Originally Posted by Tang
How many of you have run factory ammo out of your .300 RUM's across a chrono ?
My reloading stuff hasn't arrived, so I havent gotten to start loading for my Sendero yet. A friend gave me a few older (6+ years old) Remington 180gr loads for it, so I could shoot it a few times. Not sure if it was the cloudy day or not, but it only showed an average of 3180. Does that sound about right ?
That sounds about right .
The SAAMI spec for the 180gr load is 3250 @ 65,000 psi .
A re loader can get a little more but it will exceed the SAAMI pressures.
This is in a test barrel and they are typically a little faster than a factory barrel.
J E CUSTOM