6.5 CM data with 123gr bullets

[krw]

I recently picked up a Sako S20 in 6.5CM. I literally have 1000’s of 123 SMK’s and Scenars. I am gonna start out with the Scenars. I currently load 40.5gr IMR4064 with the SMK’s in a 260 Rem I have and get 3000fps. I would like to shoot in the 2800-2850 range with the CM. Just a plinker, play rifle, 600yd max
I do not have quikLoad. Any suggestions on where to start would be appreciated. I hav a lifetime supply WW748 but I have doubts I can get good results with that
Thanks!!

 

[bobke]

Have used 39ish Varget with 123 Scenars in a 20” Proof CF AR platform, though have more recently switched over to H4350. 2835fps, low SD’s and very accurate. 42.3gr gets me there.

 

[WasNH4X]

I recently picked up a Sako S20 in 6.5CM. I literally have 1000’s of 123 SMK’s and Scenars. I am gonna start out with the Scenars. I currently load 40.5gr IMR4064 with the SMK’s in a 260 Rem I have and get 3000fps. I would like to shoot in the 2800-2850 range with the CM. Just a plinker, play rifle, 600yd max
I do not have quikLoad. Any suggestions on where to start would be appreciated. I hav a lifetime supply WW748 but I have doubts I can get good results with that
Thanks!!

Per Hodgdon 2022 annual loading manual....123 SIE HPBT......w748 ... 37.0 @ 2650 45,600 psi......... Max 40.8 @ 2900 58,900 psi

 

[Numenur]

6.5 creedmoor using 39.8 gn of Varget I'm getting 2875 and 1/2" at 100yds . Using 44.4 gn of Reloder 16 gets the 123 grain to 2960 , but my group was better with Varget . Not many shoot the 123 grain , but more for me ,lol. Lapua makes a 123 grain with a G1 BC .527 that pushed fast enough would make an interesting 1000yd projectile. Easy to push these to 3000fps with RL 16.

 

[stello1001]

6.5 creedmoor using 39.8 gn of Varget I'm getting 2875 and 1/2" at 100yds . Using 44.4 gn of Reloder 16 gets the 123 grain to 2960 , but my group was better with Varget . Not many shoot the 123 grain , but more for me ,lol. Lapua makes a 123 grain with a G1 BC .527 that pushed fast enough would make an interesting 1000yd projectile. Easy to push these to 3000fps with RL 16.

Not many that you know of use those 123s. But the grendel community loves them!

 

[krw]

600 bout as far as I shoot. Have had couple bolt Grendel’s and still hav 18” Lilja bbl’d upper. I just cannot jump on the Grendel bandwagon