Engraved M4 Stripped Upper Receiver - Don't Tread On Me 3% 

This custom engraved M4 flat top upper receiver is machined to Military Specifications and comes precision engraved with a beautiful high contrasting image: "Don't Tread On Me Three percenter". We use a leading industry 3-axis galvo fiber direct diode laser to produce a permanent etching into the AR15 anodizing that has incredible detail. Spruce up your AR-15 upper with one of our many engraving images and save big!

• Machined from a Mil-Spec 7075 T6 forging
• Type III Hardcoat Anodized finish
• M4 Feedramps
• .250 takedown pin holes