Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Are the colored hand guards painted or is the color inherent in the material Manufacturer Answer

The color is injected with the polymer

by FAB Defense, Manufacturer, March 12, 2025
Are these skinny hand guards I am looking for small diameter thank you Expert Answer

These FAB Defense Tough Polymer Handguards for AR-15/M16/M4 would be considered "skinnier" than standard handguards as they are 2.1" wide, and 2.7" in height.

by Ethan, Gear Expert, April 14, 2022
Customer Reviews
Helpful Positive Review
Very nice, slim CAR-15 style handguards! by Bean Farmer, Verified Owner, November 11, 2020
These handguards from FAB are much nicer than I expected for $20 (These are the circular & slim CAR-15 style handguards, not the larger, oval-shaped M-4 style). I ordered the tan pair, and they're much nicer than the one's that came with the rifle (P...
Read More...
7/7 found this helpful
Helpful Negative Review
Doesn't fit Colt M4 Carbine by Casey, December 29, 2016
Cheap Chinese junk, I bought this hand guard for my Colt m4 Carbine. It didn't fit and I scratched it trying to make it work so I voided OpticsPlanet.com return policy... LAME! so I sanded the backend of the handguard to make it work since OpticsPla...
Read More...
5/19 found this helpful
Most Recent Reviews
Bad fit... by Samuel Williams, Verified Owner, March 9, 2025
I received two of the same panels causing them not to fit together correctly. There should have been a male and female. They were also made too long causing them to be extremely tight and very difficult to install. I would not recommend these...
0/1 found this helpful
Most Recent Reviews
PERFECTION! by Redacted, Verified Owner, June 23, 2025
Perfect slim style hand guard for those car 15 clone builds!
Most Recent Reviews
Drop in upgrade by aj, Verified Owner, June 10, 2025
Got these dirt cheap and fit perfectly I highly recommend heat shields are robust
Most Recent Reviews
Great handguard by Maximus, Verified Owner, January 19, 2025
Fits well and has the matching color for my other FAB components. My only issue is it looks like they sent me two top pieces instead of a top and a bottom. Both sides have the notch for the gas tube and the indents on the inside where it would clamp ...
Read More...
Read All 12 Reviews

Deal #3: Up to 15% OFF Firearm Parts

Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
In Stock
3 Models Available
Color
All
Search

Product Info for FAB Defense Tough Polymer AR-15/M16/M4 Standard Handguards

MFAB Defense Tough Polymer Handguards for AR-15/M16/M4 designed especially for carbine length M16/M4/AR-15.These AR15 parts feature thick double heat shield. Also this Polymer Handguards from FAB Defense can be used as drop-in replacement for standard handguards. In addition, these AR15 parts are molded from a reinforced polymer composite.image

Available FAB Defense Handguards colors:

  • HG-SB: FAB Defense Black Polymer Handguards for M16/AR-15/M4
  • HG-SOD: FAB Defense Tough Polymer Handguards - OD Green
  • HG-ST: FAB Defense AR15/M16/M4 Polymer Handguards - Desert Tan

Specifications for FAB Defense Tough Polymer AR-15/M16/M4 Standard Handguards:

Manufacturer: FAB Defense
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Gun Rail: Standard
Gas System Length: Carbine Length
Included Accessories: Standard
Quantity: 1

Features of FAB Defense Tough Polymer AR-15/M16/M4 Standard Handguards:

  • Fit M16/M4/AR-15 carbine length
  • Come in pairs
  • Have thick double heat shield
  • Can be used as drop-in replacement for standard handguards
  • Molded from super lightweight reinforced polymer composite

Package Contents:

  • FAB Defense Tough Polymer AR-15/M16/M4 Standard Handguards

FAB Defense Tough Polymer AR-15/M16/M4 Standard Handguards Orderable Models

List of Orderable Models

  • FAB Defense Tough Polymer AR15/M4/M16 Standard Handguard, OD Green, HG-SOD , MPN: fx-hgsg , UPC: 7290105947628 , Code: 1S0-HZ-TPHandguards-HG-SOD
  • FAB Defense Tough Polymer AR15/M4/M16 Standard Handguard, Black, FX-HGSB , MPN: fx-hgsb , Code: 1S0-HZ-TPHandguards-FX-HGSB
  • FAB Defense Tough Polymer AR15/M4/M16 Standard Handguard, Flat Dark Earth, FX-HGST , MPN: fx-hgst , UPC: 7290105947635 , Code: 1S0-HZ-TPHandguards-FX-HGST
Compare (0)