Midwest Industries MI AR-15/M16 M-Series Drop-In Handguard
$136.95 at OpticsPlanet · 5 stores
In stock Sale
M400 Tread Replacement Handguards - 10" M-LOK Enhanded Handguard, Black
Sig Sauer · Rails & Handguards
No ratings yetBest price
$135.99at OpticsPlanet
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $135.99Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Brownells | $146.99checked Oct 1, 2026 | Out of stock | Buy at Brownells |
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: $135.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $146.99 | $146.99 | $146.99 |
| OpticsPlanet | $135.99 | $135.99 | $135.99 |
Since Sep 28, 2026.
About this part
The M400 Tread Replacement Handguards - 10" M-LOK Enhanded Handguard, Black is a 1E+1" AR-15 handguard from Sig Sauer. It's sold by 2 stores (1 in stock), from $135.99 to $146.99. The lowest in-stock price in the last 30 days was $135.99 at OpticsPlanet.
Fits and works with
- Handguard length
- 1E+1" · Barrels
Specifications
- Manufacturer
- Sig Sauer
- Color
- Black
- Platform
- AR-15
- Length
- 10"
- Attachment
- M-LOK
From the manufacturer
Factory replacement handguards for the SIG SAUER M400 TREAD. Does not include mounting hardware, use existing hardware. Mfg: Sig Sauer, Inc.
Similar rails & handguards
T.R.I.M AR .308 Handguard 12.6" Black M-LOK
$139.49 at OpticsPlanet · 6 stores
In stock Sale
Top AR-15 7" Full Rail M-LOK Handguard Anodized Black
$139.60 at MidwayUSA · 7 stores
In stock
AR-15 Handguard 15" Black M-LOK
$131.99 at OpticsPlanet · 6 stores
In stock Sale
Odin Works 17.5" M-LOK Ragna Free Float AR-15 Handguard, Black
$140.30 at OpticsPlanet · 6 stores
In stock Sale
Midwest Industries Gen2 Two Piece Drop-In Carbine Length Handguard - MCTAR-17G2-BLK
$141.95 at OpticsPlanet · 6 stores
In stock Sale
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.