W e l c o m e ,    d e m o
Inactivity  time-out:  1 hour 

Detailed load info storing
over 30 data points.
Now in our 18th year!
Thanks, 'wevickers', for renewing your subscription. We appreciate your support!
CURRENTLY LOGGED IN   black=free member   red=paid subscriber    (What's the difference?)
cploswald and 1 demo visitor
Where else can you compare the ballistics for up to 8 rounds and display the results in easy-to-read, colorful charts?
  "...I want to let the folks at AmmoGuide know how much I appreciate the service and information they offer and how much I have relied on it. It has been my “go to guide” both as a primary source or a complementary source for every reload I have made and used since I first subscribed. Thank you for helping make my shooting and reloading hobbies more safe and enjoyable..."
  -- C.H. of Mesa, AZ, 5/20/2018  

There are no loads available yet for the
6.5 Prometheus

  Print Friendly Similar diameter rounds Add Load
What does this round convert to? Compare Add Round to Your Favorites List
Case Diagram/Image
Available Loads

About AmmoGuide Case Diagrams

Standard American S.A.E. (in.)
Metric Metric (mm.)

Bullet Diameter:
.264 in.
Rifling Twist:
--Join FREE--
Rifling Lands:
--Join FREE--
Case Capacity (est):
--Join FREE--
Primer Size:
--Join FREE--
Bullet Weight:
--Join FREE--
Muzzle Velocity:
--Join FREE--
Muzzle Energy:
--Join FREE--
6.5 Prometheus at AmmoGuide.com 
6.5 Prometheus at AmmoGuide.com
"Easy Link" to this cartridge (copy and paste into emails, forums, etc.):
6.5 Prometheus - http://ammoguide.com/?catid=858

The original case dimensions were created in May 2011 for the "7.62 PRO" then re-designed and necked down to 6.5mm in February, 2012 by Pro Martusheff specifically for the Sako TRGS M995 action. The idea evolved in the spring of 2011 and became reality wh... --Join FREE for more--
(Thanks to Pro Martusheff for submitting this cartridge.)

Ammo Encyclopedia, 6th Edition
Choose another cartridge:

NEW MEMBERS:  Today:  Previous 7 days:  9 Previous 30 days:  37
LOGINS:  Today:  60  Previous 7 days:  2977 Previous 30 days:  13905
MISC:  Loads:  31768 Cartridges:  1111 Newest Member:  mikedmac76
You are logged into AmmoGuide.com using the DEMO account.
To login to your personal account (or to create one FREE), CLICK HERE
-- JAVA is a registered trademark of Oracle and/or its affiliates --

Hide Right Sidebar
NRA Business Alliance: The Business of Freedom
Enjoy all the features of AmmoGuide for one low annual fee!
If you are a reloader and NOT taking full advantage of AmmoGuide Interactive for just $21.95/year, WE'D LIKE TO KNOW WHY. Please tell us