CCI Large Rifle Magnum Primers #250 Box
CCI Large Rifle Magnum Primers #250 Box in stock. CCI Primers are continuously tested and improved. As a result today’s CCI primers are more sensitive, easier to seat and more compatible with progressive and automated loading equipment than ever before.

CCI Large Rifle Magnum Primers #250 Box
They utilize modern non-corrosive and non-mercuric initiator mixes for the cleanest burn possible.
Bryan –
I’ve been using the CCI 250 primer for about 15 years in all my hunting rifles. I discovered that I use approx. 1 grain of powder less than with a stand powder. It works especially well in very cold weather. Good shooting.
Bless –
Unfortunately I am severely disappointed in my latest purchase of these primers. Using lot B10S, of 40 loads so far I have had 3 failures to fire and 1 severe hang fire. Upon opening them up 2 burned the powder but failed to ignite it. The last did nothing at all. Using Retumbo and brand new Lapua brass by the way.
Chris –
I load for a 270 winchester. Actually several over the years. When I first started I was not satisfied. A friend advised me to use magnum primers. I was already using CCI and switched to the magnum 250s and have been happy. One half inch or smaller group happy.