Description
The Radical Firearms AR-15 FGS 300 AAC Blackout, 16″, 30rd, Black is a budget-friendly, ready-to-shoot AR-15 platform rifle chambered in the versatile 300 AAC Blackout caliber. It’s a complete firearm designed for value-conscious shooters seeking a reliable entry into the 300 BLK world without the high cost of building from scratch. At $628.10, it represents a significant cost savings compared to many assembled rifles in this niche.
Key Features
- Chambered in 300 AAC Blackout for superior subsonic performance with suppressors.
- 16-inch barrel with a carbine-length gas system for reliable cycling.
- Free-float M-LOK handguard for accessory mounting and heat management.
- Includes a 30-round magazine and is compatible with standard AR-15/M4 platforms.
- Mil-spec fire control group and buffer system for proven reliability.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 300 AAC Blackout |
| Barrel Length | 16 Inches |
| Overall Length | Approx. 32-35 Inches (Stock Extended) |
| Handguard | 15-inch M-LOK Free-Float |
| Magazine Capacity | 30 Rounds (1 Included) |
| Weight | Approx. 6.5 lbs (Unloaded) |
This rifle is built on a standard mil-spec lower receiver, which means it’s compatible with a vast ecosystem of AR-15 parts and accessories from brands like Magpul, BCM, and Geissele if you decide to customize later. The 300 Blackout round itself is the star here—it delivers more energy downrange than a 5.56 NATO from a short barrel and is famously quiet when paired with subsonic ammunition and a suppressor. The 16-inch barrel length is a practical choice, offering a good balance of velocity and maneuverability without stepping into NFA territory for the barrel itself. Look, the value proposition is clear: you’re getting a functional, feature-complete rifle at a price point often reserved for just a quality upper receiver assembly in this caliber.
Who This Rifle Is For
This Radical Firearms model is ideal for the shooter who wants to experiment with 300 Blackout without a major financial commitment. It’s a solid pick for a dedicated hunting rig for medium game, a truck gun, or a versatile home defense option where over-penetration is a concern with 5.56. It’s also a great platform for those who enjoy tinkering but want a reliable starting point—no gunsmithing required to get it range-ready. Given its price, it’s a compelling option for Missouri hunters looking for a modern sporting rifle capable of taking deer or hog within typical woodland ranges.
Pros & Cons
Pros: Exceptional price-to-performance ratio; chambered in the highly effective 300 BLK; free-float handguard is a premium feature at this price; uses readily available AR-15 magazines and parts; ships to Missouri and compliant US states.
Cons: Ammunition cost is higher than 5.56/.223; fit and finish may not match a $1,500 rifle; some users may eventually want to upgrade the trigger or furniture; the 16-inch barrel is less optimized for subsonic-only use than a shorter barrel.
Frequently Asked Questions
Q: Can I shoot .223 Remington or 5.56 NATO out of this rifle?
A: Absolutely not. The 300 AAC Blackout chamber is different and firing those rounds would be extremely dangerous. Only use 300 AAC Blackout ammunition.
Q: Is the barrel threaded for a muzzle device or suppressor?
A: Yes, the barrel features a standard 5/8×24 thread pattern, which is common for .30 caliber rifles. This allows you to attach a muzzle brake, compensator, or a suppressor (with proper tax stamp).
Q: What kind of optic should I put on it?
A: That depends on use. For close-range or home defense, a red dot sight from Holosun or Sig Sauer is perfect. For hunting or reaching out to 200+ yards, a low-power variable optic (LPVO) or a prism scope would be a great match for the cartridge’s capability.
Available at firearms-missouri.com for Missouri residents and nationwide, the Radical Firearms AR-15 in 300 Blackout is a practical, no-fuss entry into a powerful caliber. It’s a tool that gets the job done without draining your wallet, leaving you more budget for ammunition, optics, and range time. If a ready-to-run 300 BLK AR at a surprising price is what you’re after, this rifle deserves a close look.




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