Spikes Tactical Spider Stripped Lower Receiver – Multi-Caliber

Description

The Spikes Tactical Spider stripped lower receiver is an American-made AR-15 lower produced to Spike’s standards. It is constructed from 7075-T6 forged aluminum and finished with a MIL-A-8625F Type III Class 2 hardcoat anodize in black for durable surface protection. This stripped, multi-caliber lower is low-shelf and RDIAS compatible, and features the ST Spider logo on the left side of the magwell along with bullet pictogram selector markings. Requires a lower parts kit, buffer, and stock of your choosing to complete.

Key Specifications

• The receiver is made from 7075-T6 forged aluminum.
• The finish is Black Hardcoat Anodized (MIL-A-8625F Type III Class 2).
• The product type is Stripped lower receiver.
• It is compatible with AR-15 fitment.
• The listed caliber designation is Multi-Caliber.
• The weight is 8.60 oz.
• The lower is RDIAS compatible.
• The model features a Spider logo on the left magwell.
• The selector markings use bullet pictograms.
• Completion requires a lower parts kit, buffer & stock.

Built for reliability and flexibility, the Spider stripped lower provides a robust foundation for a wide range of AR-15 builds — from dedicated range rifles to precision or duty-style projects. Its forged 7075-T6 construction, practical compatibility features, and distinctive Spider marking deliver durable performance and a clean, purpose-driven aesthetic for builders who prioritize fit, function, and longevity.