Probably should have given it one star, but I added one because it actually fits well and the Mlok slots work.
The problem is that the top rail is a tiny bit out of spec...too narrow. I tried several accessories and everything ends up being loose because even tightened fully, they don't fit tight to the rail. The accessories fit other rails perfectly, but not this one.
The biggest thing is the front Back Up sight. It's pretty important for a sight to be mounted securely. I used a piece of thin plastic (from the cover of a waterproof notebook) to shim it tight for temporary use, but I'll be buying another handguard to replace this one.
Unfortunately, it took me a while to get this rifle put together, so I'm outside any return window, which means I wasted $80 (including shipping and tax).
Don't be like me...don't waste $80 bucks.
Established in 1989 Guntec offers an extensive line of tactical weapon accessories. They have provided components to Police Departments and the US Military and are devoted to supplying the professional and the average shooter with top quality products.
Guntec has a 9" Ultra Lightweight Thin M-LOK Free Floating Handguard with Monolithic Top Rail is a light weight handguard for your next build or for when you just want to lighten your rifle. Weighing only 7.9 oz with barrel nut the rail has a tight fit against the receiver for a monolithic top rail and features M-LOK slots to mount what you want on your weapon.
Specifications and Features:
Guntec AR-15 9" Ultra Lightweight Thin M-LOK Free Floating Handguard with Monolithic Top Rail GT-9MLK
Ultra Lightweight
Proprietary Aluminum Barrel Nut Included
Rail System Slides Over Barrel Nut, And Is Locked Up Against Receiver With 6 Screws
Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail
9" Length
Heavy Duty
Internal Diameter 1.34"
Total Weight Including Barrel Nut Is 7.9 oz
T6 Aluminum
Made in the USA
Black Finish
Guntec has a 9" Ultra Lightweight Thin M-LOK Free Floating Handguard with Monolithic Top Rail is a light weight handguard for your next build or for when you just want to lighten your rifle. Weighing only 7.9 oz with barrel nut the rail has a tight fit against the receiver for a monolithic top rail and features M-LOK slots to mount what you want on your weapon.
Specifications and Features:
Guntec AR-15 9" Ultra Lightweight Thin M-LOK Free Floating Handguard with Monolithic Top Rail GT-9MLK
Ultra Lightweight
Proprietary Aluminum Barrel Nut Included
Rail System Slides Over Barrel Nut, And Is Locked Up Against Receiver With 6 Screws
Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail
9" Length
Heavy Duty
Internal Diameter 1.34"
Total Weight Including Barrel Nut Is 7.9 oz
T6 Aluminum
Made in the USA
Black Finish
Don't waste $80
March 22, 2026