Originally Posted by pbcaster45
More testing with the Hornady 129 gr. Spitzer Interlock. This load with Reloader 19 is showing potential but it's still not as good as my hunting load with the Nosler 125 gr. Partition. More work to be done.

Five shots at 100 yards with the Hornady 129 gr. (forgot to measure it)

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Bullet: Hornady 129 gr. Spitzer Interlock
Powder: Alliant Reloader 19 46.0 grs.
Primer: Federal 210
Case: Remington
LOAL: 2.775 (2.259 base to ogive for 0.005 bullet jump to lands)
Average Velocity: 2854.73 fps
Extreme Spread: 51.98
Standard Deviation: 21.86
Comments: Very good accuracy but need to get ES & SD down.

And five shots with the Nosler 125 gr. Partition.

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Bullet: Nosler 125 gr. Partition
Powder: XMR-4350 44.5 grs.
Primer: Federal 210
Case: Remington
LOAL: 2.776 (2.270 base to ogive for 0.006 bullet jump to lands)
Average Velocity: 2938.10 fps
Extreme Spread: 26.15
Standard Deviation: 11.91
Comments: Five shot group at 100 yards 0.679 inches/Five shot group at 200 yards 1.336 inches.



Good stuff. I am getting a rifle re-barreled to .260 right now. The 129 Hornady is my bullet of choice.


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