Spikes Tactical AR15 Spider Stripped Lower Receiver - FIRE/SAFE

Spikes Tactical AR15 Spider Stripped Lower Receiver - FIRE/SAFE

Precision-forged from 7075-T6 aluminum and finished with a rugged Type III hardcoat anodizing, this lower delivers the strength, reliability, and consistency serious builders demand.

Whether you're assembling a custom rifle from the ground up or adding a high-quality receiver to your collection, the ST-15 offers a proven Mil-Spec foundation with clean Fire/Safe selector markings and Spike’s iconic Spider logo. Designed to meet exacting standards, this stripped lower ensures proper fitment with a wide range of components, making it an ideal choice for both first-time builders and experienced enthusiasts.

Engineered for durability and versatility, the multi-caliber design supports a variety of builds, while the low shelf configuration provides compatibility with advanced setups. Reliable, rugged, and ready for anything—this is the receiver that sets the standard for performance-driven AR builds.

7075-T6 Forged Construction
Delivers superior strength and durability over billet or cast alternatives.

Mil-Spec Hardcoat Anodized Finish
Provides excellent resistance to wear, corrosion, and hard use.

Fire/Safe Selector Markings
Clean, traditional markings for intuitive operation.

Iconic Spider Logo
Signature Spike’s Tactical branding for a distinctive look.

Low Shelf Design
Compatible with a broader range of internal configurations.

Specifications

• Manufacturer: Spike’s Tactical
• Model: ST-15 Stripped Lower Receiver
• Platform: AR-15
• Caliber Marking: Multi-Caliber (.223 Remington / 5.56 NATO compatible builds)
• Receiver Type: Stripped lower
• Material: 7075-T6 forged aluminum
• Finish: MIL-A-8625F Type III Class 2 hardcoat anodized
• Selector Markings: Fire / Safe
• Design: Low shelf (RDIAS compatible)
• Logo: Spider engraving
• Weight: 8.6 oz