SAAMI Publishes 7mm Backcountry Cartridge Specifications

by
posted on February 27, 2025
** 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. **
LEDE 7Mm Backcountry Cartridge Drawing

The Sporting Arms and Ammunition Manufacturers’ Institute (SAAMI) recently announced the acceptance of Federal’s new 7mm Backcountry (7mm BC) rifle cartridges for SAAMI standardization. SAAMI is the organization leading the charge in promoting firearm safety by creating standards that ensure the safety, reliability, and interchangeability of firearms, ammunition, and components. SAAMI’s Technical Committee, which consists of firearm and ammunition industry experts, reviewed the 7mm Backcountry submission for about six months. The official cartridge name, maximum cartridge and minimum chamber dimensions, pressure limits, test equipment, and other characteristics are all considered and scrutinized during the process.

“We all at Federal are once again excited to have a new cartridge accepted by SAAMI,” said Federal’s vice president of product development, Jesse Whiteside. “The 7mm Backcountry, with a 170-grain bullet traveling at a velocity of 3,000 fps and a Maximum Average Pressure of 80,000 psi, passed the organization's robust review process and is now an active standard. SAAMI’s published standards for the 7mm Backcountry will help expand this ultra-fast and accurate new cartridge to be used in shorter barreled, suppressed hunting rifles across the industry.”

Federal’s 7mm Backcountry is a new high-performance hunting cartridge boosted by new, patented Peak Alloy case technology. To learn more, visit federalpremium.com. Also check out American hunter's coverage of the cartridge here, featuring an interview between America's 1st Freedom Editor in Chief Frank Miniter, and Mike Holm of The Kinetic Group. The two go in-depth on the unique features of the cartridge, the original idea behind it and the success it has already seen in the field.

SAAMI allows free access to technical data and drawings for the cartridge and chamber designs, which are posted in the Information and Specifications section of the organization’s website. All cartridge and chamber drawing documents, including the one above, are within the ANSI/SAAMI Standards and can be found on saami.org.

Latest

S&W Model 29 In 44 Mag
S&W Model 29 In 44 Mag

Bear(ly) Armed—Bear Defense Calibers

A perusal of some fun and effective sidearm options for your spring black bear adventures.

First Look: Lumenok Adds Two Lighted Crossbow Nocks

Lumenok has introduced two additions to its lighted nock lineup: the TP 254 Nock for TenPoint bolts and the SQ300 Nock for Scorpyd crossbows.

Range Review: Winchester Supreme Long Range Ammo

Winchester's latest ammunition line is the Supreme Long Range centerfire rifle ammo, and that line is built around its BC Max projectile. Using a thick, drawn copper jacket, steep boattail at the rear and a relatively oversized polymer tip, the BC Max bullet is built for resisting wind deflection and retaining energy downrange. Check out Phil Massaro's review of the new ammo line here.

First Look: Hunter Specialties Trio of Deer Calls

Hunters Specialties has announced an all-new lineup of grunt tubes for 2026.

Arkansas Has Best Turkey Harvest in Two Decades—a Product of Sound Management

Arkansas turkey hunters checked 13,591 turkeys during this year’s season, which ended May 10. It was the highest spring turkey harvest since 2006.

Hardware Review: Thompson/Center Encore ProHunter

Check out our review of the T/C Encore ProHunter, a new version of the legendary switch-barrel muzzleloader from Thompson/Center.

Interests



Get the best of American Hunter delivered to your inbox.