The 6.5 Creedmoor: Its Origins, Development & Future

by
posted on April 15, 2020
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **

For this American Rifleman TV feature, we pulled the bullet on Hornady’s 6.5 mm Creedmoor cartridge to see what’s inside and why it performs as well as it does.

What began as a mission to create an inherently accurate round for family-owned ammunition manufacturer, Hornady, has grown a 6.5 mm cartridge to become one of the most-talked about precision rifle cartridges of the 21st century.

Black and white photo of Dennis Demille shooting with jacket, spotting scope and competitive gear.

Naturally, American Rifleman TV had to get the inside story, so staff editors headed off to Grand Island, Neb. to the proprietor and manufacturing facility of this relatively new rifle cartridge.

Man looking at computer screen with ammunition design software on screen.


The 6.5 mm Creedmoor’s roots are bedded deep into a game of precision and skill. Dennis Demille, longtime competitive shooter, went to a derivative of the .308 Win. cartridge for design inspiration—the .260 Rem. With a stringent guideline of what this new wildcat needed to follow, Demille and Hornady ballistician Dave Emery, among others, worked to turn Demille’s dream of an over-the-counter load that exhibited performance standards capable to compete at national-level events into a reality.

Close view of a commercial ammunition loading machine.


Demille’s guideline set the pace for the 6.5 mm Creedmoor. Ultimately, the wildcat needed to shoot flat, and to do so high-ballisitc-coefficient 6.5 mm bullets were on call. The cartridge’s overall length with these long, javelin-like bullets needed to conform to magazine length. Recoil was required to be significantly less than what .308 Win. produces. And the cartridge was required to minimize negative effects on the bore.

Hornady Superformance ammuntion box shown with loose ammo, rifle and binoculars.


In 2007, Hornady Manufacturing officially introduced the new cartridge named for the historic Creedmoor range in Long Island, N.Y. Soon after, nearly every barrel manufacturer in the U.S. tooled up to accommodate the once-wildcat cartridge. The 6.5 mm Creedmoor steadily stacked accolades atop accolades, and hunters began to cherish the new-found glory of Hornady’s contribution to the Second Amendment community.

To learn more about the inner-workings of Hornady’s 6.5 mm Creedmoor, check out our American Rifleman TV segment above with host Joe Kurtenbach.

Related Reading
Shooting & Loading the Hornady 6.5 Creedmoor
Tested: Hornady 6.5 Creedmoor
Creedmoor Sports CSR-1 Rifle
6.5 Creedmoor: Rifle & Load
The California-Friendly Creedmoor

Latest

Christensen Rifles factory floor
Christensen Rifles factory floor

Building Christensen Rifles: A Hands-On View

A cutting-edge enterprise takes on the lightweight-hunting-rifle market with models that defy expectations—all without flinching.

New For 2026: 25 WBY RPM

The 25 WBY RPM is the 17th proprietary cartridge developed by Weatherby, a company whose name is synonymous with magnum cartridges and bullet speed.

The Armed Citizen® Jan. 12, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Firearm Industry Philanthropic Efforts Endure, Despite Lagging Gun Sales

Gun sales in 2025 may not eclipse records, but the firearm industry’s generosity continues to abound, even within challenging economic circumstances.

Product : Ten21 Tactical “The Junk Drawer” Tripod Hammock

Precision shooters using tripods to support their rifles can keep miscellaneous gear organized and within reach by attaching The Junk Drawer by Ten21 Tactical to the tripod’s legs.

Review: SAR USA SAR9 SOCOM Compact

The SAR9 SOCOM Compact from SAR USA packs popular tactical features into a compact package.

Interests



Get the best of American Rifleman delivered to your inbox.