Strike Industries GRIDLOK® 416 Full Duty — 16" M-LOK Handguard with Quick Detach System (Black)

Platform Fit: HK 416, HK MR556, M27 IAR • Length: 16" • Outer Diameter: 1.57" • Mount: M-LOK • Color: Black • Material: Aluminum
SKU: GRIDLOK416FD16 • UPC: 793811764741

Upgrade your HK 416/MR556/M27 IAR with the Strike Industries GRIDLOK® 416 Full Duty handguard—purpose-built for professional end users who need fast configuration changes, rock-solid lockup, and duty-grade durability. This 16-inch, black anodized aluminum rail features M-LOK for modern accessory mounting, a full-length 1913 Picatinny top rail, and Strike’s patent-pending Quick Rail Detach (GRIDLOK) locking latch that lets you remove and reinstall the rail in seconds without disturbing your setup. strikeindustries.com+1

Why Choose GRIDLOK® 416 Full Duty?

• Mission-Driven Modularity: The GRIDLOK system allows rapid handguard swaps for different roles—night operations, suppressed work, or lightened daytime configurations—while maintaining return-to-zero characteristics for mounted accessories. strikeindustries.com+1

• Direct, Secure Fit: Designed specifically for the HK 416 family, the rail mounts to the factory HK OEM barrel nut, giving you a secure, proven interface with minimal extra parts. Palmetto State Armory+1

• Full Duty Top Rail: Continuous 1913 Picatinny along the top provides seamless space for irons, lasers, and optics bridges. (The Full Duty variant includes full-length top rail coverage.) strikeindustries.com

• Sized for Real Accessories: At 16" length with a streamlined 1.57" outer diameter, you get reach and accessory clearance without bulk—ideal for modern light/laser placements, barricade work, and extended support-hand control. ads.grabagun.com

Key Features at a Glance

• Quick Detach GRIDLOK® Latch: Patent-pending latch enables rapid, tool-free removal/reinstall for maintenance or role changes. MidwayUSA

• M-LOK Everywhere You Need It: Compatible with today’s most common mounting standard for lights, grips, QD sling cups, barricade stops, and more. ads.grabagun.com

• Duty-Grade Construction: Lightweight 6061 aluminum one-piece design balances rigidity and weight for reliable performance in the field. OpticsPlanet

• Platform Specific: Engineered for HK 416, HK MR556, and M27 IAR platforms adopted by LE and SOF worldwide. strikeindustries.com

• Clean, Black Finish: Professional, non-reflective coating that pairs with OEM receivers and accessories. ads.grabagun.com

Detailed Specifications

• Model: GRIDLOK-416-FD-16 (Full Duty)

• Length: 16 inches

• Outer Diameter: 1.57 inches

• Top Rail: Full-length 1913 Picatinny (Full Duty configuration)

• Interface: HK OEM barrel nut (direct fit)

• Mounting Standard: M-LOK (sides & bottom)

• Material: Aluminum (duty-grade)

• Finish: Black

• Compatibility: HK 416, HK MR556, M27 IAR

• SKU: GRIDLOK416FD16 • UPC: 793811764741 strikeindustries.com+2Palmetto State Armory+2

Performance Benefits You’ll Notice

• Faster Maintenance & Swaps: Pop the latch to access your gas system, change setups, or clean—then lock it back down with repeatable alignment. MidwayUSA

• Optimized Ergonomics: The slim 1.57" OD and 16" reach support modern thumbs-forward grips and extended light placement without crowding your support hand. ads.grabagun.com

• Accessory Real Estate: Full-length top rail + M-LOK around the clock equals flexible mounting for lasers/illuminators (MAWL/PEQ), weapon lights, bipods, and sling points. strikeindustries.com

Ideal Use Cases

• LE & Duty Carbines: Build a role-specific upper and swap rails as equipment or mission needs change. strikeindustries.com

• Competition & Training: Rapid access for tuning, cleaning, and experimenting with different accessories. OpticsPlanet

• Enthusiasts & Collectors: Modernize an MR556 or clone-correct M27 IAR build with professional-grade modularity. KYGUNCO

Install Notes & Compatibility

• Designed to mount using the HK OEM barrel nut. Confirm proper torque and follow HK/Strike guidance. If you’re not familiar with 416-pattern assembly, consult a qualified armorer. Palmetto State Armory+1

What’s in the Box*

• Strike Industries GRIDLOK® 416 Full Duty 16" Handguard (Black)

• Mounting hardware/latch components (factory configuration)

• Documentation
  *Exact contents may vary by retailer; check the product listing. KYGUNCO

SEO Highlights (Quick Scan)

• Strike Industries GRIDLOK® 416 Full Duty 16" M-LOK handguard

• Quick Rail Detach locking latch for rapid removal

• Fits HK 416 / HK MR556 / M27 IAR, mounts to HK OEM barrel nut

• Full-length Picatinny top rail + 1.57" OD slim profile

• Black aluminum duty-grade construction

• SKU GRIDLOK416FD16 • UPC 793811764741 strikeindustries.com+2Palmetto State Armory+2

Meta Title (SEO)

Strike Industries GRIDLOK 416 Full Duty 16" M-LOK Handguard — Quick Detach, Black Aluminum | Fits HK 416/MR556/M27 IAR | GRIDLOK416FD16

Meta Description (SEO)

Upgrade your HK 416/MR556/M27 IAR with the Strike Industries GRIDLOK 416 Full Duty 16" handguard. Quick Rail Detach latch, full-length Picatinny, M-LOK, 1.57" OD, black aluminum. SKU GRIDLOK416FD16, UPC 793811764741. strikeindustries.com+1

Targeted Keywords (SEO)

Strike Industries GRIDLOK 416 Full Duty, GRIDLOK416FD16, HK 416 handguard 16 inch, M-LOK rail HK MR556, M27 IAR handguard, Quick Rail Detach latch, 1.57 OD 416 rail, 793811764741

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