KYregular
Member
- Joined
- Jan 4, 2018
- Messages
- 760
I have about 75 of these I want to load, now that I know the 208 Amax is obsolete. Testing today with 51.5 grains of IMR4350 went as follow.
Load length 2.662 at ogive
51.5 grains IMR4350
5 shot group
2506 avg fps
Extreme spread 4
Std deviation 2
Sub moa 100 us a
52 grains IMR4350
5 shot group
2514 avg fps
Extreme spread 32
Std deviation 18
1.5" group
Anyone else worked a similar load? Is 2500 or so fps suitable for this round?
Load length 2.662 at ogive
51.5 grains IMR4350
5 shot group
2506 avg fps
Extreme spread 4
Std deviation 2
Sub moa 100 us a
52 grains IMR4350
5 shot group
2514 avg fps
Extreme spread 32
Std deviation 18
1.5" group
Anyone else worked a similar load? Is 2500 or so fps suitable for this round?