KCI USA .223/5.56 NATO Drum Magazine for AR-15 - 50 Round
or 4 interest-free payments of $22.50 with 
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Limited Lifetime Warranty what it covers
Product description
KCI USA AR-15 50-Round Drum Magazine: High-Capacity 5.56/.223 Performance
Maximize your AR-15’s firepower with KCI USA’s robust 50-round drum magazine. Featuring a clear polymer body for easy ammunition monitoring and a dual-sided feeding system, this drum offers significantly increased capacity without compromising reliability.
Designed for AR-15, M16, and M4 platforms chambered in 5.56x45mm or .223 Remington, it’s ideal for competition shooting, extended range sessions, or tactical applications requiring sustained fire capability.
Product Highlights:
- Clear polymer body for visual round count
- Dual independent follower belts for balanced feeding
- Steel-reinforced feed lips for durability
- High carbon steel spring for reliable feeding
- Includes carrying pouch, graphite lubricant, and loader
- Alternating left/right feed system maintains balance
Specifications
- Brand: KCI USA
- Model: 50rd AR-15 Drum Magazine
- MPN: KCI-MZ036
- Caliber: 5.56 NAT /.223 Rem
- Capacity: 50 Rounds
- Compatibility: AR-15, M16, M4 (mil-spec lower receivers)
- Materials: Polymer/Polycarbonate body, High Carbon Steel Spring
- Weight: 1.4 lbs
Notes:
- Not compatible with non-mil-spec lower receivers
- Lifetime warranty (void if disassembled)
- Not designed for use with hollow point ammunition
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Warranty & returns
Limited Lifetime Warranty
KCI USA offers a limited lifetime warranty on manufacturing defects on all KCI USA products.
This warranty covers all products manufactured by KCI USA.
This warranty does not cover the following circumstances:
- Misuse of the product such as the use of incompatible firearms.
- Damage caused by improper maintenance.
- Cracked or broken parts from intentional misuse.
- Scratches or minor cosmetic issues which do not affect the function.
- Modification or alteration of the product.
- Improper loading.
- Incorrect ammunition usage.
Products that are defective in materials or workmanship will be repaired or replaced at the discretion of KCI USA.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
