Yankee Hill Machine Co. Black Diamond Specter XL Top End - Black Diamond Specter XL Top End 5.56mm NATO 16" Bbl 1-8
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Yankee Hill Machine
Overview
The Yankee Hill Machine Co. Black Diamond Specter XL Top End is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a 1:8 twist rate, this upper is optimized for stabilizing a variety of bullet weights, making it versatile for different shooting applications. This assembly is commonly used in builds with a carbine gas system, providing reliable performance for a range of shooting scenarios.
Specifications
Yankee Hill Machine Co. Black Diamond Specter XL Top End - Black Diamond Specter XL Top End 5.56mm NATO 16" Bbl 1-8
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Build history on GunPartPicker
Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the 15 builds that include this one
Yankee Hill Machine Complete AR-15 Lower Receiver - M4 Stock
Yankee Hill Machine Co. AR-15 16.5" Threaded Fluted Barrel 1-8 Twist
Zev Technologies Wedge Lock AR-15 Handguard - 16.625"
WMD NIB-X Nickel Boron Charging Handle - Black Topcoat
WMD Guns 5.56 AR-15 Bolt Carrier Group Without Hammer - NIB-X Finish - Black
XTS M-LOK Aluminum Angled Foregrip - Black
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