# American Tactical Imports Semi Automatic Rifles - Guns For Sale

American Tactical Imports semi-automatic rifles include the ATI Omni Hybrid Maxx, Milsport, and Alpha-15 lines, with AR-pattern models in 5.56 NATO, .300 AAC Blackout, .224 Valkyrie, and .450 Bushmaster. This tag brings together lightweight rifles, optic-ready carbines, tactical configurations, and compact Omni MAXX P-series options.

Browse ATI semi-auto rifles by caliber, barrel length, platform style, and intended setup, from 5.56mm carbines to .300 Blackout tactical rifles and .450 Bushmaster builds. These American Tactical models give catalog shoppers a focused way to compare modern sporting rifle options from the same maker.

## Featured Firearms (23 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [ATI MilSport .450 Bushmaster Semi-Auto Rifle, 16" Barrel, Black](https://gunsnation.com/p/ati-milsport-450-bushmaster-semi-auto-rifle-16-barrel-black/UCEQg2mfD) | .450 Bushmaster | - |
| [ATI Omni Hybrid Maxx .300 AAC Blackout 16" Tactical Sport Rifle](https://gunsnation.com/p/ati-omni-hybrid-maxx-300-aac-blackout-16-tactical-sport-rifle/UCEQg2nh5) | .300 AAC Blackout | - |
| [American Tactical Galeo Poly 5.56mm Rifle - Lightweight & Durable](https://gunsnation.com/p/american-tactical-galeo-poly-5-56mm-rifle-lightweight-durable/UCEQg2n7x) | 5.56 NATO | - |
| [American Tactical Milsport, 5.56mm Semi-Auto Carbine - 30-Round](https://gunsnation.com/p/american-tactical-milsport-5-56mm-semi-auto-carbine-30-round/UCEQg2mSi) | 5.56 NATO | - |
| [ATI Omni Hybrid Maxx P4 .300 Blackout Semi-Auto Rifle](https://gunsnation.com/p/ati-omni-hybrid-maxx-p4-300-blackout-semi-auto-rifle/UCEQg2mV8) | .300 AAC Blackout | - |
| [Omni Hybrid Maxx 5.56 NATO Tactical Pistol - 7.5" Barrel, 30 Rounds](https://gunsnation.com/p/omni-hybrid-maxx-5-56-nato-tactical-pistol-7-5-barrel-30-rounds/UCEQg2nhC) | 5.56 NATO | - |
| [Omni Hybrid Maxx P3 .300 AAC Blackout 16" Tactical Rifle - Black](https://gunsnation.com/p/omni-hybrid-maxx-p3-300-aac-blackout-16-tactical-rifle-black/UCEQg2ngN) | .300 AAC Blackout | - |
| [Omni Hybrid Maxx 5.56 Rifle, 16" Barrel - Tactical Precision](https://gunsnation.com/p/omni-hybrid-maxx-5-56-rifle-16-barrel-tactical-precision/UCEQg2npI) | 5.56 NATO | - |
| [American Tactical Milsport - 5.56mm Optic Ready Carbine](https://gunsnation.com/p/american-tactical-milsport-5-56mm-optic-ready-carbine/UCEQg2n7Z) | 5.56 NATO | - |
| [American Tactical Milsport 5.56 NATO Semi-Auto Rifle - Black](https://gunsnation.com/p/american-tactical-milsport-5-56-nato-semi-auto-rifle-black/UCEGH23wS) | 5.56 NATO | - |
| [ATI Mil-Sport 6 ARC Semi-Auto Rifle - Black, 18" Barrel, 10 Rounds](https://gunsnation.com/p/ati-mil-sport-6-arc-semi-auto-rifle-black-18-barrel-10-rounds/UCEQg2o9S) | 6mm ARC | - |
| [ATI Omni Hybrid Maxx: Tactical 5.56 NATO Semi-Auto Rifle, 16" Barrel](https://gunsnation.com/p/ati-omni-hybrid-maxx-tactical-5-56-nato-semi-auto-rifle-16-barrel/UCEQg2nfb) | 5.56 NATO | - |
| [American Tactical Omni Hybrid MAXX P3 Semi-Auto Rifle 5.56mm](https://gunsnation.com/p/american-tactical-omni-hybrid-maxx-p3-semi-auto-rifle-5-56mm/UCEQg2mHl) | 5.56 NATO | - |
| [ATI Omni Hybrid Maxx 6MM ARC Tactical Precision Rifle](https://gunsnation.com/p/ati-omni-hybrid-maxx-6mm-arc-tactical-precision-rifle/UCEQg2o9j) | 6mm ARC | - |
| [ATI Milsport .300 AAC Blackout 16" Tactical Rifle](https://gunsnation.com/p/ati-milsport-300-aac-blackout-16-tactical-rifle/UCEGH23EW) | .300 AAC Blackout | - |
| [ATI Omni Hybrid Maxx - 5.56 NATO Semi-Auto Rifle, Black, 16" Barrel](https://gunsnation.com/p/ati-omni-hybrid-maxx-5-56-nato-semi-auto-rifle-black-16-barrel/UCEQg2ngz) | 5.56 NATO | - |
| [ATI Mil-Sport 5.56 NATO Semi-Auto Rifle, 16" Barrel, 30+1 Cap](https://gunsnation.com/p/ati-mil-sport-5-56-nato-semi-auto-rifle-16-barrel-30-1-cap/UCEQg2ncP) | 5.56 NATO | - |
| [ATI MilSport 5.56 NATO Semi-Auto Rifle - Black, 16" Barrel, 30 Rds](https://gunsnation.com/p/ati-milsport-5-56-nato-semi-auto-rifle-black-16-barrel-30-rds/UCEGH23Xn) | 5.56 NATO | - |
| [ATI Mil-Sport: Versatile .300 AAC Blackout Semi-Auto Rifle](https://gunsnation.com/p/ati-mil-sport-versatile-300-aac-blackout-semi-auto-rifle/UCEQg2ncW) | .300 AAC Blackout | - |
| [American Tactical Alpha-15: Ultra-Light 5.56 NATO Semi-Auto Rifle](https://gunsnation.com/p/american-tactical-alpha-15-ultra-light-5-56-nato-semi-auto-rifle/UCEQg2oPJ) | 5.56 NATO | - |

*Showing 20 of 23 products*

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