Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

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 FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Does this come in flat dark earth? Expert Answer

This model of the NcSTAR AR15 Carbine Length Quad Rail is tan. There is currently not an FDE model.

by Hunter, Gear Expert, December 5, 2022
Will this fit with a high profile gas block? Expert Answer

The NcSTAR AR15 Carbine Length Quad Rail will fit AR15 platform rifles that use a carbine length gas system via the delta ring and front handguard cap. So as long as you have a delta ring and handguard cap this rail will fit.

by Ethan, Gear Expert, November 14, 2022
Customer Reviews
Helpful Negative Review buyer be ware by PewPew, Verified Owner, June 12, 2022
Tried to install this as a “drop in” on a Sig Sauer M400 enhanced and it does not fit at all. The front does not fit the hand part cap and the bottom will not seat in the delta ring. I would not recommend at all.
1/4 found this helpful
Most Recent Reviews Very nice looking hand gard by Walleye42, Verified Owner, February 22, 2025
I have a palmetto state armory 15 multi AR 15 (M4 carbine) originally all black and I've been adding FDE color little at a time. I bought this NcSTAR AR15 carbine length quad rail aluminum machined FDE hand gard to replace my stock black 6 3/4"poly ...
Read More...
Most Recent Reviews Works On Palmetto State AR Rifles by Brandon, Verified Owner, January 3, 2025
I purchased this to replace the standard plain handguard on my M4 Phosphate 5.56 Nato Carbine Rifle. It was a tight fit and the rail is very strong and rough but it fits. If you need picatinny rails on your handguard buy this.
Most Recent Reviews Good for a budget build by A. D., March 16, 2020
I decided to try this quad rail out for a budget build, and for my purposes it seems to do the job. Installation is a bit of a pain, but once it's on and screwed together it feels solid. Cuts under the top rail were perfect for zip tying a tape switc...
Read More...
Read All 4 Reviews
Color: Tan Finish: Black Anodized Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 , M4 Gun Rail: Picatinny Weight: 9.9 ozCondition: New Included Accessories: Standard Height: 2.3 in

Code: NC-HZ-AR15CLPQ-MAR4ST

MPN: MAR4ST

UPC: 848754011084

List: $52.99Save 17%
$43.99

Buy Together and Save

Receive $0.88 OP Bucks

Product Info for NcSTAR AR15 Carbine Length Quad Rail

Tan colored PICATINNY quad rail handguard, replaces factory 6.5" AR15 Carbine/M4 handguards. The quad rails allow the attachments of lights, lasers, vertical grips, and other accessories that can mount onto weaver/ PICATINNY/ MIL STD 1913 type rails.image

Specifications for NcSTAR AR15 Carbine Length Quad Rail:

Manufacturer: NcSTAR
Color: Tan
Finish: Black Anodized
Fabric/Material: Aluminum
Gun Make: AR Platform
Gun Model: M4, AR-15
Gun Type: Rifle
Handguard Style: Quad Rail
Gun Rail: Picatinny
Weight: 9.9 oz
Condition: New
Included Accessories: Standard
Height: 2.3 in
Quantity: 1
Width: 2.3 in
Length: 6.5 in

Features of NcSTAR AR15 Carbine Length Quad Rail:

  • NcSTAR's 3rd Generation AR15/M4 Carbine length quad rail handguard is now lighter and has a slimmer profile than earlier models
  • Now available in Tan color
  • Fits onto MIL-Spec AR15 Carbines/ M4 with the carbine length gas system using the GI Handguard Cap and Delta Ring
  • The solid quad rail provides the steady platform for attaching: optics
  • lasers
  • flashlights
  • vertical grips
  • bipods
  • and other accessories
  • Very easy to install with four Allen head screws and the provided mounting tool
  • No gunsmithing required
  • drop-in fit for MIL-Spec M4 carbine uppers
  • Aluminum construction with Tan powder coated finish.

Package Contents:

  • NcSTAR AR15 Carbine Length Quad Rail

NcSTAR AR15 Carbine Length Quad Rail Orderable Models

List of Orderable Models

NcSTAR AR15 Carbine Length Picatinny Quadrail Handguard, Tan, MAR4ST , MPN: MAR4ST , UPC: 848754011084 , Code: NC-HZ-AR15CLPQ-MAR4ST

NcSTAR AR15 Carbine Length Quad Rail Unavailable & Discontinued Models

List of Unorderable Models

USED, NcSTAR AR15 Carbine Length Picatinny Quadrail Handguard, Tan, MAR4ST , MPN: MAR4ST-EDEMO , Code: NC-HZ-AR15CLPQ-MAR4ST-EDEMO-SC-C
USED NcSTAR AR15 Carbine Length Picatinny Quadrail Handguard, Tan, MAR4ST, EDEMO2, Used, Condition Fair , MPN: MAR4ST-EDEMO2 , Code: NC-HZ-AR15CLPQ-MAR4ST-EDEMO2
Compare (0)