


GSM Outdoors ATI Alpha Maxx SGA Gen 3 .410 GA 18.5 In 6 Round
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GSM Outdoors | ATIGAX41013ML (Alpha Maxx Gen 3) | MPN: ATIGAX41013ML | UPC: 810113112053 | Black | .410 Gauge | Semi-Auto | 18.50" Barrel | 5+1 Capacity | Polymer Stock
M-LOK handguard / MM4 stock. Flip-up front and rear sights.
Specifications:
- Brand: American Tactical Inc (ATI)
- Manufacturer: GSM Outdoors
- Model: Alpha Maxx Gen 3
- MPN: ATIGAX41013ML
- UPC: 810113112053
- Category: Semi Auto Shotguns
- Caliber: .410 Gauge
- Gauge: 410 Gauge
- Action: Semi-Auto
- Capacity: 5+1
- Barrel Length: 18.50"
- Barrel Type: Smooth Bore
- Finish: Black
- Color: Black
- Frame Material: Smooth Bore
- Stock Material: Polymer
- Stock: MM4 (MLOK-compatible) Stock
- Handguard: M-LOK compatible
- Sights: Flip Up
- Front Sight: Flip Up
- Rear Sight: Flip Up
- Trigger Type: 2.50"
- Hand: Right
- Product Type: 2
Technical Specifications
| Caliber | 410 GAUGE |
|---|---|
| Gauge | 410 Gauge |
| Chamber | 2.50" |
| Capacity | 6 |
| Barrel Length | 18.50" |
| Action Type | Semi-Auto |
| Finish | Black |
| Weight | 7.52 lbs |
| Frame Material | Smooth Bore |
| Stock Material | 6 Position ATI-SR1 |
| Barrel Description | Smooth Bore |
| Sights | Flip Up |
| Trigger Type | 2.50" |
| Safety | Manual Safety |
| Grips | Pistol Grip |
| Magazine Type | Polymer AR Style Magazine |
| Manufacturer | GSM Outdoors |
| Model | ATIGAX41013ML |
| SKU | S875596 |
| UPC | 810113112053 |
| Magazines Included | 1 5 rd. |
| Availability | In Stock |
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Shipping & Returns
Ships to your local FFL
This firearm ships to a licensed dealer (FFL) near you for pickup, not to your home. You'll choose your FFL during checkout — and if you don't have one in mind, we'll help you find a nearby dealer. You complete the background check and pick it up there.
Shipping Information
- Orders typically process within 1-2 business days
- Firearms ship via FedEx or UPS with signature required
- Tracking information provided for all orders
- Shipping costs calculated at checkout based on weight and destination
- Total delivery time to FFL: typically 3-5 business days
Return Policy
- Firearms must be returned unfired and in original packaging within 3 days of FFL transfer
- 15% restocking fee applies to all firearm returns
- Contact us for return authorization before shipping items back
- Original shipping costs are non-refundable
Questions?
Contact us at 502-272-4859 or submit a question for assistance with shipping or returns.
What is MAP Pricing?
MAP stands for Minimum Advertised Price. It's a policy set by manufacturers that limits how low retailers can advertise their prices.
The good news? We can often sell below MAP - we just can't show that price publicly. When you request a price by email or add to cart, you'll see our actual (often lower) price.
This isn't a trick - it's how we stay compliant while still offering you the best deals possible.







