Tailored with precision to meet the exacting requirements of Law Enforcement and Special Operations units worldwide, particularly those utilizing the HK416/M27 IAR system, the Strike Industries GRIDLOK Rail for 416 is a versatile solution for dynamic missions. This cutting-edge rail offers effortless interchangeability between primary and secondary handguards through its innovative Quick Rail Detach GRIDLOK locking latch, seamlessly replacing the factory HK OEM barrel nut. With four available lengths (9/11/14.5/16 inches) and two topography options (Full Duty or Lightspeed), this 1-piece GRIDLOK design combines minimal weight with maximum durability. The user-friendly Quick Rail detach system streamlines field removal, simplifying tasks such as suppressor adjustments or gas block modifications. Exceptionally adaptable, the GRIDLOK Rail accommodates various configurations to meet diverse mission criteria, eliminating the need for multiple firearms. The inclusion of an integrated flip-up backup iron sight (BUIS) enhances functionality, while M-LOK compatibility at 3, 6 and 9 o'clock positions, alongside four 360 degree free swivel QD sockets, further enhance customization possibilities. Precision-engineered from 6061-T6 aluminum, the Strike Industries GRIDLOK for 416 epitomizes lightweight strength, serving essential requirements without superfluous elements.