Spike’s Tactical Calico Jack AR-15 Stripped Lower Receiver – Pirate Logo, Multi-Cal, Mil-Spec

Spikes Lower Receiver Stripped-Calico Jack Logo -Strike Fear with the Calico Jack . Add some attitude to your next AR build with the Spike’s Tactical Calico Jack Stripped Lower Receiver. Featuring the iconic pirate skull and crossed swords engraving, this mil-spec lower is a favorite among enthusiasts who want their rifle to stand out—without compromising performance.

Built from 7075-T6 forged aluminum, the same material used in military M4s, and finished with a Type III hardcoat anodizing, the Calico Jack lower is all about durability, precision, and style.

The Spike’s Tactical Spider Lower is the standard lower that all ST-15 LE Rifles are assembled with, featuring the ST Calico Jack Logo predominantly on the left side of the magwell. The selector markings are bullet pictograms.

Spike’s Tactical AR-15 Stripped Lower Receiver – Calico Jack Pirate Logo, Multi-Caliber, Black Anodized

Set sail on your next AR build with the bold and iconic Spike’s Tactical Calico Jack Stripped Lower Receiver. Featuring the infamous Calico Jack pirate skull-and-crossbones laser-engraved on the magwell, this multi-caliber AR-15 lower is a favorite among enthusiasts who want both performance and attitude in their rifle.

CNC-machined from 7075-T6 forged aluminum, this lower meets mil-spec standards and is finished in a Type III Class 2 hardcoat anodizing for enhanced durability and corrosion resistance. Compatible with all standard AR-15 parts and upper receivers, it’s the perfect base for custom builds that make a statement.

Perfect For:
AR-15 builders looking for a high-quality stripped lower with a unique visual twist. Whether it’s a themed pirate build or a rugged range rifle, the Calico Jack lower delivers reliability with character.

✅ Key Features:

• Calico Jack Pirate Logo
  Deep laser-engraved skull and swords design on the left magwell—clean and menacing.

• Multi-Caliber Marked
  Compatible with 5.56 NATO, .223 Rem, .300 Blackout, and other standard AR-15 calibers.

• 7075-T6 Forged Aluminum
  Strong, lightweight, and mil-spec—ready for duty or fun.

• Type III Class 2 Hardcoat Anodized Finish
  Black, corrosion-resistant, and built to last.

• Mil-Spec Dimensions
  Fully compatible with any mil-spec AR-15 upper and parts kit.

• Safe/Fire Selector Markings
  Standard engraved markings; color-fill optional depending on model/version.

• Proudly Made in the USA

Specifications:

Perfect For:

• Unique, high-quality AR builds

• Tactical or pirate-themed setups

• Fans of aggressive and creative engravings

• Collectors of custom lower receivers

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