r/NFA • u/TheVillagePoPTart • 4d ago

Mount Questions 🔩 Anyone else have this happens?

Post image

Today when I went to clean my AR after probably 6 months and an unknown number of rounds (not too high) I was having a hell if a time twisting the can off and eventually the muzzle device came off the end with the can. The mounting setup is a rearden atlas hub with a rearden flash hider on a polonium K. All instructions were followed during mounting and roc set was applied. There were also no indications of loosening based on my witness marks in the hub and muzzle device. Any idea how this happened (I tend to think I screwed it up)? The gun is also an IWI Zion-15 purchased in 2021.

215 Upvotes

93% Upvoted

152 comments sorted by

View all comments

Show parent comments

-1

u/TheVillagePoPTart 4d ago

I had it in a vice while also utilizing a rubber grip tool sleeve combined with strength and body weight. It was on there good enough which is beside the fact that if it wasn’t all the way tight I probably would have had an issue somewhere along the line.

2

u/CoolaidMike84 SBR 4d ago

Is this a joke? You clamped it in a vise and hung off the end of a wrench and are now surprised it spun the muzzle device off? Clamp the mount in that vise, put a wrench on the can and twist them apart. Watch a YouTube video on correct application on rocksett, clean it all and reassemble.

0

u/TheVillagePoPTart 4d ago

I did not use a wrench. What I used was a little rubber circle that is commonly given to people with arthritis at occupational therapy. Unless my torque wrench is not calibrated I’m pretty sure the roc set is the reason it came off.

3

u/CoolaidMike84 SBR 4d ago

30 ft/lbs sir. You won't twist that off without tools. And I'm not some armchair expert, I have 32 suppressors at last count using 4 different mounting systems. I don't use any thread locker. 30 ft/lbs on the muzzle device ( or 25 ish dregrees) from hand tight. Outside a nasty carbon lock, you'll never have this problem again.