Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-PU
$600.00
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Description
Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on their...
