Description
Spikes Tactical STLS019 Spider is a stripped AR-15 lower receiver for building a multi-caliber rifle. It is a semi-auto lower made from 7075-T6 forged aluminum with a MIL-A-8625F Type III Class 2 hard coat anodized finish in black. The low-shelf design is RDIAS compatible, with Spider model markings around the left side of the magwell and bullet pictograms on the selector markings.
Key features
- Stripped lower receiver, finished in black
- 7075-T6 forged aluminum with MIL-A-8625F Type III Class 2 hard coat anodized finish
- Low shelf design, RDIAS compatible
- Spider logo predominantly on the left side of the magwell
- Selector markings use bullet pictograms
Notes on completion
This lower is not complete. A lower parts kit, buffer, and stock of your choosing are required to finish the firearm.
| Caliber | Multi-Caliber (223 Remington/5.56 NATO) |
|---|---|
| Action | Semi-Auto |
| Receiver type | Stripped Lower |
| Material | 7075-T6 forged aluminum |
| Finish | Black, MIL-A-8625F Type III Class 2 hard coat anodized |
| Model | Spider (ST Spider Logo, bullet pictogram selector markings) |
| Design | Low shelf, RDIAS compatible |



