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What is the difference between this product (upc 812526022448) and this other BCM upper receiver (upc 855877004442)? They look the same — 1 Answer

by Ben, from TN, United States Asked on May 4, 2021

Name Bravo Company Mfg Bcm Upper Receiver Assembly Mk2 Ar15 Bcg Not Included
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Answered by Nick B., Gear Expert, from IL, United States, on October 08, 2021

This is the MK2 version from Bravo Company Manufacturing, it is built with up to 30% more rigidity than the current Mil-Spec M4 upper receiver, like the UPC: 855877004442

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Last updated 2026-04-13 UTC.