Great Lakes Firearms

Great Lakes Firearms GL15 GL15400SSBRZ Rifle, 400 Legend, 16.5" Stainless Barrel, 5+1, Semi-Auto, M-LOK, Bronze Cerakote, Threaded Barrel.

Great Lakes Firearms GL15 GL15400SSBRZ Rifle, 400 Legend, 16.5" Stainless Barrel, 5+1, Semi-Auto, M-LOK, Bronze Cerakote, Threaded Barrel. - Complete Rifle - view 1
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This is a serialized firearm.

Great Lakes Firearms

Overview

The Great Lakes Firearms GL15 GL15400SSBRZ Rifle, 400 Legend, 16.5" Stainless Barrel, 5+1, Semi-Auto, M-LOK, Bronze Cerakote, Threaded Barrel. is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPNGL15400SS BRZ
PlatformAR-15
Caliber.40 S&W
Gas System LengthMid-Length
Thread Pitch5/8x24
Action TypeSemi-Auto
Twist Rate1:10
ColorBurnt Bronze
Barrel Length16.5

Available Merchants(1)

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Sportsmans Outdoor Superstore
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Out of Stock
$768
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Build history on GunPartPicker

Builders on GunPartPicker first added the Great Lakes Firearms GL15 GL15400SSBRZ Rifle, 400 Legend, 16.5" Stainless Barrel, 5+1, Semi-Auto, M-LOK, Bronze Cerakote, Threaded Barrel. to a build in May 2026.

It was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $767.99 at Sportsmans Outdoor Superstore for when it comes back.

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