Please be aware that all orders are currently on backorder delay until March 2021. Contact Info@quartercircle10.com with any questions.
Quarter Circle 10 - The AR15 Pistol Caliber BRAND - Billet Rear Charging Upper Receiver
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.
Designed and milled in-house specifically for pistol-caliber AR builds
7075 Billet Construction
Widened ejection port for large pistol caliber pistol cases
Made For the AR Platform- Not Modified
7.54 oz stripped weight
*This product is not compatible with DI gas systems or rifle-caliber bolts
BARREL LENGTH | 3.5 INCH |
---|---|
Size | Large |