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Questions & Answers

Product No Longer Available

Unfortunately Quarter Circle 10 9x19mm Universal Bolt Assembly is not listed by OpticsPlanet.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!

Product Info for Quarter Circle 10 9x19mm Universal Bolt Assembly

Engineered specifically for pistol caliber ammunition, not modified from an existing platform, increasing functionality, reliability and overall performance.image

Features of Quarter Circle 10 9x19mm Universal Bolt Assembly

  • Advanced blowback design
  • Manufactured to function reliably with any QC10 9mm platform
  • Glock, MP5, and CLT9MM magazines supported
  • Drop-in Installation
  • 8620 Steel Bolt
  • QPQ Nitride treated for maximum durability and wear resistance
  • Heavy Duty Extractor
  • Removable mass

Package Contents:

  • Quarter Circle 10 9x19mm Universal Bolt Assembly

Gun Sights

1–23 / 23
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Mounts, Rings and Accessories

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Gun Cleaning Kits

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Holsters

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Gun Parts and Accessories

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Related Products to Quarter Circle 10 9x19mm Universal Bolt Assembly

Quarter Circle 10 9x19mm Universal Bolt Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • Quarter Circle 10 9x19mm Universal Bolt Assembly, Black Nitride, QC-A-BLT-G-9 , MPN: QC-A-BLT-G-9 , Code: 3KL-BCG-919UBA-QC-A-BLT-G-9
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Last updated 2026-10-09 UTC.