New Upper

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unclered
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Posts: 6
Joined: Sun Feb 28, 2016 9:03 am
.204 Ruger Guns: Savage model 12, AR 24" heavy SS Wilson bbl
Location: Manchester Mi

New Upper

Post by unclered » Thu Nov 09, 2017 5:58 am

Greetings from Manchester Mi, I purchased a 24" hvy ss barreled upper. I always lap a new bbl. As I looked down the pipe I saw a burr. I mean .004 of .005 around the gas port. And the hole seemed to be BIG. I mean 1/8 inch or more. So out to the shop I go, patch the bbl out,& begin to lap it. OH OH, big resistance on that spot. I sent it back. They send me the same upper back, w/ a note cleaned out burr w/ a cleaning rod. Nope. same "feel" same .200" gas port mistake. They claim the 204 hole is .006 bigger than the 5.56 hole. None of my 8 ARs have a visually big gas port hole or a definite sticky spot while running a cleaning rod down it. School me on this 204 gas port. Thanks, Red

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Bill K
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Posts: 1330
Joined: Tue Jan 18, 2011 10:00 am
.204 Ruger Guns: also now, a Savage switch bull barrel in 204R. 23 inch SS
Location: Lake Forest, Ca.

Re: New Upper

Post by Bill K » Fri Nov 10, 2017 7:51 am

Don't know if the 204R would need a larger gas port hole or not, could be to cycle properly. However I would ask the company to take this upper back and either replace it or the barrel, as you just do not want that burr/bad spot in the barrel. Bill K

randyman
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Posts: 82
Joined: Fri Aug 19, 2016 1:04 pm
.204 Ruger Guns: Tikka T3 Hunter and AR in .204
Location: Butte and Lassen counties in Northern Calif.

Re: New Upper

Post by randyman » Fri Nov 10, 2017 11:05 am

I agree, send it back for a refund. Don't think I'd want to shoot a gun with a tight spot in the barrel. I'm not sure if the gas port hole is bigger on my .204 barrel or not but a quick call to Shilen who makes barrels should get you an answer. I used a standard size gas tube and my AR cycles just fine. Randy.

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unclered
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Posts: 6
Joined: Sun Feb 28, 2016 9:03 am
.204 Ruger Guns: Savage model 12, AR 24" heavy SS Wilson bbl
Location: Manchester Mi

Re: New Upper

Post by unclered » Sat Nov 11, 2017 5:06 am

The company I bought it from says .089 for 204, ,082 for 223. One could not see that little diff. I see a HUGE looking hole. I sent it back. They get 1 more shot at it. Then I WILL get a Shilen. Probably should have done it in the first place. Doublestar 24" SS hvy bbl from JT dist...................

randyman
Junior Member
Posts: 82
Joined: Fri Aug 19, 2016 1:04 pm
.204 Ruger Guns: Tikka T3 Hunter and AR in .204
Location: Butte and Lassen counties in Northern Calif.

Re: New Upper

Post by randyman » Sat Nov 11, 2017 5:06 pm

The barrel on my AR is a Shilen 24” SS and I couldn’t be happier.

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unclered
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Posts: 6
Joined: Sun Feb 28, 2016 9:03 am
.204 Ruger Guns: Savage model 12, AR 24" heavy SS Wilson bbl
Location: Manchester Mi

Re: New Upper

Post by unclered » Sat Dec 02, 2017 5:56 am

I got my dbl star 24" hvy SS barrel back(for the 2nd time). Put it on my AA lower w/ Geissele trigger, cheap vortex crossfire scope on it. They cleaned the burr out of it & test fired 20 rds through it.
I grabbed some cheap hunting shack ammo I have & put 20 through it. How about .440" @ 100 yds????. NOW I AM HAPPY. wait till I load for this :-)

randyman
Junior Member
Posts: 82
Joined: Fri Aug 19, 2016 1:04 pm
.204 Ruger Guns: Tikka T3 Hunter and AR in .204
Location: Butte and Lassen counties in Northern Calif.

Re: New Upper

Post by randyman » Sun Dec 03, 2017 9:07 am

My .204 also has an AA lower and upper. I put in a Geissele G2S trigger but have the Vortex Viper scope. Don't know if you put an adjustable gas block on or not but I really like mine. It's adjusted so there's just enough gas to lock the bolt back after the last shot. It shoots great! Randy.

Dan Carey
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Joined: Mon Jan 12, 2015 9:15 am
.204 Ruger Guns: Ruger/CZ
Location: AZ

Re: New Upper

Post by Dan Carey » Thu Dec 07, 2017 9:30 pm

The bur in the barrel at the gas port hole is caused by a dull drill or the guy drilling it had applied too much pressure on the drill. Every shot will wear the edges of the gas hole. At 3 to 4 thousand rounds the gas hole will look like it was made with a rasp and a hammer. The 204 does require a larger gas hole than the 223. You will always be able to feel the hole with a cleaning patch.

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unclered
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Posts: 6
Joined: Sun Feb 28, 2016 9:03 am
.204 Ruger Guns: Savage model 12, AR 24" heavy SS Wilson bbl
Location: Manchester Mi

Re: New Upper

Post by unclered » Fri Dec 15, 2017 5:03 am

thank you Dan. All is well now. 25 rds through the bbl, held .440" @ 100 yds w/ cheap ammo. when the weather is right Ill shoot more. Just ordered an AERO lower. will complete the rifle soon. I love this round. been shooting it for 10 years in my M 12 savage

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