Thick vs. Thin
Hey Guys,
Sounds like most of you already have the details on this, as several posters have already nailed it; the bullets designated as "Target" are made with a, new, thicker jacket, while those marked for "Hunting" are the original, thinner jacketed bullets we've always made. Same QC specs are held on both, and the newer bullets with the thicker jackets shoot just as well as the older, thinner jacketed bullets. Like any component switch, we recommend backing the load off and redeveloping it when moving from one style to the other, but other than that, there's no other difference. There is no separate data and their flight characteristic should be identical.
If there are any other questions about the new designs, we'd be happy to discuss them.
Kevin Thomas
Berger Bullets
Mr. Thomas:
I shoot Berger bullets almost exclusively. Having said that, I have had the opportunity to close the meplats on about 2000 of the 155.5 Full Bore bullets for the Palma tryouts (for myself and another shooter). The last 1000 of these were the "Thick Jacket" 155.5 bullets. Respectfully, I can tell you that the Thicks measured more like green box than yellow box, i.e., the QC was not the same.
The Thicks were approximately .016 longer than the standard. The uniformity of the meplats were not as good. The Thicks did not point up as well because there is simply more material (thick jackets) to close. They varried more in base to ogive. They varried more on the Junke. And, there were four bad folds (very short as well) out of the 1000, and three steel polishing balls were found in the boxes. This was lot 1564.
Please note that in this particular meplat prep (basic) was performed with a setup built by Ferris Pindell. I look EACH bullet straight into the meplat two times -- every bullet. I can see the difference before the meplat is closed, I can hear the difference when closing, and I can feel the difference. I am now up to about 50,000 closed meplats since 2002, i.e., so I have a little experience in this area.
Keep in mind that I have not tested the 155.5 Thicks (nor has the other shooter as of yet), and they may shoot as well. But unless you are blowing up bullets, give me the one with the best numbers as it will just be "better" bullet to bullet.
BTW, my testing with the Thick 180 7mm bullets shows basically the same thing -- the standard jacket (now called "hunting") gives better performance than the Thicks. Not only are the "numbers" better, but so is the accuracy. I can close the meplats better, which will give me a more uniform BC resulting in a better waterline vertical at the target. Additionally, the thicker jackets will give you a little more pressure (have to back down the load) because the thicker jackets require more effort to engrave. So, the numbers are not as good, the accuracy is not as good, and the pressure is accelerated, and you have to back off for less FPS. In a contest of Thin vs. Thick, just as in life, Thin wins.
Just my $.02 observations,
Jim Hardy