The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand.
| Series | M4E1 |
| Model | Pro Lower Receiver |
| Firearm Fit | AR-15 |
| Gun Platform | AR-Style |
| Hand | Ambidextrous |
| Type | Semi-Complete |
| Compatible With | AR15 Components and Magazines |
| Receiver Finish | Black Anodized |
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