this post was submitted on 04 Nov 2025
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I see mac-11 uppers for sale at:

  1. Aves
  2. Parts Dispensed
  3. JC Arms
  4. MasterPiece Arms

Since MPA only has the side charging upper immediately available, can I purchase a side charging bolt from another vendor ? I'm guessing MAC-11 is a specification as well, so parts should be interchangeable.
If not, whats the opinion of the complete uppers from Aves ?

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[–] pv2025 1 points 2 weeks ago

re: 8mm x 20mm Spring - Die Cut

is this the same as the yellow ender spring ?