Quarter Circle 10

QC10 Upper Receiver

$200.00

Product Description

Quarter Circle 10, THE AR Pistol Caliber BRAND.

Leader in top of the line, dedicated AR15 Pistol Caliber parts.

MUR Upper Receiver

Designed specifically for pistol-caliber AR builds in conjunction with VLTOR
Mil-Spec construction
Thicker receiver wall for increased rigidity and strength in blowback operation
Widened ejection port for large pistol caliber pistol cases
Made For the AR Platform- Not Modified
11.5 oz stripped weight

*This product is not compatible with DI gas systems or rifle-caliber bolts

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