$149.99
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The KCI USA Gen 2 100-round drum delivers the extended capacity you're looking for at the range without the premium price tag. This is a magazine built for folks who want serious firepower during extended shooting sessions and don't mind the bulk that comes with it.
The dual-drum setup is the real story here. Instead of feeding from one side like a standard magazine, this design pulls rounds alternately from left and right drums using two independent follower belts. That balanced feeding keeps the center of gravity fixed while you're firing, which actually makes a difference when you're burning through 100 rounds. Each drum holds 50 rounds, and the whole system is engineered to work as one cohesive unit.
KCI equipped this drum with solid steel feed lips and tension arms that can handle sustained use. The polymer-over-molded construction keeps weight down, so at 2.2 lbs unloaded and 5 lbs loaded, it's manageable compared to what you'd expect from a hundred rounds of ammunition. The magazine exceeds NATO MIL-SPEC standards and is rated for an estimated 50,000-round lifespan, making it a durable option for range days and high-volume shooting.
Loading 100 rounds gets easier with the included loader tool that reduces hand fatigue. You also get an operator's manual for maintenance, a carrying pouch for transport, and graphite lubricant to keep things running smooth. The clear back allows you to see exactly how many rounds you've got remaining without guessing.
The two independent follower belts alternate rounds from the left and right drums, feeding them into the center magazine well. This balanced approach keeps the center of gravity fixed during firing, providing more stable handling than single-side feeding designs. Each drum holds 50 rounds and works together as one unit.
Yes, the drum is designed to hold a full 100 rounds and can be stored fully loaded indefinitely thanks to low-torsion springs. However, many users prefer loading it to 95-98 rounds for smoother feeding, as is common practice with high-capacity magazines in general. The included loader tool makes filling faster and easier.
This drum is engineered for range use and high-volume target shooting rather than defensive applications. Drum magazines are more complex than standard box magazines and require proper maintenance and care. For critical use, standard capacity magazines remain the more reliable choice.
Keep it clean and lubricated using the included graphite lubricant. The magazine is relatively simple to maintain, and disassembly for cleaning is covered in the operator's manual. Avoid hollow-point ammunition, which can cause feeding issues in drum magazines due to their geometry.
| UPC | 851586008016 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KCI-MZ001 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 100-Round |
| Color | Clear |
| Length | 10.5000 |
| Model | |
| Product Type | AR |
| Shipping Weight | 3.025 |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
| Units per Box | 1 |
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