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Ballistic Tip Removal
Old 09-10-2009, 08:11 AM
subsonic subsonic is offline
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Lightbulb Ballistic Tip Removal

I've been trying to find a way to seat bullets closer to the rifling in my .308 Remington 700 5R, since the poly tipped hunting bullets I've tried do not shoot as well as the match bullets and the biggest difference I can find in the bullets is that the hunting bullets have longer noses due to the poly tip, and secant ogives, resulting in a longer "jump" to the rifling when seated to mag length.

The bullet I *want* to use is the 180gr Nosler Accubond. But the jump to the rifling when loaded to max OAL that will fit in the magazine is about .170" That's a lot.

The length of the poly tip is, ironically, .170". So you can guess what I was thinking.

I grabbed the tip with pliers and tried to pull it off/out. No go. It just smashes. Then I decided to try to cut it off with a box cutter. THAT WORKED! And was easy to make "even" on the tip. Some rubbing on a piece of sand paper laying flat on the table made it nice and even with the jacket.

A meplat trimmer from Sinclair *might* be in my future, depending on how this works out.

Now I can load right up to the rifling if I want.

My only question is what will the effect be on BC by increasing the surface area of the tip from .045" to a meplat of .145"? My SWAG is that it will reduce BC by about .050 from looking at similar bullet designs. So BC will likely drop from "about .500" to "about .450"

I strongly suspect the on-game performance will be the same, or more likely better.
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