7mm-08 accubond seating depth

[Firemedic92]

What seating depth are you guys getting your best groups with?

 

[BuzzH]

They like a jump...

 

[Brian in Montana]

I'd have to look at my notes, but I agree. I'm my 7-08 Accubonds seem to like a little jump.

 

[BuzzH]

Start .025 off...or max mag box length.

 

[Firemedic92]

I have a decent load accuracy wise with imr-4350 but it’s slow. I’ve been messing with other powders and not getting the accuracy I’m looking for. So now I’m messing with the seating depth. Just curious since I see you guys getting great velocity and accuracy.

 

[Doublecluck]

I’ve never had a problem getting accubonds in any caliber to shoot doing normal load buildup and seating them at nosler coal specs which is usually pretty far off the lands in most factory rifles. Certainly one of the less sensitive bullets to seating depth.

 

[N2TRKYS]

Mine are 2.80" COAL.

 

[Dougfirtree]

My experience was that they like a big jump. I got my best accuracy at 2.75"

 

[Firemedic92]

That’s where I’m seated at with my 4350 loads but can’t seem to get the other powders to do well with that. I have some loaded to book specs so I’m a day or two I’ll try those and see what happens.

 

[N2TRKYS]

I've also had accuracy tighten up by switching primers. As if there wasn't enough rabbit holes to go down already, here I go and add another. Lol

 

[huntin24/7]

Do you guys find this to be true for the most part regardless of caliber with accubonds? I’m in the process of developing a load for a 7 mag.

 

[N2TRKYS]

Do you guys find this to be true for the most part regardless of caliber with accubonds? I’m in the process of developing a load for a 7 mag.

I only use Nosler bullets and have found that their suggested COAL in their load data to translate to accuracy in dang near all of my rifles.

 

[Brian in Montana]

I'd have to look at my notes, but I agree. I'm my 7-08 Accubonds seem to like a little jump.

Seems my 7-08 (Rem 700) like 140gn Accubonds loaded with a COL of 2.77 - using a comparator and measuring from the ogive, that would be 2.213.

 

[huronmtns]

My set up - with Sako 7mm-08 with 140gn Accubonds with a COL of 2.807". Comparator length measuring at ogive is 2.247". The jump from the loaded length 2.247" to the lands on my gun is .133".

 

[BuzzH]

Do you guys find this to be true for the most part regardless of caliber with accubonds? I’m in the process of developing a load for a 7 mag.

The only exception I've had is my 7 Rem. Mag. The accubonds shoot best from it, right between .005 and .010 off the lands. I settled on a .010 jump, but it shot just as good at .005.

 

[huntin24/7]

Good info. Thanks.

 

[BuzzH]

Good info. Thanks.

For the record, it shot like total crap kissing the lands.

I went to .050 and it was still fine, but not quite as good as that .005-.010 range.

 

[std7mag]

Seems if you rifle likes them, it really likes them. If it doesn't......

I tried like the dickens to get them to work for me. No luck.
Ballistic Tips, no problem in any of my rifles.
ABLR, my rifles love!

 

[Firemedic92]

Ok here is the update. I tried several different loads today but the one that shined the most was 43 gr of Varget with the 140 accubond at 2.770. Averaged 2900 fps and shot a 3 shot .510 group. Thank you all for the help.

 

[BuzzH]

Ok here is the update. I tried several different loads today but the one that shined the most was 43 gr of Varget with the 140 accubond at 2.770. Averaged 2900 fps and shot a 3 shot .510 group. Thank you all for the help.

Both of the 7-08's in our house use the same...43.0 grains varget/140 AB, with similar accuracy and velocity. You'll be happy with the performance on big-game.