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  • Ensambled an upper and lower receiver

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    in Long Gun
  • Can I assemble an anderson brand lower for AR-15 with an upper from another brand? Are these Anderson lower receivers compatible with upper from other brands?

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    by - Lifetime Points: 60776 Chosen as Best Answer
  • Karimar, yes Sir. This is a mil-spec lower and will fit the vast majority of manufacturer uppers without issue. A few may require a gap plug if the upper to lower fit is loose :

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  • Yes, you can use another brand assembled upper or build/assemble your own upper, and it will be compatible with this lower.

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    by - Lifetime Points: 1852
  • YES, your Anderson lower will fit an upper from any brand. BUT, fit will vary between different manufacturers...some are really hard to get it to fit together. I hope this helps!

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