Another new guy with first questions.
Posted 02 May 2020 - 03:25 PM
I have two questions for you: first I was wondering how much bolt to carrier and bolt pin to box cam clearance works best for this design in the experience of those who have completed one? The fact that the designer originally had the pins at zero clearance and opened it up to .0125 in later drawings lead me to believe a little more carrier to bolt clearance might be better as well but I don’t want to risk scrapping the bolt bodies finding out the print clearance of about .002-.003 is ideal.
Second, I noticed there is no latching mechanism of any kind for the magazine base which struck me as being odd. What have others been doing to keep the base from flopping around?
Thanks for the help,
Posted 04 May 2020 - 05:28 AM
Are you referring to the box cam follower pins? The flats on the bolts keep the bolts from rocking side to side so the slot in the carrier is ok a little loose. But the follower pins need to be right on for head space. Mine are .190 diameter for the .200 box cam space width.
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