Rider (CLT9MM) Complete Lower W/ SB A3 Brace

Out of stock


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.

A tough PCC complete lower 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.

  • Engineered for Metalform Colt 9mm SMG Magazines
  • SB Tactical A3 Brace
  • Milspec Receiver Extension (Buffer Tube)
  • Mil-spec Lower Parts Kit
  • Enhanced Mil-spec Fire Control Group
  • Magpul MOE grip
  • Radian Talon Ambidextrous Safety
  • QC10 Adjustable Pistol Caliber Buffer System
  • Springco XP (Red) AR-15 Buffer Spring
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