r/polymer80
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Welcome to the first Polymer80 subreddit, and the largest community of builders. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms.

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HELP! FIRST BUILD ADVICE PF940v2, PF9SS HELP IM DUMB Be gentle - its my first time Family Photo THE STRUGGLE IS REAL PUBLIC SERVICE ANNOUNCEMENT 80% NEWS & LEGISLATION QUALITY SHITPOST QUALITY CONTENT
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Preview thumbnail for SCT 48 build image
in r/polymer80
SCT 48 build
Preview thumbnail for SCT43SC frame image
in r/polymer80
SCT43SC frame
Preview thumbnail for 3D printed bench block image
in r/polymer80
3D printed bench block
Preview thumbnail for Brownells G48 windowed slide image
in r/polymer80
Brownells G48 windowed slide
Preview thumbnail for New build only my second image
in r/polymer80
New build only my second
in r/polymer80
Us patriot Armory
Preview thumbnail for RMR image
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RMR
Preview thumbnail for 76% Bridge image
in r/polymer80
76% Bridge
Preview thumbnail for Update to last post: absolutely BUTCHERED top pin but they all went in fine eventually… image
in r/polymer80
Update to last post: absolutely BUTCHERED top pin but they all went in fine eventually…
Preview thumbnail for Front block out of spec? image
in r/polymer80
Front block out of spec?
in r/polymer80
Common rail alignment issues?
Preview thumbnail for Tools for my 76% image
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Tools for my 76%
Preview thumbnail for Any better options before I pull the trigger? (lol) image
in r/polymer80
Any better options before I pull the trigger? (lol)
Preview thumbnail for P80 bridge frame image
in r/polymer80
P80 bridge frame
Preview thumbnail for Fresh build image
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Fresh build
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Milling?
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40 cal mag causes weird sound
Preview thumbnail for G48 image
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G48
Preview thumbnail for Anyone have experience with rit dye? Ive used for a few frames and it did fine, this was supposed to go from white to black but i got this instead and im not feeling it… Looks purple in direct light image
in r/polymer80
Anyone have experience with rit dye? Ive used for a few frames and it did fine, this was supposed to go from white to black but i got this instead and im not feeling it… Looks purple in direct light
Preview thumbnail for Good site? image
in r/polymer80
Good site?
in r/polymer80
Anyone know where to find black or dark colored pf940c fram and jig?
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Mup 1
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Files outside of the US
HELP!
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I am building a g26 for my first build
in r/polymer80
Mag sites?