M400 Tread Replacement Handguards - 15" M-LOK Enhanded Handguard, Black
$119.99 at GunMag Warehouse · 12 stores
In stock
M400 Tread Replacement Handguards - 13" M-LOK Enhanded Handguard, Black
Sig Sauer · Rails & Handguards
No ratings yetBest price
$129.99at OpticsPlanet
In stock Sale checked Nov 13, 2026
Fits and works with
- Handguard length
- 13" · Barrels
Specifications
- Manufacturer
- Sig Sauer
- Color
- Black
- Platform
- AR-15
- Length
- 13"
- Attachment
- M-LOK
- Weight
- 2.4 oz
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $129.99Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $149.99checked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| GrabAGun | $119.99Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Natchez | $119.99Salechecked Nov 13, 2026 | Check store | Buy at Natchez | |
| Palmetto State Armory | $130.99checked Oct 13, 2026 | Check store | Buy at Palmetto State Armory | |
| Classic Firearms | $131.93checked Nov 13, 2026 | Check store | Buy at Classic Firearms | |
| AR15Discounts 5% off | $149.99checked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $149.99checked Nov 13, 2026 | Check store | Buy at Dirty Bird | |
| Ammunition Depot | $117.49checked Oct 14, 2026 | Out of stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $119.99checked Oct 13, 2026 | Out of stock | Buy at GunMag Warehouse | |
| Kentucky Gun Co | $127.99checked Nov 13, 2026 | Out of stock | Buy at Kentucky Gun Co | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $132.99checked Nov 13, 2026 | Out of stock | Buy at Brownells | |
| Sportsman's Warehouse | $149.99checked Oct 14, 2026 | Out of stock | Buy at Sportsman's Warehouse |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $119.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $149.99 | $149.99 | $149.99 |
| Ammunition Depot | — | $109.49 | $117.49 |
| Brownells | $132.99 | $132.99 | $132.99 |
| Classic Firearms | $131.93 | $131.93 | $131.93 |
| Dirty Bird | $149.99 | $149.99 | $149.99 |
| GrabAGun | $119.99 | $119.99 | $119.99 |
| GunMag Warehouse | — | $119.99 | $119.99 |
| Kentucky Gun Co | $127.99 | $122.14 | $127.99 |
| MidwayUSA | $149.99 | $146.99 | $149.99 |
| Natchez | $119.99 | $119.99 | $119.99 |
| OpticsPlanet | $129.99 | $119.99 | $129.99 |
| Palmetto State Armory | — | $130.99 | $130.99 |
| Sportsman's Warehouse | — | $149.99 | $149.99 |
Since Sep 28, 2026.
About this part
The M400 Tread Replacement Handguards - 13" M-LOK Enhanded Handguard, Black is a 13" AR-15 handguard from Sig Sauer. It's sold by 13 stores (2 in stock), from $117.49 to $149.99. The lowest in-stock price in the last 30 days was $119.99 at OpticsPlanet.
From the manufacturer
Factory replacement handguards for the SIG SAUER M400 TREAD. Does not include mounting hardware, use existing hardware. Mfg: Sig Sauer, Inc.
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