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JBU Full Metal Version 3 Gearbox FPS Upgrade Kit for AK/ AUG/G36 AEGs

SKU: ACC-SDJA44 JBUOut of stock

  • - 1x M120 Spring
  • - 1x Aluminum Steel Teeth Piston
  • - 1x Ported Aluminum Piston Head w/ Bearings
  • - 1x Full Seal Aluminum Cylinder
  • - 1x Aluminum Cylinder Head
  • - 1x Steel Ball Bearing Spring Guide
  • Compatibility: Designed for Version 3 Gearbox equipped AUG, AK, G36, and MP5K AEGs. Make certain that your AEG is compatible with these upgrade components.

$44.95
Qty



In the Box

Specifications:



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