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A&D FX-120i

Hi Guys. New to posting on the forum. I have a A&D FX-120i and have always had pretty good results with it. I unfortunately had to step away from the sport for a year or two. When I went back to reloading I had rebarrelled my F-Class rifle and needed to work up a new load. When I did my powder ladder I double checked each round after recalibrating the scale. I went to the range very confident that I had done all I could to get accurate measures in each round. Much to my surprise and dismay my muzzle velocities were, in my opinion, scattered. I would get two (of three) very close but more often than not end up with a "flyer" that was up to 25-30 fps off. Mostly higher.

Using a bayonet style Magneto XFR chronograph

Anyone else experiencing this? Advice?

Thanks in advance
 
I have had similar results on 1.250 Straight Barrels and the MS Crono,
It does not give accurate results for me with the thicker barrels. Works great on everything under 1.000 inch
however.....getting a Labradar now.
 
So does the powder get changed, the bullet, the powder type..?

It depends. I lean toward changing powder first I guess. I recently worked up loads for six identical company rifles. They were all 300 PRCs shooting 212 ELDXs. Four of them like N570, two liked H-1000.
 
For some reason I can't quote your reply, but in reference your 15 load tuning ladder....

Then it didn't like any of the loads you tired. Whenever this happens to me, I change the powder or the bullet.

Since you know you are precisely measuring powder, and assuming the rest of your loading practices are at a similar level; then it's not how you are loading.

Bad groups a sign of a load the barrel doesn't like, and in this case the high ES is confirmation the barrel isn't happy.
 

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