Bersa Ar9 Bar9Gl4Bsc Pistol 4 33R Mtblk
The Bersa AR9 is a 9mm pistol-caliber AR platform built for shooters who want modern direct-blowback reliability in a compact package. Built on 7075 aluminum receivers and chambered in 9mm Luger, it feeds from standard Glock-pattern magazines—meaning affordability and availability when it comes time to stock up. Whether you're setting up a truck gun, testing the AR platform before committing to rifle-length builds, or looking for a fun range shooter with minimal recoil, the AR9 delivers genuine utility without the premium price tag.
The 4-inch barrel keeps overall length trim at 35.75 inches, making it easy to handle in tight quarters or from a vehicle. A KAW Valley XL flash hider with 1/2x28 thread pitch manages muzzle signature and preps the platform for a suppressor down the road if you choose to go that route. The mil-spec trigger breaks cleanly, and the M-LOK handguard gives you room to mount optics, lights, or lasers to suit your mission. At 5.75 pounds, it's light enough to carry all day without fatigue.
The direct-blowback action keeps things simple—no fancy adjustable gas blocks, fewer moving parts to maintain. A 1:10 barrel twist stabilizes 9mm projectiles reliably across the range of bullet weights you'll encounter. Finished in matte black and built to last, the Bersa AR9 is a no-nonsense choice for practical shooters and tinkerers alike.
Key Features
- Direct blowback operation—simple, reliable, easy to maintain
- Feeds from standard Glock-pattern magazines
- 4-inch barrel with 1:10 twist for consistent accuracy
- KAW Valley XL flash hider, 1/2x28 threaded for suppressors
- 7075 aluminum receivers for durability and lightweight handling
- M-LOK handguard for mounting optics and accessories
- Mil-spec trigger
- Compact 35.75-inch overall length
- Matte black finish
Specifications
| Caliber | 9mm Luger |
| Barrel Length | 4 inches |
| Barrel Twist | 1:10 |
| Overall Length | 35.75 inches |
| Weight | 5.75 lbs |
| Magazine Compatibility | Glock-pattern (standard capacity 30 rounds) |
| Receivers | 7075 Aluminum |
| Trigger | Mil-spec |
| Handguard | M-LOK |
| Muzzle Device | KAW Valley XL Flash Hider |
| Muzzle Thread Pitch | 1/2x28 |
| Buffer Tube | Pistol |
| Finish | Matte Black |
Frequently Asked Questions
What magazines does the Bersa AR9 use?
The Bersa AR9 is designed to feed from standard Glock-pattern magazines. This means you can use any Glock 9mm mag you already own, or pick up affordable options from a variety of manufacturers.
Can I put a suppressor on this pistol?
Yes. The barrel features a 1/2x28 threaded muzzle suitable for standard 9mm suppressors. The KAW Valley XL flash hider can be removed and replaced with a silencer if desired.
Is this a compact or full-size AR?
This is a compact 9mm pistol-caliber AR. At 35.75 inches overall and 5.75 pounds, it's considerably shorter and lighter than a rifle-length AR-15, making it ideal for truck storage, home defense training, or as a fun range gun.
What kind of optics can I mount on the Bersa AR9?
The M-LOK handguard allows you to attach standard M-LOK-compatible mounts for red dots, magnified optics, lights, or other accessories. You'll need a separate optic—none is included.

