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QC10 Upper Receiver

Out of Stock


Product Description

Quarter Circle 10, THE AR Pistol Caliber BRAND.
Leader in top of the line, dedicated AR15 Pistol Caliber parts.
MUR Upper Receiver
  • Designed specifically for pistol-caliber AR builds in conjunction with VLTOR
  • Mil-Spec construction
  • Thicker receiver wall for increased rigidity and strength in blowback operation
  • Widened ejection port for large pistol caliber pistol cases
  • Made For the AR Platform- Not Modified
  • 11.5 oz stripped weight
*This product is not compatible with DI gas systems or rifle-caliber bolts

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