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Spear Arms

Spear Arms AR-9 Premium Billet Upper

Product Code : Not Specified


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Our upper receiver is precision CNC-machined in house from solid billet aluminum. This is a top-tier upper receiver perfect for any high quality AR-9 build. We use these on our personal and full guns.
Slotted receiver and slick sided makes for a sleek and light upper to keep your PCC light!!
These uppers fit great with our AR-9 lowers but are also compatible with any milspec AR-15 lower.
  • Oversized wall thickness to add strength for blowback operation
  • Designed specifically for pistol caliber AR builds
  • Widened ejection port for pistol caliber cases
  • Mil-Std 1913 Picatinny rail
  • Made in the U.S.A.

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