123 MK's

[okie]

does anyone know what speed the 6.5 123 MK "likes" ?? I have a 6.5-284 that is too short throated for the 142's. Any info. will be greatly appreciated. I have not worked up a load yet,just wanted to know what vel. to shoot for. thanks....,long range target work)

 

[BoydHeaton]

They work really well out on my 6.5 Heaton,wssm) between 3050 and 3100

 

[RonSuttle]

In my Hart barrel 6.5X284 w/1-9 twist, I shoot 123g Lapua with 56.8g of VV165, and get 3230fps. With 56.0g, of VV165 I got 3175fps. My gun liked both of these loads.

 

[okie]

Thanks,for the info. now I've got a starting point.