Using heat to thermal fit and bed a Faxon match grade barrel with bearing retaining compound into an Aero Precision Mil-Spec AR-15 Upper Receiver.
If you’d like to support this work, please like, comment, subscribe, and share the video, and if you’d like to do more, please consider a gift though the Amazon Wish List, here:
Note to readers: Please click the share buttons above or below. Forward this article to your email lists. Crosspost on your blog site, social media, internet forums. etc.
what degreaser and retaining compound do you reccomend?
Ignore the ignorant folks, I prefer to take my time when smithing and do things correctly while understanding everything involved with the process. After 50 years, I am still learning tips and tricks. I would rather spend 2-3 hours installing a barrel instead of removing material to make it slide in easy or beating in on with a mallet. I did freeze a barrel once years ago but had to remove it a year later for some work and found a ton of corrosion on the barrel, and it was winter in MN with very low humidity but still, there it was. Thanks and I wish you did more videos.
Is the retaining compound necessary when you have an interference fit?
Do you ever heat up the barrel nut for installation? Seems a hot barrel nut torqued to spec and then allowed to cool would make an even tigher connection.
Chad is that you?
There's no point in bedding the barrel, especially with a liquid. You squeeze all that stuff between the face of the receiver & barrel. All you need to do is Lap the receiver to have the barrel trued to the receiver. Torquing the barrel nut will take care of the rest.
I trust School of the American Rifle more than these nobodies providing no valid criticisms. Good work.
If you can slide that barrel on without heat or cooling, its no interference fit. Anybody who says otherwise isnt any real type of machinist.
Good video. Seems most neg comments didn't understand why
What is the critical temp, if you don’t mind me asking?
If you can rotate the receiver and get it to slide up like that, it is not an interference fit at all to start with.
Good work. Ignore the peanut gallery.
All that nonsense is not needed😂 slide the receiver onto the barrel extension and lock it down😂😂😂😂😂don’t know why you people make such a complicated deal over such a simple process 😂😂😂😂😂
SOLGW who also has thermal fit upper just did a video a few months back saying they don't have time for hair dryer or torches and to just beat it on carefully with mallet being you put muzzle end on something "softer than the barrel" their words. I've done exactly the way displayed with the 5 or 6 rotations under the heat and installed first few uppers I placed barrel in freezer. But that ends up creating more steps for the prep
To each their own. Wtf
You can also put the barrel in the freezer
Buy a better upper and theres no need to bed it
Simple to the point thank you!