Went down to the loading room and got my notes, so this info is accurate.
All measurements are CBTO
Using a comperator the difference between the Berger 109, 112, 115.
These bullets are very similar in design, so close the the difference measuring to the lands is only .002, with the 109 being the longest to the olgive.
Chamber measurement
The 115 was..2.400 OAL to the lands. Loaded OAL 2.294 loaded CBTO 1.763
The 112 was..2.400 OAL to the lands. Loaded OAL 2.294 loaded CBTO 1.769
The 109 was..2.402 OAL to the lands. Loaded OAL 2.296 loaded CBTO 1.783
Keep in mind these are secant design bullets, secant style bullets like to make a long jump. They do not do well loaded .010-.060 off the lands, they like .060 or more. I believe you can find this info on the Berger website. And this is my findings as well during my load development.
You will be hard pressed getting a short jump out of them loaded to mag length.
Your best bet is loading to CBTO and then making adjustment to get them to fit the mag then measuring the CBTO and noting it for future use.
Now these are my findings with my barrel, yours may be different, and you should always use CBTO to load your rounds for accuracy. Of the three bullets I tested the 109's shot the best groups out to 600, but beyond 600 the 112 and 115 did very well. I shoot the mile range with the 115 only for the windage benefit, but I believe all three could perform at the long range.
Here is a very helpful link for you.
https://bergerbullets.com/vld-making-shoot/
All measurements are CBTO
Using a comperator the difference between the Berger 109, 112, 115.
These bullets are very similar in design, so close the the difference measuring to the lands is only .002, with the 109 being the longest to the olgive.
Chamber measurement
The 115 was..2.400 OAL to the lands. Loaded OAL 2.294 loaded CBTO 1.763
The 112 was..2.400 OAL to the lands. Loaded OAL 2.294 loaded CBTO 1.769
The 109 was..2.402 OAL to the lands. Loaded OAL 2.296 loaded CBTO 1.783
Keep in mind these are secant design bullets, secant style bullets like to make a long jump. They do not do well loaded .010-.060 off the lands, they like .060 or more. I believe you can find this info on the Berger website. And this is my findings as well during my load development.
You will be hard pressed getting a short jump out of them loaded to mag length.
Your best bet is loading to CBTO and then making adjustment to get them to fit the mag then measuring the CBTO and noting it for future use.
Now these are my findings with my barrel, yours may be different, and you should always use CBTO to load your rounds for accuracy. Of the three bullets I tested the 109's shot the best groups out to 600, but beyond 600 the 112 and 115 did very well. I shoot the mile range with the 115 only for the windage benefit, but I believe all three could perform at the long range.
Here is a very helpful link for you.
https://bergerbullets.com/vld-making-shoot/
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