MA M4 Stripped Upper Receiver

MA M4 Stripped Upper Receiver

Your Price: $74.95
In Stock
Part Number:MA-UPPER

Choose Options

Forward Assist
Ejection Port Door

This upper is fully customizable. Add the forward and ejection port door you want.

Forged from 7075-T6 aluminum and precision machined to mil- spec M16/M4 specifications and features M4 feedramps.



  • Precision machined to correct Mil-Specs from 7075 T6 Forged aluminum
  • Machined for use with barrels that use an M4 barrel extension
  • M4 Feedramps
  • Hard- coat anodized per Mil-A-8625F Type III Class II in a matte black finish
  • .250” takedown pin holes
  • Dry Film Lube on interior bore per Mil-Spec.
  • Accepts all standard AR15/M16 components
  • Forge marks may vary. Cerro Forge or Brass Aluminum 

*Lifetime Guarantee covers manufacturing defects in materials and workmanship, regardless of the age of the product, but it does not cover normal wear and tear. Wear and tear is damage that naturally and inevitably occurs as a result of normal use.

ITAR: International Traffic in Arms Regulations Controlled Product
5 Stars
Great Upper
I have purchased two of these uppers from MA, very nice quality and workmanship. Went on my Noveske lower with no slop what so ever.
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Reviewed by:  from Houston. on 8/31/2018

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