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Firearms Gen 3 M-LOK Handguard – 15″
Built for precision and durability, the Firearms Gen 3 M-LOK Handguard delivers a solid mounting platform for AR-15 builds. Its lightweight yet rigid design balances maneuverability with stability, whether you’re at the range or in the field. The Primary Arms exclusive model includes subtle refinements for smoother handling and improved accessory integration. Ships fast and discreet to all US states.
Key Specifications
- Length: 15 inches
- Material: 6061-T6 aluminum
- Finish: Type III hardcoat anodized
- Weight: 11.2 oz (unloaded)
- Compatibility: Standard AR-15/M4 platforms (Gen 3)
- Mounting: M-LOK slots at 3, 6, 9 o’clock positions
- Inner Diameter: 1.5″ (fits most suppressors)
Feature Breakdown
The Gen 3 handguard’s aluminum construction resists heat and impact while keeping weight minimal. Machined relief cuts reduce bulk without compromising structural integrity, ideal for extended sessions. The anodized finish prevents corrosion and wears evenly under heavy use.
M-LOK slots offer tool-free attachment for lights, grips, or bipods. Unlike Picatinny rails, the low-profile design avoids snagging and reduces overall weight. Slots are positioned to maintain balance while accommodating common accessory placements.
Improved barrel nut design ensures a secure fit with standard AR-15 upper receivers. The anti-rotation system eliminates play even during rapid fire. Installation requires no specialized tools beyond a basic armorer’s wrench.
Heat dissipation is optimized through the handguard’s open architecture, preventing excessive buildup during strings of fire. The slim profile accommodates most gloves while providing a firm grip surface.
Compatibility
Fits MIL-SPEC AR-15/M4 uppers with a standard barrel nut. Not compatible with proprietary or KeyMod systems. Designed for carbine-length gas systems but works with mid-length setups using appropriate spacing. Verify your upper receiver’s threading before purchase.
Installation Overview
Remove the existing handguard and barrel nut. Thread the included barrel nut onto the upper receiver and torque to manufacturer specifications. Slide the handguard onto the nut and secure with the provided locking collar. No timing or shimming is required. Ensure all screws are properly tightened before use.
FAQ
Q: Does this work with a free-float barrel?
A: Yes, the handguard is designed for free-float applications.
Q: Will a .750″ gas block fit inside?
A: Yes, the internal clearance accommodates most low-profile gas blocks.
Q: Is the finish Cerakote-ready?
A: The anodizing accepts paint, but surface prep is recommended for optimal adhesion.
Q: Can I mount a sling directly to the handguard?
A: Yes, using M-LOK-compatible sling mounts.
Q: Does it include a barrel nut wrench?
A: No, a standard armorer’s wrench is required.
Warranty & Shipping
Lifetime warranty against manufacturing defects. No warranty coverage for improper installation or modifications. Ships within 1 business day via USPS or UPS with discreet packaging. No markings indicate contents. All sales comply with federal regulations.
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