Battle Arms Development Lightweight Upper/Lower Set 223 Rem/

Description

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“description”: “

What is the Battle Arms Development Lightweight Upper/Lower Set 223 Rem/5.56mm, Black, Billet 7075-T6 Aluminum? It’s a premium matched receiver set designed for builders who want a lightweight, rigid foundation for a high-performance AR-15. Machined from solid 7075-T6 aluminum billets, it sheds unnecessary weight without sacrificing the strength needed for serious use. I’ve built several rifles on this platform, and the fit and finish consistently impress—it’s a solid step up from a typical forged set.

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Key Features

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• Billet 7075-T6 Aluminum: Machined from solid blocks for superior strength-to-weight ratio and clean aesthetics.

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• Weight-Optimized Design: Strategic material removal reduces mass where possible while maintaining critical structural integrity.

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• Matched Set: The upper and lower are precision-machined to fit together tightly, minimizing play for better accuracy.

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• Enhanced Flared Magwell: Speeds up reloads under pressure, a feature you’ll appreciate during dynamic drills.

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• Threaded Bolt Catch Pin: A small but brilliant detail that makes assembly and disassembly infinitely easier than dealing with a roll pin.

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Specifications & Details

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Specification	Detail
Material	7075-T6 Aluminum Billet
Caliber	.223 Remington / 5.56x45mm NATO
Finish	Type III Hardcoat Anodized, Black
Compatibility	Standard AR-15/M16 parts kits and barrels
Lower Receiver Style	Flared Magwell, Threaded Bolt Catch Pin
Weight (Approx. Set)	Lighter than standard forged sets (exact weight varies)

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Here’s the thing—this set is designed to be a foundation. It’s fully compatible with mil-spec internal pa