large rifle magnum primers
These non-corrosive, all weather primers deliver fast, dependable ignition under any shooting condition. Primers are constantly and rigorously tested for consistency and sensitivity at temperatures and conditions far beyond the range of normal usage. Winchester guarantees better sensitivity for more positive firing in all guns,
carefully-controlled weights of primer mixtures, consistency in size and quality, precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity
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Quantity Information:
- Box of 1000: 10 Sleeves of 100
- Box of 5000: 5 boxes of 1000
Made In United States of America
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
large rifle magnum primers
Brian Sanderson –
These primers are top-notch for magnum rifle cartridges. I use them in my .300 Win Mag, and they ignite consistently with every pull of the trigger. Never had a misfire or dud—Winchester quality at its best!
Laura Mitchell –
I hunt in freezing temperatures, and these primers perform flawlessly even in extreme cold. My .338 Win Mag loads fire with perfect reliability, no matter how low the temps drop.
Ryan Peterson –
If you’re serious about precision shooting, these primers are a must. My .300 PRC reloads have never been more consistent, and my groups have tightened up at long range. Couldn’t be happier!
Megan Carter –
I reload for my 7mm Rem Mag, and these primers have been outstanding. They seat perfectly, burn clean, and provide a strong, consistent ignition. Highly recommended for magnum calibers!
Jason Davis –
These primers handle high-pressure loads extremely well. I use them in my .338 Lapua Magnum, and they’ve been 100% reliable. Never had a failure, and my velocities remain incredibly consistent.
Kimberly Harris –
I’ve gone through a few thousand of these primers, and they all seat perfectly and burn consistently. I use them for my .300 Weatherby Magnum loads, and they always perform as expected.
Matthew Roberts –
Winchester Large Rifle Magnum primers have been a game-changer for my long-range reloads. My 6.5 PRC rounds are now more consistent than ever, and I’ve noticed a significant improvement in shot-to-shot variation.
Sarah Williams –
I’ve loaded thousands of rounds with these primers, and not a single one has failed. They ignite cleanly and provide reliable performance every time. My .270 WSM reloads have never been better!
Derek Anderson –
These primers are my go-to for high-performance magnum cartridges. Whether I’m loading for hunting or target shooting, they deliver consistent ignition and pressure control. Winchester nailed it!