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.
A tough PCC made for Colt SMG 9mm magazines. With traditional looks the Rider is a favorite of competition shooters and those who want to celebrate American design in its entirety. QC10 delivers the shooter a premium product and a connection to the USA that others simply do not have.
Mil-Spec Lower parts
Tested Buffer Tube, Spring and Weight and Magpul MOE Collapsible Stock
Milled billet 7075-T6 Aluminum Lower Receiver
QC10 Milled billet 7075-T6 Aluminum Rear Charging Upper Receiver
Type III Hard Coat Anodizing
Made For The AR Platform- Not Modified
16 Inch Barrel & Matching MLOK handguard
Endless customization options
Test fired before it leaves the factory
Includes Carrying Case
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 pistol 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.