M400 Tread Replacement Handguards - 10" M-LOK Enhanded Handguard, Black

Name: M400 Tread Replacement Handguards - 10" M-LOK Enhanded Handguard, Black
Brand: Sig Sauer

Sig Sauer · Rails & Handguards

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M400 Tread Replacement Handguards - 10" M-LOK Enhanded Handguard, Black

Best price

$149.99at AR15Discounts

checked Nov 14, 2026

Buy at AR15Discounts

Compare 4 stores

Fits and works with

Handguard length: 1E+1" · Barrels

Specifications

Manufacturer: Sig Sauer

Compatibility

Platform: AR-15

Dimensions and weight

Length: 10"
Weight: 2.4 oz

Materials and features

Attachment: M-LOK
Color: Black

Where to buy

Store	Price	Availability	Buy
AR15Discounts Best price 5% off	$149.99checked Nov 14, 2026	Check store	Buy at AR15Discounts
OpticsPlanet	$135.99Salechecked Nov 14, 2026	Out of stock	Buy at OpticsPlanet
Kentucky Gun Co	$142.99checked Nov 14, 2026	Out of stock	Buy at Kentucky Gun Co
Brownells 17.76% off · ends Nov 15 · exclusions apply	$146.99checked Nov 14, 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

Show

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
Brownells	$146.99	$146.99	$146.99
Kentucky Gun Co	$142.99	$142.99	$142.99
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 4 stores, from $135.99 to $149.99.