AR15 Parts and Accessories by M&A Parts

4" 9MM Upper

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Product Details

4" Flattop 9MM Upper

4" Flattop 9MM Upper Forged Flattop Upper Receiver - Nitrite Chrome-Moly 1:10 Twist Heavy Barrel. Comes complete with Bolt Carrier group and Charging Handle.

M&A Price: $445.00

Usually Ships 2-3 Days
Item #
4 9MM Upper
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Customize Your Kit

Build your complete kit or customize an existing one by selecting itmes from the pull down menus below.

  • Charging Handle
  • Detachable Front Sight
  • Detachable Rear Sight
  • Flash Suppresor
  • Hand Guard
Subtotal: $445.00