Fortis Manufacturing Camber Rail Free Float AR-15 Handguard - M-LOK - FSB Cutout - 2 Lengths
or 4 interest-free payments of $61.26 with
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
Product description
Fortis Camber Rail with Front Sight Cutout
This FSB-friendly version of the Camber Rail allows you to free float your barrel, and retain your barrel’s front sight base. This M-LOK handguard has slots at the 3, 6, and 9 o’clock positions, QD sling sockets machined in at the rear, and a top picatinny rail. Plus, it comes with a stainless steel barrel nut, which only needs the castle nut extension of your armorer’s wrench to install.
Watch the video below for a full breakdown of the Camber rail’s features and installation. Be sure to check out the standard Camber Rail, if you’d prefer a full length top rail!
Which Handguard is Right for My Barrel?
This version of the Camber Rail was designed to work for Carbine length and Midlength builds. Check with your rifle’s manufacturer for the gas system length, and choose the one that’s right for you!
- 9.6 inch Handguard – Perfect for Carbine length builds – 10.5 to 16 inch barrels
- 11.8 inch Handguard – Perfect for Midlength builds – 13.9 inch to 18 inch barrels
Specifications
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- Handguard Material: 6061-T6 Aluminum
- Handguard Finish: Anodized
- Barrel Nut Material: Stainless Steel
- Internal Diameter – 1.34 inch
- Handguard Weight
- 9.6 inch – 6.64 oz
- 11.8 inch – 7.7 oz
- Barrel Nut Weight – 2.9 oz
All 2 options on this page
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Warranty & returns
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.













