r/AR15Tutorials
7k members
r/AR15Tutorials is a subreddit with 7k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses ar15, build, ar 15, help, and upper receiver.
Everything you need to know about your modern musket. We delve into the anatomy, purpose, building, use and modification of America's favorite rifle.
Popular Themes in r/AR15Tutorials
#1
Advice Requests
: "The most detailed how-to guide on AR building."
32 posts
#2
Solution Requests
: "NEED HELP!!! I was putting my upper back on my lower reserve and when I cocked it this pin fell out of the mag well. Any ideas where it goes?"
4 posts
Popular Topics in r/AR15Tutorials
#1
Ar15
: "How to Field Strip an Ar15 for beginners👌"
21 posts
#2
Build
: "Having Issues on my First Build"
15 posts
#3
Ar 15
: "NEED HELP!!! I was putting my upper back on my lower reserve and when I cocked it this pin fell out of the mag well. Any ideas where it goes?"
14 posts
#4
Help
: "FRT Issues - Help?"
8 posts
#5
Upper Receiver
: "Upper Receiver Caliber"
6 posts
#6
Gas Block
: "Never worked with a Gas Block with what looks to be a pin. I have removed the set screws. Just knock this out? if I’m assuming correctly."
5 posts
#7
Trigger
: "I made a post about occasional failure to fire, it was determing new Trigger group, well When taking the Trigger out to make sure the disconnecter spring was seated right, i found this tiny piece of thin foam underneath the back of Trigger, could this tiny piece of foam be the cause of my problems?"
5 posts
#8
Upper
: "Multiple Uppers"
4 posts
#9
Lower Receiver
: "How to Build an AR-15 Lower Receiver"
3 posts
#10
Lower
: "FYI Frontier Tactical Lowers do not match FDE anything...what to do now? Paint job?"
3 posts
Member Growth in r/AR15Tutorials
Yearly
+375 members(5.8%)
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Last updated: June 7, 2026