SAAMI Announces Acceptance of New Cartridges

by
posted on February 3, 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. **
SAAMI Logo LEDE

The Sporting Arms and Ammunition Manufacturers’ Institute, Inc., (SAAMI) has announced the acceptance of three new rifle cartridges for SAAMI standardization. SAAMI is the organization at the forefront of promoting firearm safety by creating standards that ensure safety, reliability and interchangeability of firearms, ammunition and components.

The three new cartridges are listed below. For more information on each cartridge, click on the cartridge name.

Cartridges

7mm Backcountry—The 7mm Backcountry (7mm BC) was introduced by Federal Premium Ammunition (The Kinetic Group), with a 170-grain bullet traveling at a velocity of 3,000 fps and a Maximum Average Pressure of 80,000 psi.

25 Creedmoor—The 25 Creedmoor (25 CM) was introduced by Hornady Manufacturing Company with a 134-grain bullet traveling at a velocity of 2,810 fps and a Maximum Average Pressure of 62,000 psi.

338 Advanced Rifle Cartridge—The 338 Advanced Rifle Cartridge (338 ARC) was introduced by Hornady Manufacturing Company with a 175-grain bullet traveling at a velocity of 2,050 fps and a Maximum Average Pressure of 52,000 psi.

For further information on these new cartridges, visit saami.org/technical-information/cartridge-chamber-drawings/.

Latest

W H2026 09 Hardwarew3849 TAH 1797Leadredux
W H2026 09 Hardwarew3849 TAH 1797Leadredux

Hardware Review: Dead Air Nomad Ti OTB

Check out Frank Melloni's in-depth review on the Dead Air Nomad Ti OTB.

Shane Mahoney Receives AFWA Lifetime Achievement Award for Conservation Leadership

Shane Mahoney, president and CEO of Conservation Visions Inc., received the Association of Fish & Wildlife Agencies’ (AFWA) 2026 Lifetime Achievement Award at a September ceremony in Lancaster, Pa.

Colorado Voters Reject Right to Hunt and Fish Measure

On November 3, Colorado voters rejected Amendment 83, a proposed constitutional amendment that would have designated hunting and fishing as the preferred means of managing the state’s fish and wildlife populations. To pass, the amendment needed 55 percent of the vote or more. It fell about 10 percentage points short of that minimum.

The 8mm Mauser Family

The 8x57mm, also known as the 8x57 JS, the 7.92x57mm Mauser or the 8mm Mauser, has been with us since 1888, and has directly—or indirectly—brought us a wide array of cartridges which we hold dear. Let's take a closer look at that array.

2026 Federal Duck Stamp Winner Announced: A Synergy of Art and Conservation

The U.S. Fish and Wildlife Service announced in late September that Robert Hautman of Delano, Minn., won the 2026 Federal Duck Stamp Art Contest with an acrylic painting of a long-tailed duck pair (seen above at the official ceremony).

5 Keys To Make This Your Best Upland Season Ever

Tired of walking long distances and coming home empty-handed? Here are five keys to help boost your bag of birds this year.

Interests



Get the best of American Hunter delivered to your inbox.