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Cluelessly bought an upper.

Discussion in 'Rifle Country' started by Mn Fats, Jun 2, 2019.

  1. Mn Fats

    Mn Fats Member

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    First, i know NOTHING about this platform. I was at my Brother's house and one of his neighbors stopped by and we were bbq-ing, cocktailing and talking about guns.

    I mentioned I've been thinking about an AR for over a year or two now. I told my Brother's neighbor that I've settled on a Ruger Ar556 or S&W Sport 2. He said "they're ok, but I have something better you can buy off me". He opens his trunk and there's a Bravo Company 16" mid length upper MCMR-13 with the bolt and charging handle (both BCM). Unfired. Sorry i cant snap a decent pic tonight but it looks like this.. Screenshot_20190602-204715.png I have no clue what this brand is or even what id do with it. Neighbor guy says its one of the best and you can buy this off me for $700 or spend the same on finished trash. I quickly Googled the price of the BCM and figured it was a good deal.

    So now I'm a clueless AR upper owner. Can I go to my ffl and buy a complete lower and plug it in and play? Legos, guys keep saying.

    What do I need to finish this upper? Screenshot_20190602-211808.png Can I just plug in a complete lower like the one pictured above and be good to go? If I can, is PSA good for a complete lower?

    What do you guys recommend. I really need my hand held with this one. I'm lost on ARs.
     
  2. LoonWulf
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    LoonWulf Contributing Member

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    It will snap right to any complete Ar15 lower.

    I tend to build mine from parts, but the psa kits are good options.
     
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  3. rust collector
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    rust collector Contributing Member

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    You will need a complete lower, means of aiming, and a magazine.
     
  4. <*(((><
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    <*(((>< Luke

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    Yes that lower would complete your upper into a completed carbine.

    Just don’t for get sights and/or optics and magazines.

    BCM is a company of known quality, you did great.
     
  5. LoonWulf
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    LoonWulf Contributing Member

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    And a magazine or 20 lol!
     
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  6. <*(((><
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    <*(((>< Luke

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    You might want to check to see if PSA has some magazine + red dot combo if you desire a red dot.
     
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  7. Mn Fats

    Mn Fats Member

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    Thank you! I honestly don't know how I did or why I did it. I figured I should own at least one AR right?

    So now I should be after a "complete lower" and that will make the rifle whole? I'm sorry for sounding ignorant, I know nothing about these AR's.

    Also, is there any tool I need to connect a completed lower to my upper? And is my upper complete? What am I missing. And is PSA good enough for a completed lower? Is there a better completed lower for a similar price that's noticeably better?

    I'm sorry, I'm a "newb" as they say.
     
  8. Mn Fats

    Mn Fats Member

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    I'm not sure of the optics yet. I have the Sig Romeo 5 in my cart on Amazon.
     
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  9. LoonWulf
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    LoonWulf Contributing Member

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    Good choice!

    No tools needed to assemble a complete lower and complete upper. On lower quality, your not gonna get a lot better than psa without paying more.... It's mostly in the trigger also lol.
     
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  10. mustanger98

    mustanger98 Member

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    The connection between upper and lower is two pins. I'm not sure, but I think it involves a rubber mallet.

    ETA... Okay, LoonWulf beat me to that one. But you do need some sort of sight system. From what I hear, though, you need a good trigger before you go crazy spending money on glass. And you do need mags you can be confident that they work.
     
    Last edited: Jun 2, 2019
  11. LoonWulf
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    LoonWulf Contributing Member

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    Errr....if your malleting your pins in you MAY have some alignment issues......:D there's my smiley
     
    Last edited: Jun 2, 2019
  12. Mosin Bubba

    Mosin Bubba Member

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    You see those two holes about the size of a dime on the bottom of your upper, one at the very back and one a little ways forward? The lower has two pins inside it that are the same diameter, and the pins will slide through the holes in your upper.

    You can push the pins out with a good bit of finger pressure, line up the upper with the lower, then push the pins back in place with your finger. Takes 30 seconds max. No tools required.

    Start watching this video at the 1 minute mark.
     

    Attached Files:

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  13. rust collector
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    rust collector Contributing Member

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    And the urge to replace the buttstock and trigger is normal. It will soon be joined by the urges to replace the muzzle device, charging handle, and other parts, followed by a desire to pick up a stripped lower or two to put the replaced parts to work.
     
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  14. Garandimal

    Garandimal Member

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    If men had to justify their desires?

    ...Strip-clubs would go out of business.

    :D

    Enjoy your BCM/AR when complete.




    GR
     
  15. BigBL87

    BigBL87 Member

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    If you flip muzzle device and charging handle, that's actually the precise order I replaced mine in, Haha. My spares ended up going to my father in law to complete his build cheaper though. I'm lusting after an AR pistol now though, so kinda wish I still had the parts.
     
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  16. mustanger98

    mustanger98 Member

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    It's been a long time since I looked, but I thought those pins seemed snug and snapped into place. I see what you're saying though.
     
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  17. BigBL87

    BigBL87 Member

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    To the OP, considering you'll likely end up replacing the trigger and stock, I'd personally go a little cheaper and more basic on the complete lower, save some money for getting the little tweaks you want. This "Classic" lower should meet your needs pretty well and will be a little cheaper than the one in the screenshot. That being said, if you like the trigger and stock on the one in the screenshot no reason not to go with that one.

    https://palmettostatearmory.com/complete-psa-ar-15-lower-classic-edition.html
     
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  18. LoonWulf
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    LoonWulf Contributing Member

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    Your right, they can be hard to move. It's usually the detents, rounding them can make It easier.
     
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  19. Mn Fats

    Mn Fats Member

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    So any completed lower will plug right into my BCM upper.
     
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  20. LoonWulf
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    LoonWulf Contributing Member

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    As long as you don't accidentally buy an ar10 lower
     
  21. slowr1der

    slowr1der Member

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    Any AR-15 lower will work with the BCM upper. Just don't get an AR-10 lower as mentioned above.

    Also, make sure your upper has a bolt carrier group and charging handle. The one you pictured does, but if it doesn't include these you'll need these two parts. For $700, I'd hope it would.
     
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  22. MistWolf

    MistWolf Member

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    Mn Fats, in your first post you mentioned your upper came with the carrier and charging handle. Mechanically, your upper is complete. What it lacks is sights. The cheap and easy button is the Primary Arms Advance Micro Red Dot with rotary illumination dial and a 1/3 lower co-witness mount. For reliability and battery life, it's among the top red dot sights in its price range (under $200). Both are available at the Primary Arms web site. Aimpoints are much better but prices are more than double that of the Primary Arms and go up from there.

    Iron sights are available, but they'll cost almost as much as the red dot sight I recommend above.

    The BCM upper will fit the PSA lower you showed in your post. That PSA lower and the MagPul furniture it comes with is a good choice and will get you up and running so you can shoot your AR. However, the buffer is really too light and the action spring isn't the best. Both will last you long enough that you can get a replacement H2 buffer and a good spring, like the Sprinco blue spring.The

    If that PSA lower is on special, don't hesitate to buy it. Anything PSA puts on sale sells out fast and it's likely it'll bee a good while before it's back in stock again.

    The BCM upper you bought is one of the best.
     
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  23. Buzznrose

    Buzznrose Member

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    BMC gear is excellent. I strongly recommend if the difference is less than $100, OP buys a complete BCM lower.

    Also, and sorry if I missed it, did the upper come with the BCG and charging handle? If not, don’t skimp on a bargain BCG...again, BCM if top quality, go to war gear.
     
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  24. Mn Fats

    Mn Fats Member

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    Yes, it came with a BCM bolt carrier group and a BCM medium charging handle. All new. From what I can tell, I saved maybe $125 vs buying off of the BCM site. Not a crazy good deal. But a deal.
     
  25. Mn Fats

    Mn Fats Member

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    Thanks for all the help. Hopefully it shoots as good as it looks. I've been reading up on BCM since I bought it. Seems like they get some good reviews.
     
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