This VFC Specific gearbox can be used with many other companies, and doesn't vary much from their standard V2 gearbox. The only changes is the addition of the 2 posts, and screw hole for the VFC's Mock Bolt Lock mechanism, as well as the ability to add optional VFC ambidextrous selector switches.

Features

• Precision machined from a block of billet EN AW 7075 T651 aluminum
  
• Quick change spring guide system
  
• Reinforcement in key stress points to counter rapid wear from high performance parts
  
• Pre-radiused cylinder windows - helps evenly distribute impact force
  
• Deeper wire channels along base of gearbox

Specifications

• Compatibility: VFC M4 ARs including Bolt Catch mounting point.
• Material: CNC Billet EN AW 7075 T651 Aluminum
• Includes: Mounting hardware, screws, and spring guide.
• Please Note: Do not use the MAXX cylinder head with this gearbox shell