NCSTAR 6.5" AR-15/M4 Carbine Length Quad Rail Handguard, Hardcoat Anodized Black - MAR4S

NcStar 6.5" AR-15/M4 Carbine Length Quad Rail Handguard, Hardcoat Anodized Black - MAR4S - Handguard for AR-15 - view 1
NcStar 6.5" AR-15/M4 Carbine Length Quad Rail Handguard, Hardcoat Anodized Black - MAR4S - Handguard for AR-15 - view 2
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NcSTAR

Overview

The NcStar 6.5" AR-15/M4 Carbine Length Quad Rail Handguard is designed for the AR-15 platform and features a carbine-length gas system, making it an ideal choice for builds that require a compact yet versatile handguard. This quad rail handguard allows for the attachment of various accessories via its Picatinny mounting interface, enhancing your rifle's functionality. It is commonly found in builds chambered in 5.56 NATO, where space efficiency and accessory versatility are key considerations.

Specifications

MPNMAR4S
FinishHardcoat Anodized
Handguard Length6.5
Gas System LengthCarbine
ColorBlack
Mounting InterfacePicatinny
PlatformAR-15

Available Merchants(5)

Prices checked

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Classic Firearms
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$44
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BattleHawk Armory
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$44
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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$50
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KY Gun Company
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$32
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Optics Planet
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$44

Build history on GunPartPicker

Builders have been adding the NCSTAR 6.5" AR-15/M4 Carbine Length Quad Rail Handguard, Hardcoat Anodized Black - MAR4S to their builds on GunPartPicker since March 2026. All time, it ranks #72 of the 669 handguards builders have added.

It was in stock most days in August 2026, and today 3 of the 5 retailers we track have it in stock. Prices barely moved in August 2026, holding around $30.81, so there haven't been real sales lately. Buying today, the lowest price is $43.99 at Classic Firearms, above August's low of $30.81, so a better deal may come back.

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Frequently Built With

The part most often added in each category by the 7 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

88.5%
AR-1588.5%
AR-108.4%
AR-93.1%

Caliber

64.7%
5.56 NATO64.7%
.223 Wylde14.6%
300 Blackout8%
.308 Win3.9%
9mm1.9%
Other7.2%

Gas System

44.5%
Mid-Length44.5%
Carbine28%
Rifle15.3%
Pistol10.7%
Blowback1.1%
Other0.4%

Builds Featuring This Part

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Builds in the community that include the NcStar 6.5" AR-15/M4 Carbine Length Quad Rail Handguard, Hardcoat Anodized Black - MAR4S

BuildPartsTotal
brownells 10.5" 5.56 build
brownells 10.5" 5.56
24$608.34

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