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

MVB Industries .45ACP Pistol Kit for AR-15 Lower 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: 

  • MVB1001-MP-PCH Micro Pistol Kit with PCH Buffer
  • MVB5001-10 Adaptor with H&K 10 Rd Mag
More Information
Product Type AR-15 Complete Upper Receiver
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