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Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. .45 ACP Glock Style Bolt Assembly
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.
Advanced Blowback Design
Engineered to function specifically with Glock .45 ACP magazines and ammunition.
Patented bolt face and extractor geometry for optimum performance and reliability.
Heat Treated 8620 Steel Bolt
Hard Chrome Firing Pin
QPQ Nitride treated for maximum durability and wear resistance.
Heavy Duty Dedicated .45ACP Extractor
Removable Bolt Mass
Threaded Extractor Retaining Pin
15 oz. Assembled Weight
Quarter Circle parts are designed to work within mil-spec perimeters. However, for optimum performance we recommend 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.
|Model / Caliber||GLF .45ACP|