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Rainier Arms

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Receiver Parts

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver

5.0 star rating 1 Review

$550.00 - $625.00

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Gas Block Diameter .750" Remove This Item
Threaded Yes Remove This Item
Thread Pitch 1/2x28 (.22 cal) Remove This Item
Platform AR-15 Remove This Item
Barrel Length 14.5" Remove This Item
Mount M-LOK Remove This Item
Rail Length 11.7" Remove This Item

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