.45ACP GLF Pistol - Rear Charging

Availability: Out of stock

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. QC10 GLF .45ACP Pistol

Shipping & Returns

Shipping: All orders are shipped within 72 hours Monday - Friday 8am - 5pm PST

Any order containing a lower receiver will not be shipped until we receive a copy of your FFL. Once received regular shipping policies apply. Submit your FFL Here.


Returns: Quarter Circle 10 offers a 30 day return, refund and exchange policy. See Details.

  • QC10 .45ACP Rear Charging Receiver Set

  • Billet 7075-T6 Aluminum

  • Engineered for .45ACP Double Stack GLOCK® Magazines

  • Type III Hard Coat Anodizing

  • QC10 Dedicated .45ACP Bolt Assembly

  • Last Round Bolt Hold Open on Empty

  • Your Choice of Contoured .45ACP Barrel Length - 5.5”, 7.5”, 10.5” 

  • Corresponding Quarter Circle 10 Helix M-Lok Handguard

  • Adjustable Buffer System 

  • Enhanced Mil-Spec Trigger

  • Magpul MOE Collapsible Stock

  • Magpul MOE Grip

  • Radian Talon Ambidextrous Safety Selector

  • QC 10 Radian Raptor Ambidextrous Charging Handle

  • Includes (1) .45ACP  13-Round Factory Glock 21 Magazine

  • Includes Carrying Case

  • DOJ Cable Lock Included

  • Quarter Circle parts are designed to work within mil-spec perimeters.  However, for optimum performance we recommend using QC10 parts for all your core elements, (receivers, bolt, barrel and adjustable buffer system). 

  • Made for- Not Modified.  Every QC10 product is engineered specifically for pistol caliber ammunition, not modified from an existing platform, increasing functionality, reliability and overall performance. 

All orders containing a complete weapon must be shipped by 2 Day Air to a licensed,  Federal Firearms Dealer(FFL). Please have your FFL email us a copy of their current Firearms license.  Orders cannot be shipped without one. 

Note:  Current lead time for complete guns is 1-3 weeks. 

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More Information
Handguard Length 15", 4.5", 6.5", 9.5"
Thread .578-28
Model / Caliber GLF .45ACP
Lower Receiver Glock Large Frame
Caliber .45 ACP