Due the quantity of inventory sold during Black Friday/Cyber Monday, order fulfillment may be delayed up to two weeks.
Frequently Asked Questions
The Model is either going to be “GSF”, “GLF”, or “CLT9MM.”
The Serial Number will be “GSF #####”, “GLF #####”, or “CLT9MM #####” exactly as shown, no dashes, with space.
Any standard lower parts kit will work fine in our lowers.
If you like us on Facebook we will post when we list new stock on our website. We are running at full capacity to get lowers ready to ship.
We are not currently allowing back orders. We are working at full capacity to keep a steady flow of inventory available for customer orders.
Please note: your order for any of our lowers REQUIRES an FFL. Please email or fax your FFL license to us as immediately as possible once you place an order. We do not contact the FFL for you – when you make the arrangements for the transfer be sure to have your FFL send a copy of their license with each order you place. Please do not assume that an FFL is “on file” already with us.
Quarter Circle 10 Blemished Lower Receivers may have one or more minor cosmetic defects including, but not limited to dents, scratches, dings, discolorations or any other aesthetic imperfection, none of which affect functionality or performance. Quarter Circle 10 Blem Receivers maintain the full manufacturer’s guarantee on functionality, but do not include a warranty on the finish.
The feed lips of a Glock style magazine are smaller than the feed lips of the standard Colt style magazines. Single feed vs Double feed. There needs to be material taken off in order for it to feed the rounds into the chamber.
When we ship an order we will ship it USPS priority flat rate. We will send an email notification of shipping with tracking number to the email you have listed under your information.
We do not currently have a build tutorial but here is a great source for putting together a Quarter Circle 10 lower receiver. AR9 Pictorial
Yes, we do ship lowers to California, although we do not install bullet buttons. The CLT9MM model will accept a bullet button as it uses a standard magazine release. The Glock model lowers can be shipped to California with the installation of a Raddlock magazine lock kit; we do not install these either.
If you are using a DDLES style BHO bar (characterized by a hole at the end of the bar that the finger of the bolt catch runs into) we recommend using our revised BHO bar (where it is flat on the end and lifts from under the bolt catch. Bolt Hold Open
If you are using having issues with the QC10 Version please work through the following steps to ensure proper action. If you are still unable to get it running please contact technical support at firstname.lastname@example.org