ones that know about these things , anyhow.... Quote Link to comment Share on other sites More sharing options...
fizzbangwhallop Posted March 26, 2011 Report Share Posted March 26, 2011 (edited) Think you're right there re-the harmonics Foggy, I changed from a T8 to a Ase Utra Jet Z on my 22-250 skinny barreled Blaser and my tight groups opened up a fraction. Not enough to make me pull apart the rest of the batch of ammo but I'll just do a bit of development before I load up a new batch. Don't think I'll change the seating depth, just the amount of powder. Edited March 26, 2011 by fizzbangwhallop Quote Link to comment Share on other sites More sharing options...
Dekers Posted March 27, 2011 Report Share Posted March 27, 2011 Any change of setup has the potential to change POI. The only way to find out for sure is to try, nevertheless, I would not expect dramatic changes! Quote Link to comment Share on other sites More sharing options...
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