CCI Small Rifle 5.56mm NATO-Spec Military Primers #41 For Sale

CCI Small Rifle #41 Primers are purpose-built for M4 bolt carrier primers duty in fast-cycling service rifles. Additionally, this primer uses hardened cup service primers construction to survive repeated firing pin contact. As a result, handloaders reload for AR platforms confidently, knowing the primer was designed for exactly that use case. The mil-spec ignition consistency of the #41 line has made it a long-time favorite among military surplus and clone-rifle builders alike. Therefore, reloaders can stock up through the small rifle primers category alongside CCI Small Rifle 5.56mm NATO-Spec Military Primers #41 for a full bench supply.

CCI #41 Bulk Primer Stock: Specifications

• Primer type: Small Rifle, Military Spec (#41)
• Manufacturer: CCI
• Package options: 1,000 piece or 5,000 piece
• Recommended for: 5.56mm NATO, .223 Remington, AR-15/M4/M16-pattern rifles
• Cup construction: Hardened cup, heavier anvil tension

Specifically, CCI #41 bulk primer stock ships in trays of 100, which keeps large orders organized on the reloading bench.

CCI #41 Bulk Primer Stock: Built for M4 Bolt Carrier Demands

In short, M4 bolt carrier primers duty is more demanding than a bolt-action rifle ever sees. However, the #41’s construction is engineered specifically to handle that punishment. Instead of a standard commercial cup, CCI uses extra material thickness across the primer face.

Why CCI #41 Bulk Primer Stock Uses Hardened Cup Construction

Also, hardened cup service primers resist piercing under the harder firing pin strikes common to direct-impingement and piston AR-pattern rifles. Consequently, handloaders avoid the gas leaks and function issues a pierced primer can cause mid-string. Compare this option with Winchester Small Rifle 5.56mm NATO-Spec Military Primers #41 for a cross-brand comparison.

A Smart Choice When You Reload for AR Platforms

Furthermore, handloaders who reload for AR platforms specifically benefit from matching factory mil-spec ignition characteristics. Therefore, ammunition built with the #41 tends to cycle the same way factory 5.56mm NATO loads do in a properly maintained rifle.

CCI #41 Bulk Primer Stock: Mil-Spec Ignition Consistency

Meanwhile, mil-spec ignition consistency across a full case means fewer surprises during a high-volume loading session. As a result, competitive 3-gun and service rifle shooters can load large batches without worrying about lot-to-lot variation. Shooters loading match ammunition instead may prefer Federal Premium Gold Medal Small Rifle Match Primers #205M. Browse the full primers category for more military-spec options.

CCI #41 Bulk Primer Stock: Frequently Asked Questions

Is it safe to store these primers at home?

CCI Small Rifle #41 Primers should stay in their original packaging, away from heat, open flame, and direct sunlight. Additionally, primers are sensitive to impact and friction, so handlers should never store them loose or drop them. Keep them in a cool, dry cabinet apart from propellant, and follow the NSSF safety resources for handling reloading components.

Which cartridges typically use this primer?

CCI Small Rifle #41 Primers fit small rifle primer pockets, most commonly 5.56mm NATO and .223 Remington chamberings used in AR-15 and M4/M16-pattern rifles. As a result, handloaders reproducing mil-spec ammunition typically choose this exact primer.

How does a military-spec primer differ from a standard primer?

CCI Small Rifle #41 Primers use a thicker cup and firmer anvil than CCI’s standard small rifle primer, which resists slam-fires in service-rifle-style actions. Therefore, reloaders running AR-pattern rifles with a free-floating firing pin should choose the #41 over a standard commercial primer.

What quantities are available?

CCI Small Rifle #41 Primers come in a 1,000-piece case or a 5,000-piece bulk case, both packed as trays of 100. Consequently, high-volume AR-15 handloaders can buy in bulk to keep a consistent lot on hand.

How long can primers be stored before they degrade?

CCI Small Rifle #41 Primers stay reliable for decades when kept sealed, dry, and at moderate temperature. However, humidity and heat cycling can reduce sensitivity over time, so handloaders should inspect older stock for corrosion or discoloration before loading.