9MM Universal Bolt Assembly
Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. 9MM Universal Bolt Assembly
Shipping & Returns
Shipping: All orders are shipped within 72 hours Monday -Thursday 6am - 4pm Arizona Time.
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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Advanced blowback design
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Manufactured to function reliably with any QC10 9mm platform. Glock, Sig226, MP5, and CLT9MM magazines supported.
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Drop-in Installation
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8620 Steel Bolt
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QPQ Nitride treated for maximum durability and wear resistance.
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Heavy Duty Extractor
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Removable mass
| Color | Black |
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