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Bootleg Inc Lightweight Upper Receiver for DI Builds


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Bootleg Inc is a sister company to Primary Weapons Systems, and offers a line of products specific to direct impingement AR-15 owners and builders. While PWS is the best in the business for piston system rifles and parts, we felt like DI rifle owners were missing out on the innovation and advancements that are changing the industry day by day which is why we formed Bootleg Inc.

Check out Bootleg Inc here.


The Bootleg upper receiver is machined from 7075 aluminum and mil spec hard anodized. It features a lightweight design and upgraded features to start your build off right.

  • Machined from forged 7075 Aluminum
  • Mil Spec Hard Anodizing
  • Forward assist eliminated for weight saving and reduced snag risk
  • Lightweight design 6.2 oz stripped (.8 oz lighter than a mil spec upper receiver)
  • 1.7 oz lighter than a mil spec upper receiver with hardware installed
  • Captured dust cover door pin eliminating the need for the E clip
  • Increased barrel mounting circumference maintaining a solid barrel / receiver interface
  • Interference fit barrel extension interface for increased accuracy


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