Strike Industries GRIDLOK416FD9 GridLok Full Duty With Quick Detach System 9 inL 1.57 inD M-LOK Black Aluminum for HK 416, HK MR556, M27 IAR

Overview

Designed specifically for law enforcement and special operations units utilizing the HK416 and M27 IAR platforms, the Strike Industries GRIDLOK Full Duty handguard offers a lightweight, high-strength upgrade machined from 6061-T6 aluminum. Featuring a 9-inch length, a 1.57-inch inner diameter, and a full-length 1913 Picatinny top rail, this black anodized handguard mounts directly using the factory HK OEM barrel nut. It incorporates a patent-pending Quick Rail Detach (QD) locking latch system, allowing the handguard to be removed in seconds with a simple push and pull to facilitate easy cleaning, gas block adjustments, or suppressor maintenance. The front is designed to accommodate suppressors up to 1.57" in diameter, including Strike Industries muzzle devices, and features a built-in flip-up backup iron sight. Additional features include M-LOK attachment slots at the 3, 6, and 9 o'clock positions and four integrated 360-degree free-swivel QD sling sockets located at the 2, 4, 8, and 10 o'clock positions in the rear. A rear rail tab helps index the handguard into the upper receiver to ensure proper alignment. It is compatible with the Heckler & Koch 416, HK416 A5, HK416 A7, MR556, and M27 IAR models that lack old-style ambidextrous sling attachment points.

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