Description

RTB 9mm / 22LR Slick Side Upper Receiver This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is finished in Graphite Black Cerakote. It meets military specifications and comes in a slick side configuration

MPN#: RTB-PCC-M4

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Comments (2)

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I’ve had nothing but problems with my PCC upper from RTB.

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Here's one for $35 - https://www.gorillamachining.com/Gorilla-Machining--M4A4-Anchor-Harvey-P...

Looks to be the same exact upper.

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