this post was submitted on 04 Nov 2025
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PWC9 Upper (self.general)
submitted 1 month ago by pv2025 to c/general
9 comments fedilink hide all child comments
 

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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[–] notsuspekt 4 points 1 month ago (1 children)

I had issues with my aves upper, but I don't think the issue was the upper at all, just the printed feed ramp on the glock mag db9 lower.

The aves upper fires good, but mac uppers don't contain the feeding mechanism so your mileage may vary depending on the build. I'm not familiar with how the pwc9 feeds.

[–] pv2025 2 points 1 month ago* (last edited 1 month ago) (1 children)

Thanks for your input. In looking closer, I may just go with JC Arms build(8inch). In looking at the PWC-9 README, I dont see any reference to the feed ramp. Maybe @nightalliance@forum.guncadindex.com will chime in.

[–] nightalliance 6 points 1 month ago (1 children)

There is no feed ramp. MPA has bolts available. JC Arms feels the best tbh but I like left side charging. My upper is some old maf chimes rn.

[–] nightalliance 6 points 1 month ago (1 children)

We made different height mag releases to lock the mag up in the right spot for it to feed nicely. Some need more or less. Mine needed +.25. That, in conjunction with the location of the mag, allowed the timing to work properly without a feed ramp.

[–] pv2025 3 points 1 month ago (1 children)

all good to know.. ill be back in touch once i start the build. eta 1-1.5wks just wanted to get some feedback first before deciding if the build is currently worth it or not.. in the sense of not too many tweaks are needed to get the thing to work.

i already have two unseen builds complete in the past 7 days..

  1. r3
  2. r45

so anything he releases im on it..

thanks!

[–] nightalliance 8 points 1 month ago (1 children)

Just do it bruh

[–] pv2025 4 points 1 month ago

yeah... im already there.. debating if i should pick up a second upper.. already have one in flight.