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Thread: So you have a new AR. How to test?

  1. #1
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    So you have a new AR. How to test?

    Oh sure, we'd like to shoot 250 rounds through it each day for a week or two starting cleaned and lubricated and adding some more lube now and then, but what can we do short of that to be "pretty sure" we have a working rifle with fewer rounds?

    I'm thinking fire a couple mags before any functional modifications to be sure it works.

    Then change out the trigger, choose an optic, etc.

    Then do the real testing. What's a good procedure?

    I've had bad history with AR's.

  2. #2
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    Honestly it depends on the manufacturer for me. If its one that I consider to be known quality, Id probably be ok with two full mags.


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  3. #3
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    lube the gun and cycle the gun by hand 500-1000 times. That will do a lot of the wearing in without shooting it.

    Shoot a few mags through it. Shoot a few mags with a single round in the mag to make sure it locks back on empty.

  4. #4
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    John Farnhams rifle classes all feature a "burn down"....100 rounds of continuous fire stopping only to change magazines.
    "When a strong man, fully armed, guards his own house, his possessions are safe." Luke 11:21

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    Good tips.

    Hand-cycling definitely a good one.

    I was thinking firing the first two to four rounds from full mags and also firing mags loaded with just two rounds.

    And starting with 5.56 M193, later trying JHP's / BT's / JSP's.

  6. #6
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    Quote Originally Posted by Esq. View Post
    John Farnhams rifle classes all feature a "burn down"....100 rounds of continuous fire stopping only to change magazines.
    That's getting a barrel pretty darn hot. I was thinking 40-60 rounds of that would suffice.

  7. #7
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    Should the procedure be any different for other calibers like .308?

  8. #8
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    With something reputable like a BCM I’m good with 2-3 mags and no failures.

    Same with Glocks.

  9. #9
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    Kind of an Arfcom question. You go shoot it like you mean it and within a few mags; youll know.

  10. #10
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    Quote Originally Posted by Ron3 View Post
    Good tips.

    Hand-cycling definitely a good one.

    I was thinking firing the first two to four rounds from full mags and also firing mags loaded with just two rounds.

    And starting with 5.56 M193, later trying JHP's / BT's / JSP's.
    You're overthinking it. Go shoot it with whatever ammo you have. Hand cycling will do nothing.

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