Discerning shooters know that when it comes to ammunition—attention to detail, quality components, and careful craftsmanship make all the difference. Steinel Ammunition Co. (formerly XCaliber) is a premium ammunition manufacturer Dedicated to Every Round™. We painstakingly develop and meticulously test our ammunition to provide you with the confidence, performance, and dependability you need in any situation (target shooting, hunting, competition, and self-defense).
Below you will find a few of our best selling cartridges.
Steinel Ammunition Co. focuses on rare and large bore cartridges like 458 SOCOM, 450 Bushmaster, 45/70 Government, 7.75 x 48 Arisaka and others. This focus allows us to refine our processes and testing for exceptional performance and reliability. We back every order with a no-questions satisfaction guarantee—and you’ll be delighted with our fast shipping and responsive customer service.
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What our customers say…
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“Your 325 group a cloverleaf at 50 yards with my 8″ pistol… Will order some more.”
—Jerry D. -
“That expansion and penetration is literally perfect.”
—Steven S., During gel test recovery regarding 325 FTX -
“Your 300s are more accurate than I am past 75 yards.”
— John D., Mentor, OH -
“Ran those 45s through my full-auto. Awesome. A little hot for my XDS, but I always shoot lighter target loads through that gun.” — Customer
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“Your defensive rounds are hot…and accurate. Keep ’em that way.”
—Eastlake Gun Show Customer -
“I was pleasantly surprised by how clean your coated lead shoots.”
— Summit County Gun Show Customer -
“Excellent accuracy from a proper 10mm loading. I will definitely be ordering some more.”
—Brian Y. -
“Finally got a chance to shoot those 10s, man. WOW- those things BARK.”
—Dave, ARGC Member
