6BR loading for 105 Amax (N140?)

[bewsh]

In the absence of Varget I am going to be working up a load for a new rifle arriving next week with N140, Norma brass, CCI450 and 105gr AMax

 

 

I can see a range for the powder of 25-31gr

although book MV data seems low at 2750-2775fps

 

am interested to see if anyone is using N140 effectively for 105s?

[BR 700]

This is my load, haven't changed it since.

[bewsh]

that'll do!

 

thats 300yds right?

 

good MV from that which is promising

[onehole]

I,m comfortable with 30.5/140 with Fed GM primers,,,this is showing 2800 appx at 10 thou off in a tight neck 25" Bartlein,,,,,primers flattening a little but feds probably would anyway,,,,,,,,,Have always used Vit 140 for this combination and bullet weight,,,,,O

[bewsh]

thanks

mines a bartlein too. a .272" no turn neck

[gunner]

Br 700 what barrel length you running ? As my load H4895 "28.4" is 2720fps from a 25 " yours is a little quicker ! unless your runing a 28 or somewhere thereabouts ? Cheers.

[BR 700]

It's a 26" Kreiger barrel, no neck turn. It was tested in August and my notes said 24oC

Subsequent tests have shown similar velocity.

[Toby]

Isn't N150 also a good powders for this combination?

Also interested why you have gone for Norma brass when pretty much everyone else rates Lapua as THE brass to use in 6BR?

[Toby]

Isn't N150 also a good powder for this combination?

Also interested why you have gone for Norma brass when pretty much everyone else rates Lapua as THE brass to use in 6BR?

[Tuck]

Norma Brass is as a good as Lapua if not better in my own humble opinion

[paratrooper]

I use 27 grains of reloader 10 in conjunction with 87 grain v max..Good speeds with 100% burn rate...

[bewsh]

Isn't N150 also a good powder for this combination?

Also interested why you have gone for Norma brass when pretty much everyone else rates Lapua as THE brass to use in 6BR?

 

 

the lot I had was very inconsistent in the neck thickness and outer diameter (same thing really on factory inside neck sized brass!)

The comparable norma lot I had was much more consistent

As I am No Turn outside neck sizing with Redding bushing dies on this cartridge I figured it would make sense to go for the most consistent

The rest of my loading is done inside neck sized with a collet so less critical

 

The only experience I had with Lapua brass was incredibly fast work hardening resulting in lack of obturation with even fruity loads

hard on the 2nd or best case 3rd firing

 

I also use Norma in every other cartridge from .222 through 300wm

can't fault the stuff

[paratrooper]

Bewsh. Where do you purchase your Norma brass from please..

Cheers..