6.5 Swede - Significant OAL difference in 140 CC vs 140 AB

[orchemo]

Took my Finnlight in 6.5 Swede to the range today. I have been breaking in this rifle by shooting 140 gr Custom Comp bullets and she is a fine shooter with these.

Loaded up some 140gr AB with the same powder (RL-22) and the same OAL (3.03). Nosler test data was done with 3.025. The rifle shot these into a 2 inch group ?

Looked at the data that I had for 130 and 140 AB in my Tikkas and they shot well with longer OAL - 3.1
Nosler shows max OAL = 3.15

So...loaded another dozen rounds at 3.1 and will see Friday how they shoot.

Would really like to poke a black bear next week with one of these !!!!

 

[rick smith]

You need to know how far from the lands your bullet is before starting adjustment. Rick.

 

[orchemo]

Backed the OAL to 3.1 inches with the 140 AB and the rifle is shooting great. Where is the black bear?

Going scouting for archery Wednesday. When I was up there last week, there was a fresh bear poop on the road in and lots of poop where we were scouting and watching elk. On the bike ride out, even a fresher poop on the road out.

Cheers

 

[vodekzz]

In my Sako 85 140 AB works great 3.1 oal.
My powder choices are: Norma MRP, VV N560, RL-22 and H4831sc.
All about 46 gr to 48 gr loads.
Lapua brass, CCI2 primers
140 AB it is my deer hunting choice in Wisconsin
Vodek

 

[rodell]

I used the 140 AB at 2655 fps for fallow deer, red stag, Dall ram, Dorsett ram and Blackbuck on a trip to Argentina. All DRT.

White tails are a cinch. I find that I use a longer coal for the AB's as a matter of course.