TacFireA.C.E. 4" M-Lok AR-15 Handguard - Black Anodized Aluminum

The TacFire A.C.E. 4" M-Lok AR-15 handguard is a modular free-floating rail system built from 6061-T6 aluminum and finished with Class 2 Type III black hard anodize per MIL-A-8625 standards. At 4 inches, this handguard strikes a practical balance for shooters who want a compact, lightweight platform without sacrificing mounting options. M-Lok slots let you attach tactical accessories—lights, vertical grips, rail sections, sling anchors—exactly where you need them, and the aluminum construction keeps weight down while delivering the rigidity modern AR builds demand.

Whether you're building a home-defense rifle, a precision 3-gun setup, or an everyday range gun, the A.C.E. handguard gives you the real estate to customize without overcomplicating your gun. The hard-anodized finish resists corrosion and handling wear, so it'll look professional and function reliably whether your rifle lives in a safe, a truck, or the field. TacFire's precision manufacturing means tolerances are tight and fitment is clean—no wiggle, no compatibility headaches.

If you run an AR-15 and want modular flexibility without the bulk of a longer rail, this is a straightforward, no-nonsense upgrade that works with standard uppers and carriers.

Key Features

• 4-inch length—compact footprint with practical rail space
• M-Lok compatibility—attach accessories exactly where you want them
• 6061-T6 extruded aluminum—lightweight and rigid
• Class 2 Type III black hard anodize finish—durable, corrosion-resistant, professional appearance
• MIL-A-8625 specification—military-grade anodize standard

Specifications

Frequently Asked Questions

Will this handguard fit my AR-15?

Yes. The TacFire A.C.E. is designed for standard AR-15 upper receivers and works with all compatible carriers and bolt groups.

What can I attach to M-Lok slots?

M-Lok is an open-source accessory standard. You can attach M-Lok rail segments, tactical lights, vertical grips, QD sling mounts, bipods, and many other modular accessories to customize your rifle.

How durable is the anodize finish?

The Class 2 Type III black hard anodize applied per MIL-A-8625 is a military-grade finish designed to resist corrosion, wear, and handling marks. It's tougher than standard anodizing and holds up well in field use.

Is this handguard free-floating?

The product is a modular rail system; accuracy and barrel harmonics depend on overall upper assembly setup and installation technique.