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Quarter Circle 10 45ACP Bolt Assembly Cut For Glock


Out of stock

Quarter Circle 10 45ACP Bolt Assembly Cut For Glock


Quarter Circle 10 is proud to offer their blowback pistol-caliber bolt carrier group for .45 ACP Glock magazine platforms. These are the best pistol-caliber BCGs available, and have been designed and milled to their exacting specifications based on their commitment to being Made For-Not Modified. These bolts are precision machined, with their patent-pending AR-15 style extractor for flawless operation. Each bolt features the “Glock Cut” for reliable feeding in the narrow feed lips of .45 ACP Glock magazines. Their bolts are build for compatibility with any standard AR trigger group, and come complete and ready for installation right out of the box.



  • Bolt
  • Firing Pin
  • Firing Pin Spring
  • Firing Pin Cotter Pin
  • Extractor
  • Removable Mass in Rear
  • 15 oz assembled weight


Now, you can build your pistol-caliber platform with the peace of mind of knowing that every component is of the highest quality. Whether for home-defense, law enforcement, competition, or plinking, Quarter Circle 10 has you covered, with their philosophy of Made For- Not Modified. Each of their parts is engineered and manufactured with pistol calibers in mind, rather than modified from rifle-caliber components as an afterthought. 

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.

More Information
Product Type Bolt
Manufacturer Quarter Circle 10
Option Glock
Caliber .45 ACP
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