

Product Description
The Spike's Tactical Generation 2 Billet Upper is a mil-spec style AR-15 upper receiver designed for .223 Remington / 5.56 NATO builds. Machined in a billet profile with an integrated top Picatinny rail, it provides a rigid, precise foundation for assembling a reliable upper receiver group. Finished in black and designed around a mil-spec barrel nut interface, it’s well-suited for custom builds, upgrades, and replacement applications.
Product Highlights
- Generation 2 billet-style AR-15 upper receiver for .223 Remington / 5.56 NATO platforms
- Mil-spec barrel nut interface for broad build compatibility
- Integrated top Picatinny rail for optics and accessory mounting
- Black finish to match common AR components and build aesthetics
- Ideal for builders seeking a rigid, precision-machined upper receiver foundation
Specs
- Brand: Spike's Tactical
- Type: Upper Receiver
- Model/Generation: Generation 2
- Construction: Billet
- Caliber Compatibility: .223 Remington / 5.56 NATO
- Color: Black
- Barrel Nut Interface: Mil-Spec
- Manufacturer Part Number: SFT52B2
- UPC: 810083267760
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