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Unfortunately, the following product is currently unavailable through Rainier Arms.

MVB Industries .45ACP Pistol Kit for AR-15 Upper Receiver (Rainier Arms Exclusive)

AR-15 Complete Upper Receiver

Rainier Arms Exclusive

This kit includes everything needed to convert your existing AR-15 Lower receiver into a 45 ACP pistol

Kit includes:

  • MVB6002 Complete 45 ACP Upper Assembly
  • MVB5001-10  Adaptor with H&K 10 rd mag
More Information
Product Type AR-15 Complete Upper Receiver
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