Great Lakes Firearms

Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 416R SS Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Black Cerakote Finish- GL15450SS Black

Great Lakes Firearms Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 416R SS Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Black Cerakote Finish- GL15450SS Black
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This is a serialized firearm.

Great Lakes Firearms

Overview

The Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 416R SS Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Black Cerakote Finish- GL15450SS Black is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPNGL15450SS BLK
PlatformAR-15
Caliber.450 Bushmaster
Gas System LengthRifle
Thread Pitch5/8x32
Action TypeSemi-Auto
Twist Rate1:16
ColorBlack
Barrel Length18.0

Available Merchants(1)

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Classic Firearms
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$869
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Price and stock

Availability is good for the Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 416R SS Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Black Cerakote Finish- GL15450SS Black: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $869, so there haven't been real sales lately. Buying today, the lowest price is $869 at Classic Firearms, which matches the best price we saw in August.

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