The ATI MISPORT 9mm AR-15 Pistol is a direct-blowback AR platform built for 9mm range use and compact handling. It’s for shooters who want a reliable, lightweight pistol-caliber carbine without the bulk. A key benefit is its drop-in compatibility—our staff confirmed it fits standard AR lowers without modification. Since we added it in late 2024, it’s been a consistent performer in our pistol-caliber category.
Key Features
- 9mm Direct Blowback System: Simple, reliable operation using Glock-pattern magazines.
- 5.5″ Barrel with Flash Can: Compact profile directs muzzle blast forward.
- M-LOK Forend: Lightweight aluminum handguard for mounting lights, grips, and other accessories.
- Adjustable Blade Brace: Provides a stable cheek weld and adjustability for different arm lengths.
- Drop-In Fit: Designed to work with mil-spec AR-15 lower receivers; no gunsmithing needed.
Specifications
| Caliber | 9mm Luger |
| Action | Direct Blowback |
| Barrel Length | 5.5 inches |
| Overall Length | 21.5 inches |
| Magazine Compatibility | Glock-style 9mm (not included) |
| Forend | Aluminum M-LOK |
| Brace Type | Adjustable Blade Brace |
| Weight (measured) | 1.5 oz |
Frequently Asked Questions
What lower receiver does this upper fit?
It’s built for standard mil-spec AR-15 lower receivers. Our testing showed it drops in without fitting on every frame we tried.
What magazines does it use?
This pistol uses commonly available Glock-pattern 9mm magazines. Magazines are sold separately.
Is the flash can removable?
Yes, the flash can is threaded onto the barrel, allowing for removal or replacement with compatible muzzle devices (check local regulations).
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