Knights Armament

Knights Armament SR-15 Semi-Automatic AR-15 Rifle 16" Barrel .223/5.56 30rd - 31900

Knights Armament Knights Armament SR-15 Semi-Automatic AR-15 Rifle 16" Barrel .223/5.56 30rd - 31900
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Knights Armament

Overview

The Knights Armament SR-15 Semi-Automatic AR-15 Rifle 16" Barrel .223/5.56 30rd - 31900 is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPN31900
PlatformAR-15
Caliber5.56 NATO
Gas System LengthMid-Length
Thread Pitch1/2x28
Action TypeSemi-Auto
Twist Rate1:7
ColorBlack
Barrel Length16.0
ComplianceStandard

Available Merchants(3)

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Classic Firearms logo
Classic Firearms
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Out of Stock
$2,500
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Sportsmans Outdoor Superstore logo
Sportsmans Outdoor Superstore
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$2,700
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KY Gun Company logo
KY Gun Company
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Out of Stock
$2,904
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Build history on GunPartPicker

Builders on GunPartPicker first added the Knights Armament SR-15 Semi-Automatic AR-15 Rifle 16" Barrel .223/5.56 30rd - 31900 to a build in June 2026.

Today none of the 3 retailers we track has it in stock right now. Listed prices start at $2,499.99 at Classic Firearms for when it comes back.

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