Educational Zone #79 - Tightening Up the Groups on an Old Rifle

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Educational Zone #79 - Tightening Up the Groups on an Old Rifle - Page 2

My bright idea was to try some bullets made for the .303 British cartridge.

These bullets are .311 in diameter, instead of .308 diameter, which is the standard for a .30-06.

Here's the two different bullets.

You can see that in addition to having .003" more diameter, the bullet also has a longer driving area.

I loaded up some rounds with 53.0 Grains of AA-4350 and seated the .311 bullets.

Well, only one way to find out if these will work.

We set up some targets at 50 yards, and gave decided to start with some .30-06 Ball I bought from the CMP.

These usually do not shoot too well in this rifle, but shoot fine in other rifles with good bores.