Lower Receivers
Spike's Tactical Lower Receivers
Known for the engraved lower series. Mechanically standard forgings; the differentiation is cosmetic and collectable.
Current lower receivers
| Model | Type | Construction | Notable features |
|---|---|---|---|
| ST-15 Stripped | Stripped | Forged 7075-T6 | Multi-calibre marked |
| Spider Lower | Stripped | Forged 7075-T6 | Engraved receiver, integral trigger guard |
| ST-15 Complete | Complete | Forged 7075-T6 | Fitted with parts kit |
Line-up checked against the manufacturer's catalogue. Checked 2026-08-01