The M4LEP .22 Caliber AR-15 upper maintains compatibility with all the same parts and accessories that fit your full caliber AR's, including the lower receiver.
Comes with non-functional forward assist plug.
- Black Phosphated .22LR Action
- 16 inch W.A.S.P. steel barrel
- 1:16 inch twist
- Mil-Spec 1/2x28 threaded muzzle
- Carbon Steel Barrel
- Live Round Extraction
- Anti-Jam Charging Handle
- Firing Pin retained by standard AR15/M16 Cotter pin
- Mil-Spec M4 Receiver with Ceramic Finish
- Gas Deflector
- Receiver Height Single Rail Gas Block
- A1 Flash Hider
Upper Does Not Include Magazine
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