The ATI Mag Omni AR 410GA 450BM 5rd magazine from American Tactical is purpose-built to keep your Omni AR platform running smoothly with .410 bore or .450 Bushmaster configurations. Designed around the ATI M410GA5 pattern, this detachable box magazine offers reliable feeding in a compact, easy-handling form factor.

This 5-round magazine is ideal for shooters who prefer controlled strings of fire at the range, in training, or during recreational shooting with their AR-pattern .410 or .450 Bushmaster builds. Its low capacity keeps the profile trim and manageable while supporting deliberate, accurate shooting. Backed by American Tactical’s reputation for practical, shooter-focused designs, it is a straightforward, dependable addition to your magazine lineup.

Key Features:

• Manufacturer: American Tactical
• Model: ATI M410GA5
• Caliber: 410 Gauge / 450 Bushmaster
• Capacity: 5 Rounds
• Product Type: AR-Platform Detachable Magazine