Strike Industries GRIDLOK LITE Rail for AR-15

Seems like Strike Industries is always coming out with something new. This time they’ve added a new lighter weight, lower cost, AR-15 rail to the GRIDLOCK family. With features from its bigger GRIDLOCK brother, this single-piece rail is designed so the user can remove it at home or in the field. According to the company, this feature makes GRIDLOCKs one of just a handful of handguards on the market to make that possible.

How does that work?

With the Patent Pending Quick Rail Detach system, all you have to do is give a simple push and pull of the redesigned QD latch. And just like that, you’re able to adjust the gas block and install/remove your suppressor.

Other features include flip-up back-up iron sights (BUIS), an integrated 360° free swivel QD socket for a 2-point setup, and rear tabs with set screws at the top to help center the top rail to the upper receiver for proper alignment. 

The handguard is machined from 6061-T6 aluminum and the barrel nut is machined from 7000 series aluminum which excels in applications that require lightweight and high strength.

Strike Industries GRIDLOK LITE in red and black
The GRIDLOK LITE rail is available in black or red at four lengths: 8.5″, 11″, 15″, and 17″.

The handguard is machined from 6061-T6 aluminum and the barrel nut is machined from 7000 series aluminum which excels in applications that require lightweight and high strength.


This rail is quite modular, offering as many options as any other handguard you can find on the market. You can attach your M-LOK accessories along the length of the rail at 1, 3, 5, 6, 7, 9, and 11.

As for suppressors, the cut in front helps fit cans up to 1.57″ in diameter, and “…of course all SI muzzle devises including the SI OPPRESSOR for those looking for that tucked look.”

GRIDLOK LITE Package Contents

Strike Industries GRIDLOCK Lite package contents
The GRIDLOK LITE comes with the rail, barrel nut, four-piece barrel nut shim kit, optional anti-rotation set screws, barrel nut wrench, locking lever tool, 1.5mm Hex tool, and Loctite Threadlocker Blue 242.


The GRIDLOK LITE is compatible with a Mil-Spec M4 upper receiver, but not a piston gas block, some billet/side charging uppers, and the 11″, 15″, 17″ are not compatible with A2 Front Sight Post gas block.

NOTE: The two locking screws at the base can only be easily adjusted when the base is not mounted on the barrel nut. It is NOT RECOMMENDED to adjust the locking tightness when you mount it on barrel nut. An installation video is available.

Barrel Nut Torque: 30-50 ft/lbs (40.67-60.79 Nm)

Check out this Strike Industries 33-round AR-15 magazine!

GRIDLOK LITE Specifications

GRIDLOK LITE AR-15 rail in four lengths.
Rail listed lengths are exactly as stated from the face of the upper receiver to the front of the rail

•Inner Diameter: The GRIDLOK LITE cut in front s designed to fit suppressors up to 1.57″ (39.9mm) in diameter and all SI muzzle devices, including the SI OPPRESSOR.

•Width from flat end to flat end: 1.76″ (44.75 mm)

•Height from bottom to top of Picatinny rail: 2.15″ (54.50 mm)

•Weight  With Barrel nut:
-8.5″: 11.8 oz
-11″: 13.7 oz
-15″: 1 lb 1.1 oz
-17″: 1 lb 2.6 oz
•Weight with Pkg:
-8.5″: 1 lb 3.9 oz
-11″: 1 lb 5.9 oz
-15″: 1 lb 10.6 oz
-17″: 1 lb 12 oz

Strike Industries GRIDLOK LITE AR-15 rail
Learn more about the new GRIDLOK LITE AR-15 rail at Strike Industries.
Stephanie Kimmell is the firstborn daughter of Missouri's Pecan King, worthy scion of a Vietnam veteran sailor turned mad engineer-orchardist-inventor-genius. With a BA in technical writing, she freelances as a writer and editor. A Zymurgist greatly interested in the decoction of fermented barley and hops, she is in many ways a modern amalgam of Esther Hobart Morris, Rebecca Boone, and Nellie Bly. She hunts, fishes, butchers, and cooks most anything. When not editing or writing, she makes soaps and salves, spins wool, and occasionally makes cheese from cows she milked herself. Kimmell is a driven epistemophilic who loves live music and all sorts of beer.

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