Sig Sauer

M400 SDI 5.56MM Black 11" SBR

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Sig Sauer

Overview

The SIG Sauer M400 SDI 5.56MM Black 11" SBR is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPNRM400-SDI-11B-SBR-B
PlatformAR-15
Caliber5.56 NATO
Gas System LengthCarbine
Thread Pitch1/2x28
Action TypeSemi-Auto
Twist Rate1:7
ColorBlack
Barrel Length11.0
ComplianceStandard

Available Merchants(2)

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BattleHawk Armory
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$1,500
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KY Gun Company logo
KY Gun Company
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Out of Stock
$1,500
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Price and stock

The SIG Sauer M400 SDI 5.56MM Black 11" SBR was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,499.99 at BattleHawk Armory for when it comes back.

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