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AR barrel cut wrong?

Author	Message
Yukonjon Site Supporter Location: Bonney Lake Joined: Tue Dec 2, 2014 Posts: 664 Real Name: Jon	AR barrel cut wrong? Somebody fact check my thoughts make sure I’m not missing anything obvious. I’ll call rainier arms tomorrow but wanted a few ideas prior. Changing barrels on my AR. Not new to this but first time seeing this. I am pretty sure my barrel is cut wrong where the gas block goes. My gas tube extends way too far into the upper. Rainier ultramatch .223 wylde barrel. Calls for rifle gas tube. That’s what I installed. You can see in the pictures how that one is too long but the mid length is too short. Rifle tube measures at 15. Mid length tube is 11.5ish. Gas block sits flush and that shoulder measures about 11in to upper. Is my barrel cut wrong? Last edited by Yukonjon on Thu Dec 28, 2023 6:05 pm, edited 1 time in total.
Thu Dec 28, 2023 3:57 pm

dreadi Site Supporter / FFL Dealer Location: Tacoma, Washington Joined: Fri Nov 21, 2014 Posts: 8384	Re: AR barrel cut wrong? What’s the distance from the gas port to the barrel extension shoulder? BLACK HAMMER ARMS 07/02 NFA Dealer http://www.blackhammerarms.com http://www.facebook.com/blackhammerarms https://www.instagram.com/blackhammerarms _________________ BLACK HAMMER ARMS Buy A Suppressor http://www.silencershop.com/blackhammerarms Type 7 Class 2 SOT NFA Dealer 1911 Pistolsmithing Firearm Refinishing GLOCK Certified Armorer CMMG Authorized Dealer NEMO Arms Authorized Dealer http://www.blackhammerarms.com http://www.facebook.com/blackhammerarms https://www.instagram.com/blackhammerarms/
Thu Dec 28, 2023 5:29 pm

chevytruckman Site Supporter Location: Puyallup Joined: Fri Aug 12, 2011 Posts: 4996 Real Name: Sean	Re: AR barrel cut wrong? Interesting Sent from my iPhone using Tapatalk _________________ smfh
Thu Dec 28, 2023 5:33 pm

jukk0u Site Supporter Location: Lynnwood and at large Joined: Wed May 1, 2013 Posts: 21317 Real Name: Vick Lagina	Re: AR barrel cut wrong? Does any of this help? _________________ “Finding ‘common ground’ with the thinking of evil men is a fool’s errand” ~ Herschel Smith "The ~~said~~ Constitution shall never be construed to authorize Congress to prevent the people of the United States who are peaceable citizens from keeping their own arms." ~ Samuel Adams “A return to First Principles in a Republic is sometimes caused by simple virtues of a single man. His good example has such an influence that the good men strive to imitate him, and the wicked are ashamed to lead a life so contrary to his example. Before all else, be armed!” ~ Niccolo Machiavelli Láodòng zhèng zhūwèi zìyóu FJB
Thu Dec 28, 2023 5:42 pm

Yukonjon Site Supporter Location: Bonney Lake Joined: Tue Dec 2, 2014 Posts: 664 Real Name: Jon	Re: AR barrel cut wrong? dreadi wrote: What’s the distance from the gas port to the barrel extension shoulder? BLACK HAMMER ARMS 07/02 NFA Dealer http://www.blackhammerarms.com http://www.facebook.com/blackhammerarms https://www.instagram.com/blackhammerarms 11.25
Thu Dec 28, 2023 6:10 pm

Yukonjon Site Supporter Location: Bonney Lake Joined: Tue Dec 2, 2014 Posts: 664 Real Name: Jon	Re: AR barrel cut wrong? jukk0u wrote: Does any of this help? Thanks! I should have known those dimensions were somewhere. My rifle is 11.25 from gas shoulder to upper. Apparently this is about an inch short. Story of my life. WTF Hopefully Rainer can help fix this.
Thu Dec 28, 2023 6:12 pm

jukk0u Site Supporter Location: Lynnwood and at large Joined: Wed May 1, 2013 Posts: 21317 Real Name: Vick Lagina	Re: AR barrel cut wrong? Tell us what RA says? _________________ “Finding ‘common ground’ with the thinking of evil men is a fool’s errand” ~ Herschel Smith "The ~~said~~ Constitution shall never be construed to authorize Congress to prevent the people of the United States who are peaceable citizens from keeping their own arms." ~ Samuel Adams “A return to First Principles in a Republic is sometimes caused by simple virtues of a single man. His good example has such an influence that the good men strive to imitate him, and the wicked are ashamed to lead a life so contrary to his example. Before all else, be armed!” ~ Niccolo Machiavelli Láodòng zhèng zhūwèi zìyóu FJB
Thu Dec 28, 2023 6:57 pm

ViniVidivici Location: Puyallup Joined: Tue Sep 18, 2018 Posts: 3087	Re: AR barrel cut wrong? Yeah I'm interested as well. Going by the info Juk posted, and your measurements, it DOES sound like your barrel is made wrong. _________________ I'm a Morlock, in a land of Eloi...
Fri Dec 29, 2023 8:34 am

jukk0u Site Supporter Location: Lynnwood and at large Joined: Wed May 1, 2013 Posts: 21317 Real Name: Vick Lagina	Re: AR barrel cut wrong? I think I'd double check that the gas tube wasn't cut long. _________________ “Finding ‘common ground’ with the thinking of evil men is a fool’s errand” ~ Herschel Smith "The ~~said~~ Constitution shall never be construed to authorize Congress to prevent the people of the United States who are peaceable citizens from keeping their own arms." ~ Samuel Adams “A return to First Principles in a Republic is sometimes caused by simple virtues of a single man. His good example has such an influence that the good men strive to imitate him, and the wicked are ashamed to lead a life so contrary to his example. Before all else, be armed!” ~ Niccolo Machiavelli Láodòng zhèng zhūwèi zìyóu FJB
Fri Dec 29, 2023 8:37 am

chevytruckman Site Supporter Location: Puyallup Joined: Fri Aug 12, 2011 Posts: 4996 Real Name: Sean	Re: AR barrel cut wrong? jukk0u wrote: I think I'd double check that the gas tube wasn't cut long. This is what I was thinking… Sent from my iPhone using Tapatalk _________________ smfh
Fri Dec 29, 2023 8:42 am

tannardog Site Supporter Location: Monroe Joined: Mon Jul 25, 2011 Posts: 1563 Real Name: Ty	Re: AR barrel cut wrong? There is also a rifle length gas tube that is longer than a standard rifle length tube. I cannot quote the dimensions but it is in use on Wilson Combat AR10 uppers, it is slightly longer than a milspec rifle length tube. I ran into this when putting an AR10 together. I ordered a rifle length tube and it was too short, found out my upper was "Wilson" spec. . https://wilsoncombat.com/gas-tube-rifle ... ar-10.html Rifle Length - AR-10/LR308/SR25 Mil-spec stainless tube Length: 15.5" Tube only Does not fit AR-15 rifles I wonder if you accidentally got one of these?
Fri Dec 29, 2023 9:34 am

Albroswift Location: SEATTLE Joined: Sat May 14, 2022 Posts: 66 Real Name: Al	Re: AR barrel cut wrong? White Oak Armament will make you one any length. Used them before I started making my own. Says backordered, might call and ask. https://www.whiteoakarmament.com/white- ... -tube.html
Fri Dec 29, 2023 1:28 pm

dreadi Site Supporter / FFL Dealer Location: Tacoma, Washington Joined: Fri Nov 21, 2014 Posts: 8384	Re: AR barrel cut wrong? jukk0u wrote: I think I'd double check that the gas tube wasn't cut long. Me three BLACK HAMMER ARMS 07/02 NFA Dealer http://www.blackhammerarms.com http://www.facebook.com/blackhammerarms https://www.instagram.com/blackhammerarms _________________ BLACK HAMMER ARMS Buy A Suppressor http://www.silencershop.com/blackhammerarms Type 7 Class 2 SOT NFA Dealer 1911 Pistolsmithing Firearm Refinishing GLOCK Certified Armorer CMMG Authorized Dealer NEMO Arms Authorized Dealer http://www.blackhammerarms.com http://www.facebook.com/blackhammerarms https://www.instagram.com/blackhammerarms/
Fri Dec 29, 2023 2:56 pm

Yukonjon Site Supporter Location: Bonney Lake Joined: Tue Dec 2, 2014 Posts: 664 Real Name: Jon	Re: AR barrel cut wrong? Gas tube is correct for rifle. That what I was hoping for originally for the easy fix.
Fri Dec 29, 2023 3:41 pm

Yukonjon Site Supporter Location: Bonney Lake Joined: Tue Dec 2, 2014 Posts: 664 Real Name: Jon	AR barrel cut wrong? tannardog wrote: There is also a rifle length gas tube that is longer than a standard rifle length tube. I cannot quote the dimensions but it is in use on Wilson Combat AR10 uppers, it is slightly longer than a milspec rifle length tube. I ran into this when putting an AR10 together. I ordered a rifle length tube and it was too short, found out my upper was "Wilson" spec. . https://wilsoncombat.com/gas-tube-rifle ... ar-10.html Rifle Length - AR-10/LR308/SR25 Mil-spec stainless tube Length: 15.5" Tube only Does not fit AR-15 rifles I wonder if you accidentally got one of these? This led me in the right direction. I learned something new today. There exists an “intermediate” gas tube length for this application. 13.25in between a rifle and mid length. WTF. https://wilsoncombat.com/gas-tube-inter ... ength.html I was doubting that Rainier Arms cut a barrel wrong on a premium barrel but that’s what I was thinking until now.
Fri Dec 29, 2023 4:30 pm

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