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Complete Side Charging Upper Receiver .45 ACP Assembly
Out of stock
Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. .45 ACP Complete Upper Receiver
From $979.95
To $1,049.95
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.
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Designed specifically for pistol-caliber AR builds
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QC10 Side Charging Upper Receiver
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QC10 Non-reciprocating Charging Handle
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.45ACP QPQ Nitride-Treated Barrel
- Compatible with QC10 Big Tex (GLF) Lower Receiver
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QC10 .45ACP Bolt
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MLOK Handguard
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QC10 Pistol Caliber Flash Hider
- Test-fired at the factory
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Made For the AR Platform- Not Modified
*This product is not compatible with DI gas systems or rifle-caliber bolts.