Quarter Circle 10 Glock Small Frame Lower 9mm

QUARTER CIRCLE 10 , THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. Glock Small Frame Lower Receiver.

• QC10 Glock Small Frame Lower Receiver with Proprietary Parts (Ejector, Mag Catch and LRBHO Assembly)
• Engineered for 9mm, .40 S&W & .357 SIG GLOCK® Magazines
• Last Round Bolt Hold Open on Empty
• Billet 7075-T6 Aluminum
• Accepts Glock Cut  9MM Bolt Assembly
• Type III Hard Coat Anodizing
• Accepts Mil-spec Pistol/Carbine Buffer Tube
• Threaded Bolt Catch Pin
• 12 oz stripped weight

Quarter Circle 10  parts are designed to work within mil-spec perimeters.  However, for optimum performance QC10 recommends 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.