The Wilson Combat M4 Mil-Spec, flat-top upper receivers are precision CNC machined from 7075 T6 aluminum forgings for maximum durability and Mil-Spec Type 3 hard coat anodized in rugged black. Whether you are building a match upper or a complete tactical rifle, quality starts with the upper receiver. This receiver comes unmarked for a clean, custom look. The same top-quality upper used as the basis of our famous custom rifles.
Features:
- Mil-Spec forged upper receiver with Picatinny top accessory/optic rail
- 7075 T6 forged aluminum construction
- M4 style feed ramps
- Black hardcoat anodized finish with Mil-Spec dry lube internal coating
- Stripped-no forward assist or ejection port cover installed
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