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This guy ^ has it figured out. You also need to do a ladder test. I know it will be expensive but trying different loads that vary by a couple of grains to see what difference it makes will also help you get dialed in.
This!
All the above and trying different powder charges too.Actually Barnes has much different recommendation off their load data website.
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Load Data - Barnes Bullets
Find reloading guidelines and data for your Barnes Bullets products.www.barnesbullets.com
When loading a Barnes TSX, Tipped TSX or LRX bullet, your rifle may prefer a bullet jump of anywhere between .050" up to .250" or more. This distance off the lands (rifling), aka "jump" may be limited to the rifles throat length, magazine length and bullet length.
When selecting the cartridge overall length (COAL) we recommend starting with a minimum "jump" of .050" off of the lands. You can test different seating depths and find a "sweet spot" that your particular firearm prefers. We suggest working in at least .025" increments as follows seating the bullet deeper to allow a further jump. Your test plan could look something like this:
1st group- .050" jump
2nd group- .075" jump
3rd group- .100" jump
4th group- .125" jump
5th group- .150" jump
6th group- * see below
This length can be determined by using a "Stoney Point Gauge" or other methods. You do not have to seat the bullet at, or on one of the cannelure rings. Remember there are many factors that may control or limit the seating depth for your application. You may find that you need to start at around 0.150" off the lands and are not able to get any closer due to limiting factors including proper neck tension and magazine length.
*In rifles that have long throats you may be limited on how close you are able to get the bullet to the lands. In these instances, it is not uncommon to find the best accuracy with a jump of .200" or more.
This jump may possibly stay the same regardless of powder or charge weight within a given rifle. If preferred accuracy is not obtained, we certainly recommend trying another powder, for the powder type and charge greatly affects the overall accuracy of each individual firearm.
FYI- An accurate load requires a bullet with the proper consistent case neck tension which leads to more constant pressures and velocities.
X2.....ask the guide if he works for Barnes in the off season! Use a bullet that you are comfortable with, confident in.
Dang.....you get out more and out of the rocker Old Son! But a great essay none the less!Actually Barnes has much different recommendation off their load data website.
====================================Load Data - Barnes Bullets
Find reloading guidelines and data for your Barnes Bullets products.
When loading a Barnes TSX, Tipped TSX or LRX bullet, your rifle may prefer a bullet jump of anywhere between .050" up to .250" or more. This distance off the lands (rifling), aka "jump" may be limited to the rifles throat length, magazine length and bullet length.
When selecting the cartridge overall length (COAL) we recommend starting with a minimum "jump" of .050" off of the lands. You can test different seating depths and find a "sweet spot" that your particular firearm prefers. We suggest working in at least .025" increments as follows seating the bullet deeper to allow a further jump. Your test plan could look something like this:
1st group- .050" jump
2nd group- .075" jump
3rd group- .100" jump
4th group- .125" jump
5th group- .150" jump
6th group- * see below
This length can be determined by using a "Stoney Point Gauge" or other methods. You do not have to seat the bullet at, or on one of the cannelure rings. Remember there are many factors that may control or limit the seating depth for your application. You may find that you need to start at around 0.150" off the lands and are not able to get any closer due to limiting factors including proper neck tension and magazine length.
*In rifles that have long throats you may be limited on how close you are able to get the bullet to the lands. In these instances, it is not uncommon to find the best accuracy with a jump of .200" or more.
This jump may possibly stay the same regardless of powder or charge weight within a given rifle. If preferred accuracy is not obtained, we certainly recommend trying another powder, for the powder type and charge greatly affects the overall accuracy of each individual firearm.
FYI- An accurate load requires a bullet with the proper consistent case neck tension which leads to more constant pressures and velocities.
180 can be stabilized as long as his gun has a 1/10 twist. He will also need to keep the shooting range short enough to ensure the bullet impacts with 2000fps or so velocity. This will make sure the ttsx bullet expands properly.
It's a new lease on life! But an endless rabbit hole! Once again...unless you are hunting in a state that is lead free....shoot what you are used too!
Agree
TTSX is the one with the blue tip. I did not go to max on the load. I noticed TAC is listed as most accurate and that is why I thought I would try it. Bullets weight is what I think is the problem. But I am a novice and don't know a lot on ballistics
OP's bullet choice/recommendation is Barnes 180 TTSX BT and the twist rate recommendation is 1:11" or faster. I have a SAKO M995 in .300 WM with 1:11" twist and harvested a MT bull elk at 931Y with Berger 190 VLD.
That's with their test rifle, and not necessarily have the same result as anyone else's rifle. YMMV.
