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1/25/2018 7:38:29 AM
Posted: 10/30/2003 2:08:20 PM EST
Hi there, everyone.
Is it normal to have a small amount of play between the barrel and the upper receiver? I have a Rock River Hbar upper and noticed a small amount of play when cleaning. I removed the upper from the lower and removed the hand guards. I notice this If I grasp the front sight with one hand and the upper receiver with the other and twist the upper a bit back and forth. I know that this can be expected in the hand guards and between the upper and lower receivers.

Link Posted: 10/30/2003 2:28:01 PM EST
[Last Edit: 10/30/2003 2:32:59 PM EST by _DR]
Is it normal to have a small amount of play between the barrel and the upper receiver?
View Quote
No. The barrel should be tight in the upper receiver. Do not pass go, do not collect $200, go straight to a gunsmith.
Link Posted: 10/30/2003 2:29:56 PM EST
any advice?
Link Posted: 10/30/2003 2:32:25 PM EST
Nope, not at all, before you shoot it again, have it checked out by a good AR smith. This is a dangerous situation.
Link Posted: 10/30/2003 2:56:29 PM EST
Any ARsmiths in Indiana? What could have caused this? I had read that Rock River was known for being overly tight?
Link Posted: 10/30/2003 3:02:29 PM EST
Is your barrel nut tight?
Link Posted: 10/30/2003 3:12:33 PM EST
newbie here.... how can I tell?
Link Posted: 10/30/2003 3:22:08 PM EST
It feels a bit loose, but the gas tube lokos as if it's be in the way if I tried to tighten it. Is it easy to remove the gass tube and tighen it with a barrel nut wrench? Or is this best left to a gunsmith?
Link Posted: 10/30/2003 6:52:15 PM EST
Go gunsmith the barrel needs to be tourqed to a certain amount of pressure.It is definately loose.Let a good smith do it.
Link Posted: 10/30/2003 6:53:41 PM EST
You'd have to buy some tools and a receiver block. You might post this question over on the build it yourself forum, there was also a thread on how to change out barrels that might be useful to you: [url]http://www.ar15.com/forums/topic.html?b=3&f=4&t=173151[/url]
Link Posted: 10/31/2003 3:34:06 AM EST
Thank for all of the advice. I'll take it to a smith and post his findings. I don't know what I'd do with out this board... besides remove broken receiver shards from my face.
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