338 win mag

22 December 2018, 19:54

nonvalueadded

338 win mag

Anyone figured out any load data for Hornady 270 gr ELD-X bullets. Thinking it should be a good long range bullet. Lapua is already loaded with it. I think the win mag would work. Balistic program from Hornady shows if can pull 2400 fps would still be about 1300 at a 1000. With only 35"down with zero at 200yds. Thinking H4831 or R19. Just curious if anyone has tried them yet

24 December 2018, 22:09

TX Nimrod

Would that very long bullet even stabilize at the .338 WinMag’s velocity? I have doubts. The Lapua pushes it to 2850-2900 fps, well in excess of what the little .338 might manage.

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24 December 2018, 22:24

Magine Enigam

https://en.wikipedia.org/wiki/...onforming_cartridges

Loaded with more aerodynamic very-low-drag bullets such as the traditionally lead cored 19.44 g (300.0 gr) Lapua Scenar GB528 VLD bullet (G1 BC = 0.736) or the Lost River Ballistics J40 .338 17.5 gram (270 gr) CNC manufactured mono-metal bullet (G1 BC = 0.871) the long-range performance and supersonic range of .338 Lapua Magnum rifles can be improved. These longer very-low-drag bullets require a 254 mm (1 in 10 inch) twist rate to stabilize them.

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24 December 2018, 22:32

4sixteen

2500 to 2600 fps muzzle speed should be safely doable for the 270gr ELD-X in the .338 WM. I load the Nosler 265gr AB LR (0.732 G1 b.c.) conservatively at 2600 fps.

According to this calculator the 270gr ELD-X is stabilized by the typical .338 WM 1:10 twist -

http://www.bergerbullets.com/twist-rate-calculator/

25 December 2018, 02:52

RMiller

The 300 Nosler accubond is used in the 338 Win mag. Nosler data shows it to be able to reach 2400. I would not be surprised for the 270 Eld x to hit 2500. R17 or R26 maybe.