The Firing Line Forums

Go Back   The Firing Line Forums > The Skunkworks > Handloading, Reloading, and Bullet Casting

Reply
 
Thread Tools Search this Thread
Old November 30, 2009, 06:57 PM   #1
Nomo4me
Member
 
Join Date: September 24, 2009
Location: Salt Lake City
Posts: 58
338 Fed - 1 in 10" twist bullets

My Sako 85 is bedded right and the bore is clean but it's shooting the 180 grain Nosler AB poorly in several loads tried. The twist is 1 in 10". Would the 200gr be more likely to produce good results with that twist? I wanted the 180 gr to work for farting around at the range.


Thx

Mike
Nomo4me is offline  
Old November 30, 2009, 09:39 PM   #2
Unclenick
Staff
 
Join Date: March 4, 2005
Location: Ohio
Posts: 16,490
10" should be very happy with 180's. Some other issue is at work. How does it shoot other ammo? Also, what have you done to work the load up? Take a read of Dan Newberry's site if you aren't familiar with working up accuracy loads? It is perfectly possible to get a load combination that isn't getting the bullet out at the right time in the barrel's recoil-induced muzzle deflection, thus being exceptionally inaccurate. A different powder or charge weight may do just fine.
__________________
Gunsite Orange Hat Family Member
CMP Certified GSM Master Instructor
NRA Certified Rifle Instructor
NRA Benefactor Member and Golden Eagle
Unclenick is offline  
Old November 30, 2009, 11:11 PM   #3
Nomo4me
Member
 
Join Date: September 24, 2009
Location: Salt Lake City
Posts: 58
I'm wondering if the chamber neck might be oversize: necks from the fired cases measure .371 - 373".
This 85 is a real beauty but I bought a Tikka T3 Hunter in 6.5x55 with Burris FF2 3x9 for $500 Saturday and it's sub-moa with factory ammo with scant recoil and much more fun to fart around with at the range - which is my primary usage.

If the Sako 85 puts up too much of a fight in grouping I'll be tempted to move it along for what I have in it.


I
Nomo4me is offline  
Old December 1, 2009, 01:41 PM   #4
GeauxTide
Senior Member
 
Join Date: April 20, 2009
Location: Helena, AL
Posts: 3,825
I consider the minimum weight for a 338 to be 200gr. My 338-06 loves Hornady and Speer.
GeauxTide is offline  
Old December 1, 2009, 02:37 PM   #5
Unclenick
Staff
 
Join Date: March 4, 2005
Location: Ohio
Posts: 16,490
Mike,

The fired case numbers could be big if the neck on the brass is thinner than normal? Measure the OD of a neck with a bullet seated in it. A lot of commercial chambers run 2-4 thousandths bigger.

You might try semi-neck sizing. Use your regular FL sizing die, but only run the case in far enough that the sizing die is touches down on the sides. You should wind up with a neck resized most of the way, but not all the way to the shoulder. The short unsized portion helps center the bullet in the bore.

Also, you didn't mention if you'd measured loaded cartridge runout? That can make quite a difference to the accuracy of shorter bullets.
__________________
Gunsite Orange Hat Family Member
CMP Certified GSM Master Instructor
NRA Certified Rifle Instructor
NRA Benefactor Member and Golden Eagle
Unclenick is offline  
Old December 2, 2009, 12:04 PM   #6
PTS1
Senior Member
 
Join Date: June 15, 2006
Posts: 246
My Sako 85 in 338 fed does not like the 180 grain accubonds. Best I was able to do was 1.75 inch groups. Loves hornady 200 grainers over 46 grians of Reloder 15. .5 inch groups on that load.
PTS1 is offline  
Old December 2, 2009, 10:38 PM   #7
Nomo4me
Member
 
Join Date: September 24, 2009
Location: Salt Lake City
Posts: 58
Thanks for the post & load. My bedding is muffed though so I'll address the fact that the action slops around freely - fore & aft, in the stock before I head back to the loading bench.
Nomo4me is offline  
Old December 7, 2009, 08:55 PM   #8
oneoldsap
Senior Member
 
Join Date: September 16, 2009
Location: I live in the foot of the Green Mountains of Vermont
Posts: 1,602
.338 Fed.

I have a .338 Fed. barrel off a Ruger 77 and have been thinking about putting it on a 760 Rem. pump . I was thinking a 210 Gr. bullet should work well in the brush . I have a .358 Win that is a 1-12" twist and it loves 225 Gr bullets , sub MOA . So I should think 1-10" in the .338 should work fine. Try a 210 and Post how that works out .
oneoldsap is offline  
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 03:40 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2018 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.07143 seconds with 8 queries