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Sinclar Hexagon bullet comarator

 
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  #1  
Old 06-05-2010, 07:13 PM
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Sinclar Hexagon bullet comarator

Just got Sinclar's hexagon bullet comparator and I am not sure if this unit is messed up, or it might be me, but I am getting a wide range of messurments from the same bullet. Has anyone had this proble, is it user error, any suggestions?

I was thinking about getting Sinclar's regular comparator but was told not to becasue I am loading the rounds to mag length or less. Any advice on this?

Garett
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  #2  
Old 06-05-2010, 08:10 PM
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Re: Sinclar Hexagon bullet comarator

The hex nut is solid steel. Your caliper is also steel. Your "same" bullet doesn't vary. Might be operator error?

How magazine length could have any effect on loading ammo with a "regular" comparitor I have no idea.
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Old 06-05-2010, 11:23 PM
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Re: Sinclar Hexagon bullet comarator

I thougth it was operator error, just didnt want to admit it. As for the other comparator, just wanted to check with someone else. Could not think of how it would matter if it was bigger or smaller than mag length.
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Old 06-05-2010, 11:36 PM
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Re: Sinclar Hexagon bullet comarator

I use these as well and I just think it's a real 'feel' thing that after doing it a bit, you get the hang of it. Requires a good deal of consistency on the loader's part to get consistent readings.
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Old 06-05-2010, 11:44 PM
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Re: Sinclar Hexagon bullet comarator

I use one and have had to 'learn' how to use it. Over time I have developed a "touch" which works well. Before the 'touch' development there was plenty of operator error.

First and foremost the durn thing doesn't measure 1.000" across. Mine is 0.996" so when measuring base to ogive I zero the digitals on the nut and measure from there. I don't care about the overall length just the length from the base to ogive. I don't know if the "nut" is accurate for this purpose but things work out well from the reference point determined.

Practice measuring the width of the thing working on your 'feel' and moving the 'nut' around in the caliper jaws. I'm assuming you are using a caliper to measure overall length.

My calipers aren't the most expensive. Heck they may be the cheapest. My dial doesn't agree with my digital and I don't know which one is correct. But the differences in measurements are consistent.

When measuring bullet bearing length wiggle the bullet until it has no more wiggle. Then measure and repeat the measure.

When measuring a seated bullet do the same thing but now you have to figure out how to hold the darn thing in the jaws. T'was a bit of a challenge until I learned to lay the "nut" with bullet and cartridge horizontal.

Then you learn that the head of the cartridge drops to the same level as the bottom of the "nut". A bad thing. Rig up something to hold the cartridge head so that the flash hole is centered on the caliber hole in the nut. (There's a better way to explain that but I don't know how.......)

Then when things are level/plumb/etc move the nut and cartridge head in the jaws until you get the smallest reading.

After awhile you catch on and it becomes easier and repeatable.

Good luck and have fun.
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  #6  
Old 06-06-2010, 12:08 AM
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Re: Sinclar Hexagon bullet comarator

I bought the sinclair hexagon bullet comparator and didn't like it. Seems like I had the same trouble getting different reading. So I bought the stoney point insert style bullet comparator and it works great. Sinclair hadn't came out with the insert style when I bought the stoney point.
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  #7  
Old 06-06-2010, 02:16 PM
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Re: Sinclar Hexagon bullet comarator

Thank god I was not the only one that was having a problem. Think I might give it a go for a while, but CA hunting seasons is getting close. Might need to get the Hornady LNL, or the other sinclar style.

Any one know why I would not be able to use the non Hex style to messure mag length loads? I just noticed in the description it states not for mag length or shorter loads. Thanks.
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