Save big when you buy the M4E1 Builder Set! This package deal includes the pieces you need to start building your own M4E1 (AR15) Rifle, including a M4E1 Threaded Upper Receiver, AR15 ATLAS S-ONE Handguard of choice and a M4E1 Stripped Lower Receiver.
Includes:
- M4E1 Stripped Lower Receiver (Anodized Black, Anodized OD Green, or Magpul™ FDE Cerakote)
- M4E1 Threaded Upper Receiver (Anodized Black, Anodized OD Green, or Magpul™ FDE Cerakote)
- ATLAS S-ONE Handguard of choice (Anodized Black, OD Green Cerakote, or Magpul™ FDE Cerakote)
