Finally shot my LR308

Discussion in 'Rifle Country' started by Citron, Apr 16, 2021.

  1. Citron

    Citron Member

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    IMG_20210416_170541542.jpg Took my 308 build out today to do a function check. Wouldn't cycle, looks like I need to adjust my gas block. Of course, I left the tool at home.

    Noreen lower, aero m5 upper, aero bcg, BA 18" barrel, aero m5 buffer assembly, luthAR stock, odin works adjustable gas block.
     
  2. Charlie98

    Charlie98 Member

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    Nice! I just built an AR-10 in 6.5CM on a AP set... I have an Odin Works barrel and adjustable gas block. My previous build... a .308 with a BA 18" middy barrel, as a matter of fact... was seriously over-gassed... I should have put an adjustable gas block on it.
     
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  3. bfoosh006

    bfoosh006 Member

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    Good looking rifle !

    FWIW... don't be surprised if it "needs" a break in period for 100% function.
     
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  4. Citron

    Citron Member

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    That's awesome! This is my first ground up build. I did a ton of reading and decided to go adjustable because many people had over gas issues with .308

    Thanks! That's good to know. I will keep that in mind. Now if I can only find enough ammo to run through it.
     
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  5. Charlie98

    Charlie98 Member

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    Question... or perhaps comment... for you.

    Did you lap the receiver to true it up to the barrel? While the AP receivers are nice, they are not perfect. I lapped both the .308 and 6.5CM build before torquing down the barrels... I think it helped. The 6.5 receiver took a lot more work than the .308 one did, and I'm still not very happy with it. I'm taking it out to NV next week to see how it does... if I get weirdness, I'm going to pull the barrel and lap it some more.

    That shiny ring is a sign of an evenly lapped surface for the barrel to bear into...

    VIYtqq1l.jpg

    ...it does not wobble one bit...

    JFrpxtol.jpg
     
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  6. Citron

    Citron Member

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    I did not. Didn't know that was a thing.

    Just read an article about it. What brand tool did you use?
     
  7. marksman13

    marksman13 Member

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    I have a couple rifles that I built on Aero Precision M5 receivers. Both are plenty accurate and have been 100% reliable in fairly limited use. One has an 18” Faxon Gunner profile barrel in 308. The other sports a Wilson Combat Recon profile, fluted 6.5 CM barrel. That’s a good looking rig you’ve built. With a little tuning of the gas system and maybe some buffer/buffer spring changes, I bet you get it running just fine.
     
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  8. Citron

    Citron Member

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    Thanks. I blasted, painted and baked this myself. I like the way it turned out too.
     
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  9. Charlie98

    Charlie98 Member

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    Wheeler makes a kit. They are specific, of course... AR-10 or AR-15.

    Note of caution: The AP M5 receiver is different than the M5 Advanced receiver... which has a different type of barrel nut. They take a proprietary lapping bar.
     
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  10. mshootnit

    mshootnit Member

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    I dont think it is worth buying the tool to lap a receiver for one or two builds. Also I have two builds, neither lapped, and I can easily hit a soda can at 200 yds. So not losing any sleep here.
     
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  11. Charlie98

    Charlie98 Member

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    I could see that. I have talked to a few people who were having accuracy problems with their AR-10's, and how they solved it... what I meant to suggest is, if the OP turns out to have subpar accuracy, that is a good place to start.
     
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  12. Citron

    Citron Member

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    My plan is to get the gas system tuned, then sight it in. If accuracy is an issue, I will go further. This is all dependent on ammunition. I only have 46 rounds left. I finished the build right about the time the plandemic started, so finding 308/7.62 has been difficult
     
  13. Wreck-n-Crew

    Wreck-n-Crew Member

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    Nice looking rifle. I have a simlar muzzle brake on my Ar15 in 223 and 300 blackout. The people next to me hate me for it. But it takes so much recoil off of the gun im not taking it off. Lol
     
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  14. Citron

    Citron Member

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    It is a VG6 epsilon. I usually shoot in a gravel pit and the kids and I have the place to ourselves, so no need to worry about the guy in the next stall.
     
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