Sport Upper Receiver (HPA Type: C)

Crown Customs HPA Sport Upper Receiver Assembly

*Handguard must be chosen separately

Winner of the design challenge! Designed by @frozaa__1221/Instagram

• 3D-printed with PA6-CF20 carbon-fiber-reinforced nylon

• High strength, heat resistance, and long-term durability

• Metal-reinforced threads in all critical locations

• HPA compatible

• Integrated outer barrel interface for consistent alignment

• Lightweight skeletonized design

• Designed for competitive and field-ready airsoft builds

Barrel Extension Selection

• 1″ of barrel length is built into the receiver

• Select an extension totaling 1″ shorter than your desired final barrel length

  • Example:

• • Desired final barrel length: 6″

    • Sport upper → order 5″ extension

Compatible With:

• Modified V2 Gearboxes: Required for use

• G&G Polymer Lower Receivers: Drop-in fit

• Other Lower Receivers: May require modification