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Posted: 8/6/2012 3:35:49 PM
Originally Posted By trkarl: Just feed it the ammo it's designed for and keep it lubed up real good, and it will be GTG. Originally Posted By meanbeanmax: I am happy with my Costa OBR purchase and would have liked it if its maiden outting had been problem free but alas we don't always get what we want. I only hope that me posting about my experience serves to help someone else avoid the same issue. Happy shooting everyone. Well I for one am certainly glad you posted this as I am learning a whole hell of a lot just off this thread that I didn't know. I'm a noob when it comes to AR's and don't know much how they work but now found out it's a lot more than just putting a round in and pulling the trigger. I know now I need to do a lot of reading about the gas systems and buffer springs and such. According to one of your flamers I shouldn't have ordered a tOBR because I don't know enough to drop 3k on a rifle. Don't let them get you down. Thanks again for posting as I am learning a lot from this thread. pg6 |
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Posted: 8/6/2012 4:15:51 PM
Originally Posted By AR_Tech: Straight from the ar15.com ammo oracle, "There is, of course, an exception: if you want to use loads utilizing the heavier, 75-77 grain match bullets currently used by Spec-Ops troops and other selected shooters, you'll want a 1:7 twist barrel." But I guess some guy from the coasties knows better. Thanks for bringing that to my attention. When I wrote that, there wasn't a lot of emphasis on 1:8 barrels. When people asked "how fast?", it generally was either 1:9 or 1:7. Therefore, I put in 1:7. Realistically, it should say "1:8 or faster". |
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Posted: 8/6/2012 5:08:52 PM
Originally Posted By Zhukov:
Originally Posted By AR_Tech:
Straight from the ar15.com ammo oracle, "There is, of course, an exception: if you want to use loads utilizing the heavier, 75-77 grain match bullets currently used by Spec-Ops troops and other selected shooters, you'll want a 1:7 twist barrel." But I guess some guy from the coasties knows better. Thanks for bringing that to my attention. When I wrote that, there wasn't a lot of emphasis on 1:8 barrels. When people asked "how fast?", it generally was either 1:9 or 1:7. Therefore, I put in 1:7. Realistically, it should say "1:8 or faster". Learn something new everyday ... I mean - who the Ammo Oracle is. |
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Posted: 8/6/2012 8:04:43 PM
Originally Posted By sgwlower:
Or he could have come to an open forum, asked his question to people with a great deal of experience, as well as Mr. Larue himself, and be part of a communal group to get the correct answer. Stop flaming the new guy, he's here to learn just like you were at one time. This is so true. The higher that post count goes up the smarter some people become. Though they really don't know much more than when they started. Its like that on every forum I have ever been on. Be it guns, trucks, boats, cars.... meanwhile there is some guy with 25 posts or doesn't even use forums that would blast 95% of the people on the same said forum right out of the water. Not to say I'm talking shit to anyone before you start flaming. Because I have seen a few guys that actually know their shit on this site. But then there are the ones who are obviously recycling words they have seen others say and acting like they have known it from the day they slid out of their mothers fun chute. |
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Posted: 8/6/2012 8:09:45 PM
[Last Edit: 8/6/2012 8:09:51 PM by InfiniteGrim]
Originally Posted By LaRue_Tactical:
Originally Posted By Zhukov:
Originally Posted By AR_Tech:
Straight from the ar15.com ammo oracle, "There is, of course, an exception: if you want to use loads utilizing the heavier, 75-77 grain match bullets currently used by Spec-Ops troops and other selected shooters, you'll want a 1:7 twist barrel." But I guess some guy from the coasties knows better. Thanks for bringing that to my attention. When I wrote that, there wasn't a lot of emphasis on 1:8 barrels. When people asked "how fast?", it generally was either 1:9 or 1:7. Therefore, I put in 1:7. Realistically, it should say "1:8 or faster". Learn something new everyday ... I mean - who the Ammo Oracle is. Waiting for these posts to be deleted....We're not supposed to see behind the curtains! |
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Posted: 8/6/2012 9:13:17 PM
Originally Posted By DVCAPI:
Originally Posted By ltcdwb:
I can help you. I will buy the used Costa that won't run properly. Send it to me, I will gladly give you $500. I'll triple that offer and give you $1500.00 for your defective Rifle.
Trying to outbid me? Ok, I'll up my offer to $525. ![]() |
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Posted: 8/6/2012 9:18:06 PM
[Last Edit: 8/6/2012 9:23:17 PM by Zhukov]
Originally Posted By InfiniteGrim: Originally Posted By LaRue_Tactical: Originally Posted By Zhukov: Originally Posted By AR_Tech: Straight from the ar15.com ammo oracle, "There is, of course, an exception: if you want to use loads utilizing the heavier, 75-77 grain match bullets currently used by Spec-Ops troops and other selected shooters, you'll want a 1:7 twist barrel." But I guess some guy from the coasties knows better. Thanks for bringing that to my attention. When I wrote that, there wasn't a lot of emphasis on 1:8 barrels. When people asked "how fast?", it generally was either 1:9 or 1:7. Therefore, I put in 1:7. Realistically, it should say "1:8 or faster". Learn something new everyday ... I mean - who the Ammo Oracle is. Waiting for these posts to be deleted....We're not supposed to see behind the curtains!
To be fair: I didn't have anything to do with the "original" ammo oracle. That was all brouhaha, Troy, and tatjana.
[ETA] I thought the excerpt above came from my "Best Choices for Self-Defense Ammo" webpage, but it is indeed in the Ammo Oracle. I'll go and update that page and fix it there.
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Posted: 8/6/2012 10:09:09 PM
[Last Edit: 8/6/2012 10:15:19 PM by tx51210]
I was in a Carbine 1 class Sunday with 21st Century Gunfighter and used my Costa rifle with Federal XM193 of different lot numbers. The rifle had 150 rounds put through it before class and was cleaned and lubed with frog lube in preparation for the class.
I had similar experience to OP during the class while using Federal XM193. Numerous FTE and failure to lock open on the last round using PMags that were not new. Approx 450 rounds shot during class in extreme heat. Who the hell takes a class in Texas in August? The guys at 21st Century Gunfighter were pumped to see two Costa rifles in class and helpful with diagnosing issues with both rifles, watching ejection patterns and the types of issues seen during class. I swapped the red spring for the white one and we wiped off excess lube (a hard habit to break) as the guys at 21st CG thought lube could be a contributing factor. This greatly improved the function and I believe there were no further gun related issues in the next 200 +/- rounds expanded till the end of class. I had tried to keep lube to a minimum but being used to a Colt BCG with a sand paper finish has built some training scars in my maintenance procedures. I include this so others might be aware of lube issues as well. The Costa is awesome and is so accurate. I never used to put double taps at 15 yards that touched. It is a racehorse and will require more attention to specific maintenance and ammunition selection. Make the proper selections and it will run like the wind. I won't speak to the issues with the other rifle in class as I cannot verify all the rifle prep and ammo used but it was not the OP in this thread. Please understand, I was not there to do scientific rifle testing and analysis, but to learn to refresh my skills and to get used to the new rifle. Malfunctions were something to be dispatched, not dwelt on. I will answer questions but I don't pretend to be any kind of expert and I think I've been here supporting LaRue to not be considered a troll. PS If you can take a class with 21st Century Gunfigherts, do it. The one day format and cost made it really easy and they do a really good job. Stephen Pineau also worked with Chris Costa when he did his class in Gainsville this past June and I found that he is a first rate teacher and decided to take this class as well. I was not disappointed. |
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Posted: 8/6/2012 10:54:43 PM
So the red spring maybe too strong, and some say the white allows to much abuse to the rifle. So is the blue spring the happy medium?
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Posted: 8/6/2012 10:59:17 PM
Originally Posted By tx51210:
I was in a Carbine 1 class Sunday with 21st Century Gunfighter and used my Costa rifle with Federal XM193 of different lot numbers. The rifle had 150 rounds put through it before class and was cleaned and lubed with frog lube in preparation for the class. I had similar experience to OP during the class while using Federal XM193. Numerous FTE and failure to lock open on the last round using PMags that were not new. Approx 450 rounds shot during class in extreme heat. Who the hell takes a class in Texas in August? The guys at 21st Century Gunfighter were pumped to see two Costa rifles in class and helpful with diagnosing issues with both rifles, watching ejection patterns and the types of issues seen during class. I swapped the red spring for the white one and we wiped off excess lube (a hard habit to break) as the guys at 21st CG thought lube could be a contributing factor. This greatly improved the function and I believe there were no further gun related issues in the next 200 +/- rounds expanded till the end of class. I had tried to keep lube to a minimum but being used to a Colt BCG with a sand paper finish has built some training scars in my maintenance procedures. I include this so others might be aware of lube issues as well. The Costa is awesome and is so accurate. I never used to put double taps at 15 yards that touched. It is a racehorse and will require more attention to specific maintenance and ammunition selection. Make the proper selections and it will run like the wind. I won't speak to the issues with the other rifle in class as I cannot verify all the rifle prep and ammo used but it was not the OP in this thread. Please understand, I was not there to do scientific rifle testing and analysis, but to learn to refresh my skills and to get used to the new rifle. Malfunctions were something to be dispatched, not dwelt on. I will answer questions but I don't pretend to be any kind of expert and I think I've been here supporting LaRue to not be considered a troll. PS If you can take a class with 21st Century Gunfigherts, do it. The one day format and cost made it really easy and they do a really good job. Stephen Pineau also worked with Chris Costa when he did his class in Gainsville this past June and I found that he is a first rate teacher and decided to take this class as well. I was not disappointed. I met Stephen in geology class in college. I felt bad for our teacher come the end of semester! If you see him again, ask him about Geology 1 final exam study guide! LOL! |
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Posted: 8/7/2012 8:17:52 AM
Originally Posted By sgwlower:
So the red spring maybe too strong, and some say the white allows to much abuse to the rifle. So is the blue spring the happy medium? The casings were ejecting in the 4 to 4:30 direction with the white spring and the XM193. I may track down a blue spring to test. Anything to protect the rifle long term. Got a good source for blue buffer springs? |
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Posted: 8/7/2012 8:21:28 AM
http://www.sprinco.com/tactical.html
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Posted: 8/7/2012 10:34:41 AM
[Last Edit: 8/7/2012 2:10:19 PM by LaRue_Tactical]
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Posted: 8/7/2012 10:46:51 AM
Originally Posted By LeonC:
Originally Posted By m4hk33:
I don稚 know if I would call it trolling, the thing is, that for what the going is for many of Marks rifles, these rifles should be toughly tested and capable of firing pretty much anything reliable. There are a lot of rifles/weapon systems out there that have seen combat and extensive testing. FN, LMT, HK, and Knights have developed some pretty innovative weapon system that have been able to stand up to rigorous testing, Now I am not saying that the costa OBR or any of marks rifles are not nice ,they are, it痴 just that there is a significant premium involved for a brand with no real pedigree. Ok, Mark has been able to get his rifle in movies and on video game covers, but really outside of the agents in sector 7, they are an unknown. They are accurate, and they overwhelmingly appear spotless in photo threads, but that痴 about it. I am sure they are fine for recreational shooting but how do they hold up after being ran all day in the hot chamber? How about the dust chamber, how about 203/320 40mm testing, how about cold, how about vibration? Like I said, I am sure they are a nice rifle that will suit most recreational shooter just fine. But at the end of the day are a number systems out there that are currently available, that have absolutely been hammered in testing and have resulted in the public being able to make an informed decision when spending there hard earned money. I am not trying to troll or hate on Marks products, I think his mounts are great, but I would really love the opportunity to actually see how they preform when tested, as I would be the first person in line to buy one if the truly did live up to the hype. Hats, dillos, spices, and stickers are cool and all, but if I am going to drop over 3000 dollars on rifle, I want to know that it, can stand up to anything that can be thrown at it and keep running. +1 Well said. ATM you're paying for the Gucci logo more than anything. Again I ask, How does changing a buffer spring (To one that comes with the rifle no less) make the gun unreliable, or untested? |
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Posted: 8/7/2012 10:52:48 AM
[Last Edit: 8/7/2012 2:10:43 PM by LaRue_Tactical]
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Posted: 8/7/2012 11:12:43 AM
Would you be happier if a manufacturer put in a very light buffer\spring combo just so it could cycle all ammo from the get go?
Also why would a organization such as the Texas Rangers use LT products if it wasn't properly vetted? |
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Posted: 8/7/2012 11:17:12 AM
[Last Edit: 8/7/2012 2:11:02 PM by LaRue_Tactical]
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Posted: 8/7/2012 11:19:23 AM
[Last Edit: 8/7/2012 2:30:28 PM by sgwlower]
I also see that noone has brought up yet末that many, many people have needed to tune thier 14.5 middys from manufacturers such as BCM, PSA etc. Having to play with buffers and springs is nothing new with a 14.5 Middy.
For the people that have so much Hate for Larue and this rifle末they seem to have no problems showing up in the larue forum and shitting on the product. People really need to let the cost point judging go, and move the f*** on. If I wanted to buy another brand of rifle I would have. Its my money, I worked hard for it, I wanted a Costa末now shut the f** up and move on. Leon末-you have made your points in the release thread末you think it is over priced末frankly all of us that bought dont care that you think its over priced末move on. From a man that has an affinity for sports cars, as far as I am concerned you point is invalid. |
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Posted: 8/7/2012 11:23:29 AM
[Last Edit: 8/7/2012 2:11:24 PM by LaRue_Tactical]
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Posted: 8/7/2012 11:25:23 AM
I am not trying to justify pricing. That is up to the person who decides to buy the product, and judging by how fast the CE rifles sold they seem to disagree. (I didn't buy one)
I am trying to justify the reasoning for including different buffer springs with the rifle, and claims the rifles aren't tested\vetted. You never answered my question about if you would like manufacturers to only include a very light buffer\spring combo with their rifles instead of giving the consumer the ability to tune their rifle to the load they are going to shoot. |
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Posted: 8/7/2012 11:26:56 AM
[Last Edit: 8/7/2012 11:27:33 AM by sgwlower]
Leon I have a problem with you calling us who purchased the rifle fools末-as you did in the first release thread. And the fact that you just happen to show up now when a gent is having an issue, to again call it an over priced unproven rifle末makes you nothing more than a troll. |
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Posted: 8/7/2012 11:26:57 AM
[Last Edit: 8/7/2012 2:11:47 PM by LaRue_Tactical]
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Posted: 8/7/2012 11:31:12 AM
I never compared them!
Will you answer the question? |
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Posted: 8/7/2012 11:34:23 AM
[Last Edit: 8/7/2012 2:12:10 PM by LaRue_Tactical]
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Posted: 8/7/2012 11:38:49 AM
Well myself, and I'm sure a lot of others will disagree with you about wanting the ability to tune their buffer systems.
If you are happy with a rifle that comes with a super light buffer system that is great. |
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