old nosler partition with groove in shank

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mikeboehm

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I purchased 2 boxes of 338 win mag 225gr nosler partitions. 1 box has all the bullets with a groove in the shank. Will these shoot the same as the other new bullets. I've never seen partitions with a groove
 
The old yellow box screw machine bullets? I just used up the last of the 140gr .264's on various critters .......they are as good as the newer version........Harold
 
mbogo3 said:
The old yellow box screw machine bullets? I just used up the last of the 140gr .264's on various critters .......they are as good as the newer version........Harold
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They work as well as the new version, but may shoot differently. I have a bunch in 2 diameters. Both shoot similar groups, but in the 95 grain 6mm
loadings, the two groups are 2" apart.

Only by trying them will yu know for sure. Dave.
 
I managed to scoop up a box of .338 210gr Partitions from a gun show just before hunting season last fall. They were also the old style machined ones. Most bullets I had tried in my .338-06 grouped horizontally the same, just the vertical impact changed. With these older Partitions the group moved 2" to the right at 100 yards, with 5 shots well within an inch. So I just clicked the scope over 8 clicks to the left and that was that!

You'll have to send a couple downrange to know for sure where they are shooting.
 
No difference in my son's 6.5 T3 dead elk,antelope,bear ,both types of deer and a couple moose later we finally ran out of the partial 50 count box....garage sale purchase......Harold
 
I forgot to mention I have a leupold cds scope and my dial is made for my load using the newer bullets. So they have to shoot the same or the grooved bullets are useless to me

I bought these bullets off a fellow cgn member and he did not disclose that the bullets had the groove.
 
Only one way to find out .......load a few and see if they hit the same place as the others...........Harold
 
mikeboehm said:
I forgot to mention I have a leupold cds scope and my dial is made for my load using the newer bullets. So they have to shoot the same or the grooved bullets are useless to me

I bought these bullets off a fellow cgn member and he did not disclose that the bullets had the groove.
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One could argue that your scope is useless if it won't deal with different bullets.
 
BigUglyMan said:
Precisely my argument against "custom" dials that only work with one load in a specific set of atmospherics.
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I'm very much inclined to agree with B.U.M. on this one. The closest I get to CDS is a B&C, and I can test it with different loads to get points of impact
if I change to a different load. Dave.
 
I don't want to change to a different load. My sako 75 338 win mag with 225gr Partitions shoot a 10 shot average of 2824fps and 1/2" groups. I only shoot this load thru this gun. I have multiple other calibers for other specific species of game
 
mikeboehm said:
I don't want to change to a different load. My sako 75 338 win mag with 225gr Partitions shoot a 10 shot average of 2824fps and 1/2" groups. I only shoot this load thru this gun. I have multiple other calibers for other specific species of game
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Being that the only difference is this groove, I highly doubt it will affect it's flight pattern relative to the "smooth" Partition, all else equal. So while it might have a different POI, the velocity and thus trajectory should be the same. Just re-adjust your scope, set the turrets back to zero, and you'll be good to go!

Again though, "in theory". Only way to know for sure is to shoot a couple of them.
 
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