PolymAR-15 Kit 4 Plus

$644.95

Includes Upper & Lower Receiver (Black), Ejection Port Cover, Pin, & Spring, with X7 Assembly Rod*, NP3 Plus FA Milspec BCG, NP3 Plus MilSpec Lower Receiver Parts with NP3 Plus MilSpec Trigger Assembly.

*You must use the X7 Assembly Tool to install your barrel and flash hider to keep your warranty in tact.

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