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 10 Coues Coues Whitetail Deer0782d
W H2026 10 Coues Coues Whitetail Deer0782d

A Coues Deer Smorgasbord

Five elusive Coues bucks in three days? Odds for that are low in the Southwest habitat the diminutive deer call home. But that never stopped a family from trying.

A Not-So-Country Gal Might Survive: 5 Things I Learned from my First Hunt

Follow along as American Rifleman's Managing Editor Melissa Dixon goes on her first deer hunt, picking up five important lessons along the way.

Carbon Synergy Climbing Sticks Recall

Hunters and others using Carbon Synergy Climbing Sticks should discontinue their use immediately.

Head to Head: The .35 Remington vs. the 360 Buckhammer

The .35 Remington, or the 360 Buckhammer? Which will take the edge in this latest Head to Head matchup.

Says Me: A Familiar Scene

What defines a trophy? It’s a question every hunter asks and answers throughout his or her career. In the beginning it may be any deer or any buck; the first wallhanger; the first head of Western game; a kid’s first deer; a limit of … whatever. Curious about an answer? Read on.

Elk Hunt Redemption: A Tale of Two Elkies

Struggle makes success sweeter, but it’s also a royal pain in the hindquarters.

Interests



Get the best of American Hunter delivered to your inbox.