Black Knight M4 Outer 2 Piece Barrel System 9in. and 14in. for M4 AEGs

  • Sale
  • $39.95
Shipping calculated at checkout.
The Black Knight M4 Outer 2 Piece Barrel System 9in. and 14in. for M4 AEGs is the product you didn't think you need, but once you have it, something you won't want to live without.

Inventory Last Updated: Nov 08, 2025