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AREX RX-15
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$749.99
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SKU: 712582
Overview
Built on a familiar AR-style platform, this rifle is chambered in .300 AAC Blackout for shooters who want a versatile setup for training, target work, and hunting where permitted. The 18-inch barrel, free-floating handguard with M-LOK attachment points, and Picatinny top rail support straightforward customization for optics and accessories. A threaded barrel adds flexibility for compatible muzzle devices where legal, while the aluminum receiver set and ergonomic controls keep the layout practical and familiar. It is a solid option for hunters and range users who want a configurable .300 BLK rifle without unnecessary complexity.
Why Hunters Choose the Arex
Chambered .300
Supersonic and subsonic ammunition
Ar-platform Design
Familiar handling and broad accessory
Free-floating Handguard
M-LOK attachment points supports optics,
Picatinny Top
Rail provides straightforward mounting options
Threaded Barrel
Compatible muzzle devices where legally
Key Features
- Semi-automatic rifle chambered in .300 AAC Blackout
- 18-inch barrel with threaded muzzle
- 30+1 round capacity
- Durable aluminum receiver set
- Free-floating handguard with M-LOK attachment points
- Picatinny top rail for optics and accessories
Best Used For
- Hunters wanting a .300 Blackout rifle for hunting where legally permitted
- Shooters who want a customizable AR-platform rifle with M-LOK and Picatinny mounting
- Users seeking compatibility with supersonic and subsonic .300 BLK ammunition
- Range shooters and trainers looking for a familiar, adaptable semi-automatic platform
Specifications
| Action | Semi-automatic |
|---|---|
| Barrel Length | 18 in |
| Blade Finish | Matte Black |
| Caliber | 300 Blackout |
| Capacity | 30+1 rounds |
| Case Included | No |
| Color | Blue |
| Handguard | Free-floating handguard with M-LOK attachment points |
| Imported By | Rex Tactical Armory |
| Model | RX-15 |
| Receiver Material | Aluminum |
| Serial Number | RX15-00430 |
| Threaded Barrel | Yes |
| Top Rail | Picatinny top rail |
| Type | Rifle |
Pros
- Chambered in .300 AAC Blackout for use with supersonic and subsonic ammunition.
- AR-platform design offers familiar handling and broad accessory compatibility.
- Free-floating handguard with M-LOK attachment points supports optics, lights, and slings.
- Picatinny top rail provides straightforward mounting options for accessories.
- Threaded barrel allows use with compatible muzzle devices where legally allowed.
- Aluminum receiver set and ergonomic controls support a practical, customizable setup.
Considerations & Trade-offs
- Chambered in .300 AAC Blackout, so ammunition choice matters if you want to take advantage of both supersonic and subsonic loads.
- The 18-inch barrel may be less compact than shorter .300 BLK setups, which can be a consideration for hunters prioritizing maneuverability.
- Case not included, so storage and transport will need to be arranged separately.
- Threaded barrel and accessory mounting options add flexibility, but they also make the rifle more dependent on the buyer’s preferred setup and any local legal restrictions.
Suggested Comparisons
- AR-platform rifles chambered in .300 AAC Blackout
- Semi-automatic hunting rifles
- Training and recreational target rifles
- Rifles with M-LOK handguards and Picatinny rails
Suggested Accessories
- Optics mount
- Weapon light
- Sling
- Muzzle device
Frequently Asked Questions
What cartridge is the AREX RX-15 chambered in?
The RX-15 is chambered in .300 AAC Blackout (.300 BLK).
Is this rifle semi-automatic?
Yes. The product data lists the RX-15 as semi-automatic.
What is included with the rifle?
The data notes that a case is not included. No other included accessories are specified.
Does the RX-15 support optics and accessories?
Yes. The description lists a free-floating handguard with M-LOK attachment points and a Picatinny top rail for mounting optics and accessories.
Is the barrel threaded?
Yes. The long description states that the barrel is threaded and compatible with a variety of muzzle devices where legally allowed.