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<p>We think the standard A3 upper receiver is pretty good, and hard to improve on (cosmetics don't count). </p><p><br></p><p>For URF-F (Upper Receiver, FCD, Forged), there is but a single functional change we wanted which differs from the TDP spec forged upper receiver. Specifically, URF-F has relief cuts/chamfers on the area above the charging handle (before 1913 rails start) for better accessibility of a flip up BUIS's sight stalk / flip up element. In 2023, we also added another bevel in the rear.</p><p> NOTE: there is an overlap of the Centurion Arms made URF-F and 2023 late summer version. The major difference is the presence of anti-rotation pin hole for the latest URF-F for HDSI, SOLGW and ZEV handguards. Centurion Arms made URF-F uppers do not have the pin hole.</p><p><br></p><p>URF-F is based on TDP spec forged upper receiver, it's made and modified for Forward Controls. Type 3 hard coated in black. Like TDP spec A3 upper receivers, URF-F can accommodate a forward assist, but does not come installed with one.</p><p><br></p><p><strong>Features</strong></p><p>Machined from aluminum Forgings 7075-T6</p><p>Hardcoat Anodized per MIL-A-8625F, Type III, Class 2</p><p>M16/Auto Pocket</p><p>URF-F does not require thermal fit, and dos not have rail numbers (otherwise known as T numbers) on top, two features we don't deem useful.</p><p>Like all FCD products, URF-F is proudly made in USA.</p>
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This product can potentially expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - www.P65Warnings.ca.gov
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This product can expose you to Nickel Acetate, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov
WARNING:
Lithium-ion Batteries and/or products that contain Lithium-ion Batteries can expose you to chemicals including cobalt lithium nickel oxide, and nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - www.P65Warnings.ca.gov
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