CCI 41 Primers Small Rifle 5.56mm NATO-Spec 1000


CCI’s Mil-Spec No. 41/5.56 primer provides the most reliable, consistent ignition. It’s built to military specifications and specifically designed for use in 5.56 cartridges.



CCI 41 Primers are subjected to ongoing testing and improvement. Therefore, CCI primers today are more sensitive, easier to seat, and more compatible with both progressive and automated loading equipment than they were in previous generations. They make use of modern non-corrosive and non-mercuric initiator mixtures in order to achieve the cleanest possible burn.


Note from CCI:

Effective slam-fire prevention requires more than mil-spec primers. Headspace, chamber condition, firing pin shape and protrusion, bolt velocity, case condition and other factors can affect slam-fire potential.

cci 41 primers for sale | cci 41 primers in stock

Military-style semi-auto rifles seldom have firing pin retraction springs. If care is not used in assembling ammunition, a “slam-fire” can occur before the bolt locks. The military arsenals accomplish this using different techniques and components—including different primer sensitivity specifications—from their commercial counterparts. CCI makes rifle primers for commercial sale that matches military sensitivity specs that reduce the chance of a slam-fire when other factors go out of control. Use the same data as CCI Magnum primers.



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