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Thread: Newbie question(s)...long...

  1. #31
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    You checked it with a headspace gage, which isn't the same. This is the chamber gage- http://www.m-guns.com/tools.php

    But, there is no need to check it because I can almost guarantee based on my experience with hundreds of Bushmasters that they do not have true chambers.

    If you put a .223 NO GO gage in there and it failed, then it most likely is correct. You are the one who needs to decide what to do. We can lead a horse to water, but.....

    Quote Originally Posted by BuzzkillKY View Post
    I already checked it with a 5.56 gauge.



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  2. #32
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    Quote Originally Posted by Iraqgunz View Post
    You checked it with a headspace gage, which isn't the same. This is the chamber gage- http://www.m-guns.com/tools.php

    But, there is no need to check it because I can almost guarantee based on my experience with hundreds of Bushmasters that they do not have true chambers.

    If you put a .223 NO GO gage in there and it failed, then it most likely is correct. You are the one who needs to decide what to do. We can lead a horse to water, but.....
    That is pretty slick. Too bad you can't trust what the manufacturer puts on the barrel.

  3. #33
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    Last edited by BuzzkillKY; 06-13-11 at 22:03.

  4. #34
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    Last edited by BuzzkillKY; 06-13-11 at 22:03.

  5. #35
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    Take it to Mr Smith as already mentioned and have the headspace and chamber checked or send it to Adco and have them do it. Don't guess, get it professionally checked out by someone who knows what they are doing.

    And it's not about snobbery or having the best money can buy. Let me see if I can put this in guitar terms.... (although since yours was a gift it'll be a little different). More often than not Bushmasters, DPMS, Olympic, etc are priced close to, the same as, or more than quality rifles like Colt, BCM, and Daniel Defense. It would be like if a friend if yours who was new to guitars bought a Fender Squire Stratocaster. Not a bad instrument, but let's say he only paid $50 less for it than a full out American Strat. Or what if he ended up with a Sears knock off? That's what we run into in the AR world often....

    Like I said get yours checked since you aren't sure of the history of the gun and have concerns over its safe function. Then get a Bravo Co bolt ugrade kit, and have the bolt carrier group and castle nut properly staked if they aren't already (the probably aren't). This should ensure reliable operation. Then shoot the gun.

    If you are serious about using the platform in a defensive role seek some professional training. If you are just going to plink some paper targets every once in a while, you should be fine from there.

  6. #36
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    Last edited by BuzzkillKY; 06-13-11 at 22:04.

  7. #37
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    There are certain ones that you can trust. But, there are plenty you can't. The ones that you can't, really aren't worth buying to begin with.

    Quote Originally Posted by Redhat View Post
    That is pretty slick. Too bad you can't trust what the manufacturer puts on the barrel.



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  8. #38
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    Quote Originally Posted by BuzzkillKY View Post
    They are actually flatter than they look in the pics. I would say right up to the visible "channel" they are flush with the heads. Like this (not my pic):
    Sounds like you are trying to find a problem where none exists. Your primers are not partially flattened, they are fine. Also, do you have any actual evidence that you have chamber problems? The only thing you mentioned in your original post is that your rifle is functioning without issues...

  9. #39
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    Quote Originally Posted by Iraqgunz View Post
    But, there is no need to check it because I can almost guarantee based on my experience with hundreds of Bushmasters that they do not have true chambers.
    I sold off my ole' BM carbine to a co-worker for plinking, recommending that he find somebody with a 5.56 chamber reamer and get it seen to so that he can shoot pretty much any ammo he picks up from wherever.....

    He did so, and kept the material it took off so he could show me. It was a distressing amount that made me very glad I never tried to shoot 5.56-case ammo through it. Up until that point, I was at the point of being able to intellectually acknowledge what I'd read up about their chambers and what the WTBn guys had to say, but that pile of shavings was a pretty visceral lesson.

    That'd be a Ned Christainsen chamber reamer I'm thinking of, right? Are there others? Good/Bad/Ugly?

    Buzz, for castle-nut staking and other boilerplate AR considerations, check the stickied threads in either the AR GD or AR Technical subforums; specifically, the ones marked Knowledge Base Threads. You'll find ALL SORTS of stuff that you may not have been aware of regarding your AR, and that you'll probably be glad to know, now.
    Contractor scum, AAV

  10. #40
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    J,

    That's correct. I recently had a conversation with someone about the reamer and in his opinion he thought it was a bad idea. However, I had to do it in Iraq because we had so many BM's that I couldn't replace every barrel due to time/ cost restraints.

    Quote Originally Posted by JSantoro View Post
    I sold off my ole' BM carbine to a co-worker for plinking, recommending that he find somebody with a 5.56 chamber reamer and get it seen to so that he can shoot pretty much any ammo he picks up from wherever.....

    He did so, and kept the material it took off so he could show me. It was a distressing amount that made me very glad I never tried to shoot 5.56-case ammo through it. Up until that point, I was at the point of being able to intellectually acknowledge what I'd read up about their chambers and what the WTBn guys had to say, but that pile of shavings was a pretty visceral lesson.

    That'd be a Ned Christainsen chamber reamer I'm thinking of, right? Are there others? Good/Bad/Ugly?

    Buzz, for castle-nut staking and other boilerplate AR considerations, check the stickied threads in either the AR GD or AR Technical subforums; specifically, the ones marked Knowledge Base Threads. You'll find ALL SORTS of stuff that you may not have been aware of regarding your AR, and that you'll probably be glad to know, now.



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

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