02-03-2022, 12:21 AM
If we keep the conversation technical without getting personal, it will benefit everyone.
A lot of people try to provide helpful tips without knowing the experience of others.
Varget tends to be too bulky for Grendel. It will spit it out the end of the rifle, but not as fast as some other powders.
For 130gr cup and core bullets, N540 is a good powder. So are Power Pro Varmint, BL-C(2), AA2520, CFE223, LEVERevolution, and TAC.
If you look at Sierras data, they publish it with Varget up to 123gr, then didnt use Varget under their 130gr bullets, including the TMK.
Hornadys jacket thickness on their cup and core (non-bonded) bullets tends to be a bit more forgiving with start pressure, so you can see pretty noticeable max charge weight differences with say a 129gr SST vs a 130gr Norma. Thats from the same test breach with the same powders.
If you can find some LEVERevolution or Power Pro Varmint, they will give you the most velocity and max case fills.
I would treat the ELD-M and TMK differently per standard load protocols unless you see parallel velocities and trends per charge weight increase, using no more than .3gr increments.
Another thing that helps avoid meplat and ogive deformation is a VLD seater stem.
Let us know how it works out.
A lot of people try to provide helpful tips without knowing the experience of others.
Varget tends to be too bulky for Grendel. It will spit it out the end of the rifle, but not as fast as some other powders.
For 130gr cup and core bullets, N540 is a good powder. So are Power Pro Varmint, BL-C(2), AA2520, CFE223, LEVERevolution, and TAC.
If you look at Sierras data, they publish it with Varget up to 123gr, then didnt use Varget under their 130gr bullets, including the TMK.
Hornadys jacket thickness on their cup and core (non-bonded) bullets tends to be a bit more forgiving with start pressure, so you can see pretty noticeable max charge weight differences with say a 129gr SST vs a 130gr Norma. Thats from the same test breach with the same powders.
If you can find some LEVERevolution or Power Pro Varmint, they will give you the most velocity and max case fills.
I would treat the ELD-M and TMK differently per standard load protocols unless you see parallel velocities and trends per charge weight increase, using no more than .3gr increments.
Another thing that helps avoid meplat and ogive deformation is a VLD seater stem.
Let us know how it works out.
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com