3D Printed upper receiver for Ruger MK4.

Recommended ejector: TacSol Metal Ejector of Ruger MK
All other information: See ReadMe

Contact Info:
Instagram: @ghostofebenezermudgett
Email: [email protected]

RECOMMENDED TOOLS:

22LR CHAMBER REAMER (BROWNELLS SKU: 184050010)

OR

APPROPRIATE DRILL BIT (SEE ACWY PROTOBARREL GUIDE)

8MM JOBBER LENGTH DRILL BIT

-- TO CLEAN UP BARREL LINER INTERFACE

-- https://a.co/d/aKnptrr

HARDWARE:

1X 4-40 X 0.25 FLATHEAD

-- ONLY REQUIRED IF 3D PRINTING EJECTOR

-- McMASTER PN: 91781A106 (OR EQUIVELENT)

22LR BARREL LINER

-- 8MM OD

-- SHOULD HAVE EXPERIENCE MAKING 22LR BARRELS

-- REFERENCE EXISITNG TUTORIALS

----- ACWY PROTOBARREL GUIDE

RECOMMENDED PRINT SETTINGS:

-- UPPER ORIENTATION: PRINT FLAT (SEE IMAGES FOLDER)

----- PRINTING AT 45DEG RESULTED IN FAILURE AT BOLT STOP

----- OTHER ORIENTATIONS RESULT IN POOR QUALITY OF CRITIAL    

      FEATURES

-- EJECTOR ORIENTATION: EXPERIMENTATION NEEDED

---- POSSIBLE STRONGEST ORIENTATION IN IMAGES FOLDER

-- PRINT HEIGHT: .16 OR .20

-- FILAMENT: PLA Pro at a minimum

ACKNOWLEDGEMENT:

-- PIXLE SMOKE

-- KILO

-- IMA

-- SPIN360

-- RANDOM FORUM GUY THAT PROVIDED SOME DIMENSIONS