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Questions & Answers
Will this work with a piston driven set up? Manufacturer Answer

The Gridlok lite is not compatible with piston driven set ups.

by Strike Industries, Manufacturer, April 20, 2026
what is the difference between Gridlock Lite vs Gridlock complete assembly? Expert Answer

The Strike Industries Grildlok LITE Handguard Assembly takes innovation from GRIDLOK, but this is a 1-piece design to minimize weight and offer a cost-effective option.

by Ethan, Gear Expert, July 18, 2023
Customer Reviews
Helpful Positive Review
Strike Gridlock lite by Jesse Morton, Verified Owner, March 7, 2025
I have two of these handguards, an 11” & 15”. Purchased the 15” first and liked it so much I put one on my other AR. I love the look, style, and ergonomics. Has plenty of mlok space as it is all the way around in the 1,3,5,6,7,9, & 11 o’clock positio...
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1/1 found this helpful
Helpful Positive Review
Graat handguard! by Joe, Verified Owner, November 20, 2024
Love this guard. Purposed it so I could have easy access to the adjustable gas block because I run a suppressor on my AR’s, this hand guard works great. Super strong, light weight and has never come loose after putting several thousand rounds through...
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2/2 found this helpful
Helpful Positive Review
BUIS is worthless by Adam Tn, December 24, 2021
Purchased this for a SBR build and I was needed access to the SI cagb (Adjustable gas block)and this fits the bill. Looks clean it's a little longer than 8.5in just enough I didn't believe a can direct thread can would fit. 9in barrel. The BUIS is ab...
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2/2 found this helpful
Helpful Positive Review
The product is of high quality by Kidchanayod Akkapram, Verified Owner, November 3, 2022
The product is of high quality. and i like it very much great material easy installation Allows me to disassemble the handguard in very little time. I recommend for Friends looking for a strong handguard that is easy to disassemble. and inexpe...
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1/2 found this helpful
Helpful Positive Review
Nice handguard by Jrod, Verified Owner, February 17, 2022
I love this handguard looks great, has nice edges and machining. Has the easy removal lever for quick removal for adjustments. I have the strike industries oppressor inset some looks awesome. i would recommend this handguard for anyone looking to upg...
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1/1 found this helpful
Helpful Negative Review
strike industries gridlok lite by Jug, Verified Owner, October 13, 2024
I love strike industries and their products. But the design of the barrel nut has a flaw in the timing and honestly they should’ve kept the design of their last gen barrel nut with the multiple divots for the gas tube to run up into the upper receive...
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1/1 found this helpful
Read All 28 Reviews

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Product Info for Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly

The Strike Industries GRIDLOK LITE Rail for AR-15 takes innovation from GRIDLOK but this is a 1-piece design to minimize weight and offer a cost-effective option. Using the same Patent Pending Quick Rail Detach system, only one of very few handguards on the market today that can be removed at home or in the field quickly without tools. With the Quick Rail detach system, a simple push and pull of the of the quick detach (QD) latch, you have the handguard off in seconds to make any adjustments to an adjustable gas block or installation/removal of a suppressor. The QD latch has also been redesigned with a new locking button for earlier latch locking. Integrated into the front of the GRIDLOK LITE is the built-in flip up backup iron sight (BUIS). Compatible with the M-LOK system at the 3, 6 and 9 oclock locations. In the rear of the handguard you will find a integrated 360 free swivel QD socket for a 2-point setup. Rear tabs with set screws at the top the SI GRIDLOK LITE help center the top rail to the upper receiver to ensure proper alignment. The cut in front was designed to help fit suppressors up to 1.57" (39.9mm) in diameter and of course all SI muzzle devises including the SI OPPRESSOR for those looking for that tucked look. 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. The Strike Industries GRIDLOK LITE for AR-15 brings you features and improvements from big brother GRIDLOK but with a more lightweight and cost-effective option.image

WARNING: California`s Proposition 65

Specifications for Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly:

Manufacturer: Strike Industries
Finish: Anodized
Fabric/Material: 6061-T6 Aluminum
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Handguard Type: Free-Float
Gun Rail: M-LOK
Included Accessories: Standard
Mount Type: M-LOK
Quantity: 1

Features of Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly

  • 1-pc free float handguard design to minimize weight and a cost-effective option
  • Same Patent Pending Quick Rail Detach system as GRIDLOK with redesigned locking button for eall SIer QD latch locking
  • Built-in flip up front BackUp Iron Sight (BUIS)
  • Compatible with the M-LOK system at the 3, 6 and 9 oclock locations
  • Integrated 360 free swivel QD socket at rear of handguard
  • Rear tabs with set screws help center top rail to upper receiver
  • Designed cut in front fits suppressors up to 1.57" (39.9mm) in diameter and all SI muzzle devices, including SI OPPRESSOR
  • Barrel nut machined from 7000 series aluminum which excels in applications requiring lightweight and high strength

Package Contents:

  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly
  • X1 Gridlok Lite Rail
  • X1 Barrel Nut
  • X1 Barrel Nut Shim Kit (4Pcs)
  • X1 Optional Antirotation Set Screws
  • X1 Barrel Nut Wrench
  • X1 Locking Lever Tool
  • X1 Hex Tool (1.5Mm)
  • X1 Loctite Threadlocker Blue242
  • X1 Warning Card

Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly Orderable Models

List of Orderable Models

  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 11in, Red, One Size, SI-GRIDLOK-LITE-11-RED , MPN: SI-GRIDLOK-LITE-11-RED , UPC: 793811764260 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-11-RED
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 11in, Black, One Size, SI-GRIDLOK-LITE-11-BK , MPN: SI-GRIDLOK-LITE-11-BK , UPC: 793811764253 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-11-BK
  • DEMO, Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 15in, Black, One Size, SI-GRIDLOK-LITE-15-BK , MPN: SI-GRIDLOK-LITE-15-BK-DEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-15-BK-DEMO-OB-A
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 15in, Black, One Size, SI-GRIDLOK-LITE-15-BK , MPN: SI-GRIDLOK-LITE-15-BK , UPC: 793811764277 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-15-BK
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 8.5in, Red, One Size, SI-GRIDLOK-LITE-8.5-RED , MPN: SI-GRIDLOK-LITE-8.5-RED , UPC: 793811764246 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-8-5-RED
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 15in, Red, One Size, SI-GRIDLOK-LITE-15-RED , MPN: SI-GRIDLOK-LITE-15-RED , UPC: 793811764284 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-15-RED
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 8.5in, Black, One Size, SI-GRIDLOK-LITE-8.5-BK , MPN: SI-GRIDLOK-LITE-8.5-BK , UPC: 793811764239 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-8-5-BK
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 17in, Black, One Size, SI-GRIDLOK-LITE-17-BK , MPN: SI-GRIDLOK-LITE-17-BK , UPC: 793811764291 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-17-BK
  • Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly, 17in, Red, One Size, SI-GRIDLOK-LITE-17-RED , MPN: SI-GRIDLOK-LITE-17-RED , UPC: 793811764307 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-17-RED

Strike Industries Grildlok Lite AR-15 M-Lok Handguard Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Strike Industries Grildlok LITE 8.5in Handguard Assembly, M-Lok, AR-15, Black, One Size, SI-GRIDLOK-LITE-8.5-BK , MPN: SI-GRIDLOK-LITE-8.5-BK-EDEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-8-5-BK-EDEMO-RE-C
  • DEMO, Strike Industries Grildlok LITE 8.5in Handguard Assembly, Black, One Size, SI-GRIDLOK-LITE-8.5-BK , MPN: SI-GRIDLOK-LITE-8.5-BK-DEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-8-5-BK-DEMO
  • USED, Strike Industries Grildlok LITE 8.5in Handguard Assembly, M-Lok, AR-15, Black, One Size, SI-GRIDLOK-LITE-8.5-BK , MPN: SI-GRIDLOK-LITE-8.5-BK-EDEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-8-5-BK-EDEMO-OB-C
  • USED Strike Industries Grildlok LITE 11in Handguard Assembly, Black, One Size, SI-GRIDLOK-LITE-11-BK, EDEMO3, Used, Condition Like New , MPN: SI-GRIDLOK-LITE-11-BK-EDEMO3 , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-11-BK-EDEMO3
  • DEMO, Strike Industries Grildlok LITE 15in Handguard Assembly, Black, One Size, SI-GRIDLOK-LITE-15-BK , MPN: SI-GRIDLOK-LITE-15-BK-DEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-15-BK-DEMO
  • DEMO, Strike Industries Grildlok LITE 17in Handguard Assembly, Black, One Size, SI-GRIDLOK-LITE-17-BK , MPN: SI-GRIDLOK-LITE-17-BK-DEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-17-BK-DEMO
  • DEMO, Strike Industries Grildlok LITE 17in Handguard Assembly, Red, One Size, SI-GRIDLOK-LITE-17-RED , MPN: SI-GRIDLOK-LITE-17-RED-DEMO , Code: 3Q-HZ-STI2904-SI-GRIDLOK-LITE-17-RED-DEMO
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Last updated 2026-07-01 UTC.