M400 Tread Flip Up Sight Set

Name: M400 Tread Flip Up Sight Set
Brand: Sig Sauer
Availability: InStock

Sig Sauer · Sights & Optics

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Best price

$123.99at GunMag Warehouse

In stock checked Oct 1, 2026

Buy at GunMag Warehouse

Compare 7 stores

Where to buy

Store	Price	Availability	Buy
GunMag Warehouse Best price	$123.99checked Oct 1, 2026	In stock	Buy at GunMag Warehouse
MidwayUSA	$131.99checked Oct 1, 2026	In stock	Buy at MidwayUSA
OpticsPlanet	$146.49Salechecked Oct 1, 2026	In stock	Buy at OpticsPlanet
Sportsman's Warehouse	$149.99checked Oct 1, 2026	In stock	Buy at Sportsman's Warehouse
Battlehawk Armory	$110.58Salechecked Oct 1, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$129.99Salechecked Oct 1, 2026	Check store	Buy at Palmetto State Armory
Brownells	$132.99checked 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

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Lowest in-stock price in the last 30 days: $123.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Battlehawk Armory	$110.58	$110.58	$110.58
Brownells	$132.99	$132.99	$132.99
GunMag Warehouse	$123.99	$123.99	$123.99
MidwayUSA	$131.99	$131.99	$131.99
OpticsPlanet	$146.49	$146.49	$146.49
Palmetto State Armory	$129.99	$129.99	$129.99
Sportsman's Warehouse	$149.99	$149.99	$149.99

Since Sep 28, 2026.

About this part

The M400 Tread Flip Up Sight Set is an iron sight from Sig Sauer. It's sold by 7 stores (4 in stock), from $110.58 to $149.99. The lowest in-stock price in the last 30 days was $123.99 at GunMag Warehouse.

Specifications

Manufacturer: Sig Sauer
Type: Iron Sights
Magnification class: 1x (non-magnified)

From the manufacturer

M400 Tread Adjustable flip sights that are quickly deployable, foldable and built exclusively for the TREAD picatinny rail. *Includes Picatinny Rail and mounting screw/nut* Mfg: Sig Sauer, Inc.