Bad Workhorse Lower Receiver Blk
Battle Arms Development
$131.95
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Battle Arms Development
Bad Workhorse Lower Receiver Blk
The Battle Arms Development Bad Workhorse Lower Receiver is a precision-machined AR-15 lower receiver built for shooters who demand reliability, versatility, and premium construction without compromise. Crafted from aerospace-grade 7075-T6 aluminum and finished in a durable Type III hard anodized flat black, this lower is engineered to anchor a dependable, long-lasting build.
- Aerospace-grade 7075-T6 aluminum alloy for superior strength and light weight
- Type III hard anodized flat black finish resists corrosion and hard use
- Fully compatible with TDP/Mil-Standard AR lower receiver parts kits
- Broached magazine well ensures smooth, reliable magazine insertion every time
- Multi-caliber markings provide flexibility across a wide range of AR builds
- Set screw bolt catch pin and upper/lower tension screw for easy, rattle-free assembly
Who This Is For
The BAD Workhorse Lower Receiver is ideal for AR-15 builders — from first-time builders looking for a quality foundation to experienced gunsmiths who want a feature-rich lower that plays well with standard mil-spec parts. Whether you're assembling a dedicated 5.56 NATO rifle, an AR pistol, or exploring alternative caliber builds, the multi-caliber markings and mil-spec compatibility make this lower a smart, versatile choice for any shop or home build.
Specifications
| Brand | Battle Arms Development (B.A.D. Inc.) |
|---|---|
| Model | Bad Workhorse Lower Receiver |
| Material | 7075-T6 Aerospace Aluminum Alloy |
| Finish | Type III Hard Anodized Flat Black |
| Compatibility | TDP/Mil-Standard AR Lower Parts |
| Magazine Well | Broached |
| Caliber Markings | Multi-Caliber |
| Bolt Catch Pin | Set Screw Type (Easy Install) |
| Tension Screw | Upper/Lower Receiver Tension Screw Included |
| Platform | AR-15 |
Frequently Asked Questions
Is the BAD Workhorse Lower Receiver compatible with standard mil-spec AR-15 parts kits?
Yes. The Bad Workhorse Lower Receiver is fully compatible with TDP (Technical Data Package) and Mil-Standard AR lower receiver parts kits. This means you can use any standard lower parts kit (LPK) from reputable manufacturers without modification, making the build process straightforward for both beginners and experienced builders.
What calibers can I build on this lower receiver?
The Workhorse lower features multi-caliber markings, making it suitable for a variety of AR-15 platform builds including 5.56 NATO, .223 Remington, .300 Blackout, and other compatible calibers. Always ensure your upper receiver, barrel, and bolt carrier group are matched to your intended caliber before completing your build.
What is the advantage of the set screw bolt catch pin and tension screw?
The set screw bolt catch pin eliminates the need to drive out a traditional roll pin during assembly, significantly reducing the risk of marring the receiver and making installation easier — especially for first-time builders. The upper/lower receiver tension screw allows you to eliminate play between your upper and lower receivers, resulting in a tighter, more consistent fit that can improve accuracy and overall feel of the finished rifle.
