Radical Firearms Gen 3 M-LOK Handguard – 15″ (Primary Arms Exclusive)
Price: $131.99
You’re looking at one of the best-value handguards on the market. This isn’t a fancy gimmick; it’s a solid, Texas-made workhorse built for real use. The Radical Firearms Gen 3 handguard, exclusive to Primary Arms, gives you a no-nonsense foundation for a reliable rifle.
We’ve handled plenty of these. The first thing you’ll notice is the profile. It’s slim and comfortable in the hand without feeling fragile. Machined from 6061-T6 aluminum with a hardcoat anodized finish, it stands up to hard use and the elements. The full-length Picatinny top rail is seamless—no gaps for your optics to bridge—and it locks onto any MIL-SPEC upper with anti-rotation tabs. That means your zero stays put.
The key is the Gen 3 mounting system. It clamps down on a 4140 steel barrel nut with serious force. This isn’t a set-screw design that works loose. The result is exceptional rigidity. When you’re loading up on a barricade or running a bipod, you won’t get that flex or shift you find in cheaper rails. It’s a rock-solid platform.
At 15 inches, it’s the perfect length to cover a rifle-length gas system, giving you plenty of real estate for your grip, lights, and lasers via the M-LOK slots. The internal diameter is a comfortable 1.375”, giving you ample clearance for most muzzle devices and suppressor mounts.
Bottom line: Radical Firearms builds affordable, functional gear, and this handguard proves it. It’s simple, tough, and does its job without fail. And like everything from Radical, it’s backed by a no-BS lifetime warranty to the original owner. For a build that needs reliability without the boutique price, this is the rail.
Key Features & Specs:
- Material: 6061-T6 Aluminum, Hardcoat Anodized Finish
- Length: 15 Inches (Covers Rifle-Length Gas Systems)
- Top Rail: Full-Length, Seamless M1913 Picatinny
- Attachment: M-LOK Compatible (All Slots)
- Mounting: Gen 3 Clamp-On System w/ Anti-Rotation Tabs
- Barrel Nut: Heavy-Duty 4140 Steel
- Made In: Stafford, Texas, USA
- Warranty: Radical Firearms Lifetime Warranty
- Color: Matte Black
Fits standard MIL-SPEC AR-15 upper receivers. Barrel nut and installation wrench included.
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