Spikes M4 Flat Top Design your own
The Spike’s Tactical M4 flat top upper receiver is machined from a Mil-Spec 7075 T6 forging with a durable Type III Hardcoat Anodized finish that also features laser engraved T-Markings, M4 feed ramps cut into the receiver before Anodizing to avoid future reliability issues, and finished with our spider logo. We’ve also included a forward assist and ejection port door cover already installed in the upper for you!
- Machined from a Mil-Spec 7075 T6 forging
- Type III Hardcoat Anodized finish
- Ejection port door cover and forward assist come pre-installed