Winchester 140gr 6.5 Creedmoor Match ammo Powder??

[WyleWD]

I have a box of Winchester 6.5 creedmoor that shoots well. It has a 140gr BT bullet and 43.5gr of powder in it.

Does anyone KNOW what powder they use? Thanks in advance. WD

 

[Laurie]

Interesting. 43.5gn with a 140gn in the Creedmoor alongside the claimed 2,710 fps MV suggests a slow burning powder, somewhat slower than the H4350 (allegedly) used in the Hornady equivalent. Is it ball or extruded?

 

[rardoin]

I get about that same velocity out of Hornady cases with a 140Berger Hybrid over 43.5gr IMR 4451 seated 0.070" OTL. (24" barrel)

 

[WyleWD]

Interesting. 43.5gn with a 140gn in the Creedmoor alongside the claimed 2,710 fps MV suggests a slow burning powder, somewhat slower than the H4350 (allegedly) used in the Hornady equivalent. Is it ball or extruded?

Kinda what I thought Laurie.

It is extruded and definitely not H4350, and pretty sure it isn't IMR4350 either. WD

 

[rardoin]

I find IMR 4451 a little slower than H4350