Sharps Gen2 Warthog Billet Lower
$265.95
Seekins Sp223 Gen2 Billet Lower Logo
Seekins Precision
$269.00
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Seekins Precision
Seekins Sp223 Gen2 Billet Lower Logo
The Seekins Precision SP223 Gen2 Billet Lower Receiver is a premium, CNC-machined AR-15 lower built from solid billet aluminum — engineered for shooters who demand superior fit, finish, and functionality well beyond standard mil-spec components.
- Precision CNC machined from solid billet 7075-T6 aluminum for maximum strength
- Ambidextrous bolt release for seamless left- and right-handed operation
- Seekins Enhanced Bolt Catch provides positive, reliable bolt lock-back every time
- Upper receiver tensioning set screw eliminates wobble for a rock-solid fit
- Oversized trigger guard offers improved comfort with gloved or bare hands
- Far exceeds mil-spec standards with tighter tolerances and refined craftsmanship
Who This Is For
The SP223 Gen2 is ideal for competitive shooters, precision AR builders, and enthusiasts who refuse to compromise on quality. Whether you're assembling a dedicated match rifle, a rugged duty build, or a high-end range carbine, this lower provides the rock-solid foundation your build deserves. It pairs perfectly with any mil-spec upper receiver and is a natural choice for anyone investing in premium components from the ground up.
Specifications
| Brand | Seekins Precision |
|---|---|
| Model | SP223 Gen2 Billet Lower |
| Platform | AR-15 / .223 / 5.56 |
| Material | Billet 7075-T6 Aluminum |
| Manufacture Method | CNC Machined from Solid Billet |
| Bolt Catch | Seekins Enhanced Bolt Catch (Ambidextrous) |
| Tensioning Screw | Upper Receiver Tensioning Set Screw Included |
| Trigger Guard | Oversized, Integral |
| Mil-Spec Compatibility | Yes — Exceeds Mil-Spec Standards |
| Finish | Type III Hard Coat Anodized |
| Made In | USA |
Frequently Asked Questions
Is the SP223 Gen2 compatible with standard mil-spec AR-15 upper receivers and parts kits?
Yes. The Seekins SP223 Gen2 is fully compatible with standard mil-spec AR-15 upper receivers, lower parts kits, and stocks. The upper receiver tensioning set screw actually improves the fit between upper and lower, eliminating any play or wobble you might experience with standard components. You can use any mil-spec lower parts kit to complete the build.
What calibers can I build on the SP223 Gen2 lower receiver?
The SP223 Gen2 is designed for the AR-15 platform and is compatible with .223 Remington, 5.56 NATO, and any other caliber that uses a standard AR-15 lower — including .300 Blackout, .224 Valkyrie, and 6.5 Grendel, among others. Simply pair it with the appropriate upper receiver and magazine for your chosen caliber.
What makes the Seekins SP223 Gen2 worth the upgrade over a standard forged lower?
Unlike forged lowers, the SP223 Gen2 is machined from a solid billet of 7075-T6 aluminum, allowing for tighter tolerances, more complex geometry, and premium features like the integrated oversized trigger guard, ambidextrous bolt release, and upper tensioning screw. The result is a more refined feel, better upper-to-lower fit, and a level of craftsmanship that serious builders immediately notice — making it a worthwhile investment for any quality AR build.
