Stern Defense HG15 MOD4 M-LOK AR-15 Handguard - 15"
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Stern Defense
Overview
The Stern Defense Hg15 Mod4 M-Lok AR-15 Handguard is a robust 15-inch handguard designed for the AR-15 platform, constructed from lightweight 6061-T6 aluminum and finished with a hardcoat anodized surface for added durability. Its M-LOK mounting interface allows for versatile accessory attachment, making it ideal for builders looking to customize their setups efficiently. This handguard is commonly found in builds featuring a rifle-length gas system and chambered in 5.56 NATO, providing both stability and functionality.
Specifications
Price and stock
The Stern Defense HG15 MOD4 M-LOK AR-15 Handguard - 15" was in stock most days in September 2026, and today all 3 retailers we track have it in stock. It dipped to $109.99 at Optics Planet for a stretch in September 2026, under its usual $119.99 to $120.99, so sales do come around. Buying today, the lowest price is $109.99 at Optics Planet, which matches the best price we saw in September.
Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 3 builds that include this one
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Alpha Shooting Sports 5.56 Spiral Fluted Mid Length AR-15 Barrel - 16"
Aero Precision AR-15 M4E1 Stripped Upper Receiver Black 5.56mm
Builds Featuring This Part
See all 1 →Builds in the community that include the Stern Defense Hg15 Mod4 M-Lok Ar-15 Handguard - 15"
| Build | Parts | Total |
|---|---|---|
 | 29 | $3878.88 |
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