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it is recommended by me to print in pa6cf or equivalent higher temp rating, for longevity. this is a buffer tube insert for 9mm size. I've only tested this less than a mag. it does need work, blast chamber size or baffle chamber size maybe. i print my baffle inserts in pa6cf for high temp resistance, as the buffer tube will hold/conduct more heat and possibly deform pla. print settings i use are just your average for 2a items.
LBRY Tags: 3d2a; 9mm; hush can