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A sleeve and shim meant to reduce the movement of an AR-9 barrel in the Urutau.
I recommend printing the sleeve in nylon or some other temperature resistant filament, but PLA should work fine.
Update: Please use this if you don't want your barrel to rotate: https://odysee.com/@ketcham1009:1/Urutau-AR-9-Upper:b
v1.1 - Fixed bad geometry on the upper receiver side
LBRY Tags: ar-9; 3dprinting; ketcham1009; fosscad; urutau
I recommend printing the sleeve in nylon or some other temperature resistant filament, but PLA should work fine.
Update: Please use this if you don't want your barrel to rotate: https://odysee.com/@ketcham1009:1/Urutau-AR-9-Upper:b
v1.1 - Fixed bad geometry on the upper receiver side
LBRY Tags: ar-9; 3dprinting; ketcham1009; fosscad; urutau