Drop more targets with fewer reloads using the ATI® Omni Hybrid AR-15 .410 Shotgun 15-Round Magazine. Featuring a patented, reinforced polymer body with aggressive ribbed texturing, this magazine offers superior durability in a lightweight, easy-to-handle package. Numbered witness holes allow for quick, visual round counts, while a steel wire spring and polymer follower deliver smooth, reliable feeding. Better yet, this magazine includes an ATI .410 bore speed loader for faster, more reliable loading while in the field. Compatible with 2.5” .410 shells ONLY.