26 Nosler erratic

Joined
Nov 25, 2023
Messages
5
Has anyone been able to get a 26 Nosler to shoot accurately and consistently?

My experienced crew has built 4 of them so far. Two of the builds were my personal rifles that I spent countless hours trying to tune for low ES as well as small groups. The best that I could achieve was 1" groups and 40 fps ES. Unless I dropped the loads way down to 3,000 fps and at that point I might as well shoot my 6.5 SAUM.

All rifles had 24-26" PROOF, Bartlein, or Brux barrels. All where built on Defiance or BAT actions.

At 3,200-3,400 fps they all shot very erratic with high BC bullets and temp stable powder.

My theory is that this is simply too much powder behind 143-156gr bullets.

My 6.5 SAUMs however perform exceptionally well with the same bullets providing 2,950-3,200 fps from 20-26" barrels.


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GSPHUNTER

WKR
Joined
Jun 30, 2020
Messages
4,135
Might better adjust powder charge until you find one that will be consistent. Maybe something below 3000 FPS.
 

kthomas

Lil-Rokslider
Joined
Sep 1, 2022
Messages
100
It's a very overbore cartridge.

A lot of problems seem to show up in cartridges when you try to push projectiles beyond 3,000 fps, IMO.

Jacketed projectiles with soft lead cores are put under a lot of pressure when pushed that hard.
 
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