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)
| Weight | 60 oz |
|---|---|
| Dimensions | 16 × 9 × 3 in |
| MPN | APCS100179S, APCS100180S, APCS100183S, APCS100184S, APCS100187S, APCS100188S, APCS100191S, APCS100192S |




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