300 Remington Ultra Mag concerns from Sierra

Gun Docc

Well-known member
Attention Handloaders:

anyone loading for the 300 Remington Ultra Mag please be advised of the following statement from Sierra Bullets

recieved the below statement from Sierra's newsletter

Dear Sierra Consumer:

It has come to our attention that some of the printed loads for the 300 Remington Ultra Mag in our 5th Edition Handgun and Reloading Manual and Infinity Suite Computer Software exceed the SAAMI maximum pressure suggestions. Use of these loads may result in damage to firearms and or bodily injury.

If you purchased your 5th Edition reloading manual or INFINITY Suite computer software program directly from Sierra, or you registered either purchase with Sierra, you will automatically be sent the replacement reloading data for the 300 Remington Ultra Mag.

For purchasers of the 5th Edition Handgun and Reloading Manual, please contact Sierra directly at 888-223-3006 or by email at [email protected] We will send you a replacement section of data immediately. Please remove and discard the pages currently in your manual. This replacement data is also posted at www.sierrabullets.com

For purchasers of the Infinity Suite Computer Software, a program patch is available on our website, www.sierrabullets.com Please click the Download Patch link to receive the program patch.

If you need any additional information concerning this notice, please call 800-223-8799 or send an e-mail to [email protected]

Thank you for your cooperation in this matter.

Sierra Bullets, LLC

Just a heads up so be careful,


Well-known member
Gun Docc

The 300 RUM data issue was brought to my attention last night and I already posted in over in the rifles forum and of course I was going to post it here also, but you already beat me to it..... Good Job and Thank you !!

I guess it wont hurt being in both places?

Regards, Augustis ><>

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