Range report--Tryon and Kodiak .54


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Cosmoline
August 17, 2008, 05:56 PM
I took the big iron to the range yesterday to do some sighting in.

The Tryon .54 is one of the slow twist standard models designed exclusively for roundball. The previous owner told me it would be square on with 75 grains FFG, and he was right. This is by far the most accurate ml I've had yet. It was shooting overlapping holes at 50 yards. Before I could try it at 100 I was getting tired, talking to some people and dryballed it. I figured that was enough shooting for the day. I'll be back next weekend to really see what it can do. Ball used was .530 RB with pillow ticking and oatmeal as inert wad.

The Kodiak is another matter. The twist is 1:48, neither fish nor foul. At 25 yards the right barrel shot .535 roundball and light conicals about six inches LEFT. and the left barrel shot the same distance RIGHT. Tweaking loads just raised and lowered the POI. I finally figured out the issue. The right barrel needs to be aimed by a notch on the right side of center, bringing POI to the middle. The left barrel is then fired from another notch to the left side of center. With this arrangement I got them hitting the bullseye at 25 meters. But the factory rear sight is stupid and you have to flip down one sight the flip up the other. I am going to hand-craft a sheetmetal rear sight with two notches in it to hit POI at about 75 yards. But it will take some doing.

http://i17.photobucket.com/albums/b52/Gussick/Tar2.jpg

http://i17.photobucket.com/albums/b52/Gussick/OS3.jpg

http://i17.photobucket.com/albums/b52/Gussick/Tryon2.jpg

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unspellable
August 17, 2008, 07:13 PM
Before you play with the sights, try a conical. When a double rifle shoots cross eyed, a heavier bullet will tend to move the two groups outwards. I've seen loads for the 54 Kodiak using conicals that were said to be accuirate.

Cosmoline
August 17, 2008, 07:46 PM
I tried a range of conicals in light to heavy weight, but they all displayed the same pattern. Right barrel goes left, left barrel goes right.

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