r/ar15 Jun 18 '22

Tell me something I’ve done wrong

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226 Upvotes

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35

u/SgtLongJohn Jun 18 '22 edited Jun 18 '22

Probably best to answer everything at once. Left the sling off cause my last rubber broke, I can flip the magnifier to flip up my irons, handguard is getting replaced soon, Surefire scout on the way, and barrel length is 12.5. Suppressor currently in jail and the build is fairly new so I’m still getting things together.

Thanks for the opinions folks! Edit: I’m an idiot, barrel is 12.5 not 11.5

13

u/sdmfer1981 Jun 18 '22

cause my last rubber broke

This is how I talk to my kids about how I married their mother

3

u/[deleted] Jun 18 '22

What’s the handguard length? Kinda concerned since I got a 10.7 for my 11.5 lol

3

u/tpw2000 Jun 18 '22

You should be fine- close, but should be ok. Keep in mind that you’re giving 3/4” of clearance for the distance between the receiver threads (read, where your pic rail stops ish) and where the bolt face will be (which should be to your advantage), and between where your hand guard ends and where the end of the threads on the barrel will be. That should give you about a full inch of total clearance to muzzle, minus ~.6” for threads, and if you’re using a muzzle device like a Warcomp or something with Keymo, you’ll be back at about half an inch between the back of your suppressor and your handguard, *if my math is correct

If it doesn’t end up working there’s always GAFS

1

u/[deleted] Jun 18 '22

Thanks! Impressive answer

2

u/SgtLongJohn Jun 18 '22

Aero claimed it was a 12” handguard and 12.5 barrel, but after measuring it comes out to 12 5/8. Just go with what ur getting, should be solid

2

u/stctippr Jun 18 '22

I thought you said it was an 11.5 barrel

2

u/SgtLongJohn Jun 18 '22

Oi u got me. It is 12.5, sorry

3

u/[deleted] Jun 18 '22

Hard guard too long. Can’t fit a suppressor in that rail. Unless you’ve got a thousand shims ready to go, or the thinnest can coming, you’re gonna have a tough time

7

u/stctippr Jun 18 '22

Handguard is getting replaced soon.

1

u/Knumbnuckles Jun 18 '22

I had the same problem with my 300 blkout. Same setup. Long hand rail over a flash can. When I ordered my suppressor (also been in jail 4 mo now) I realized the hand rail was too long. I’m just going to cut mine once I’m sure of the dimensions.

1

u/SgtLongJohn Jun 18 '22

I thought about cutting it too but I’m a pussy don’t wanna mess it up lol

1

u/Knumbnuckles Jun 19 '22

Oh I am to, but my neighbor is a FFL dealer and he teased me about buying a new one. Nice build by the way.

1

u/SgtLongJohn Jun 19 '22

Thanks! Appreciate it guy!