AR 15 Barrel requirements

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    outobie

    Active Member
    Mar 7, 2012
    142
    Annapolis
    Hi Guys:

    I've got a pair of lower recievers that I'm in the process of planning my builds for.

    I'm thinking of making one a pistol or SBR and the other a long range precision rifle.

    I've read conflicting info on HBAR requirements for calibers that are not 556/223.

    I'm thinking of 300 blackout in a 10" barrel like this
    https://criterionbarrels.com/products/ar-15/ar-15-300-blackout-10-5-hybrid-barrel-nitride/

    and a 22" 224 Valkyrie for the precision rifle like this:
    https://criterionbarrels.com/products/ar-15/craddock-precision-224-valkyrie-ar-15-barrels/

    neither of those are labeled HBAR.

    would they be legal here?

    thanks for any guidance.
     
    outrider58

    outrider58

    Eats Bacon Raw
    MDS Supporter
    Jul 29, 2014
    50,063
    outobie said:
    Hi Guys:

    I've got a pair of lower recievers that I'm in the process of planning my builds for.

    I'm thinking of making one a pistol or SBR and the other a long range precision rifle.

    I've read conflicting info on HBAR requirements for calibers that are not 556/223.

    I'm thinking of 300 blackout in a 10" barrel like this
    https://criterionbarrels.com/products/ar-15/ar-15-300-blackout-10-5-hybrid-barrel-nitride/

    and a 22" 224 Valkyrie for the precision rifle like this:
    https://criterionbarrels.com/products/ar-15/craddock-precision-224-valkyrie-ar-15-barrels/

    neither of those are labeled HBAR.

    would they be legal here?

    thanks for any guidance.
    Click to expand...
    The 300 AAC does not need to be Hbar. I'm pretty sure the .224 V doesn't either as it has a different bolt and chamber than the .223 Rem and the 5.56 NATO(as well as the .223 Wylde).
     
    Pinecone

    Pinecone

    Ultimate Member
    MDS Supporter
    Feb 4, 2013
    28,175
    This has been discussed MANY times.

    MSP is currently saying that non-.223/5.56 do not need to be HBAR. But, that is not supported by the text of the law. The AR-15 line does NOT specify caliber. However, there are other banned firearms that do state caliber (Mini14 with folding stock states .223).

    So, if MSP changes their mind, your non-HBAR other caliber could become banned.

    You choice as how to proceed. But there are some people on MDS that prefer to make any AR in HBAR.
     
    Biggfoot44

    Biggfoot44

    Ultimate Member
    Aug 2, 2009
    33,274
    The previous replies seem confusing , is because the Answer is inherently confusing and ambiguous .
     
    RoadDawg

    RoadDawg

    Nos nostraque Deo
    Dec 6, 2010
    94,469
    Pinecone said:
    This has been discussed MANY times.

    MSP is currently saying that non-.223/5.56 do not need to be HBAR. But, that is not supported by the text of the law. The AR-15 line does NOT specify caliber. However, there are other banned firearms that do state caliber (Mini14 with folding stock states .223).

    So, if MSP changes their mind, your non-HBAR other caliber could become banned.

    You choice as how to proceed. But there are some people on MDS that prefer to make any AR in HBAR.
    Click to expand...

    It does none of us any good to pre-ban ourselves from building/owning any firearm or types of firearms not currently banned... based upon what MSP might/could do IF they change their minds.

    One could carry on endless debates about what “could be” ad nausium... ending in far more confusion than actual answers to the original question.

    The only current “Maryland Law” requirement for HBAR upper receivers... is specific to the AR15 rifles chambered in 5.56/.223, built by, purchased by, or otherwise transferred to a Maryland resident after 1 October 2013.

    If the OP wants to build their AR style rifle in any other caliber... WITH a non HBAR upper receiver... no current Maryland law prohibits them from doing so.
     
    Pinecone

    Pinecone

    Ultimate Member
    MDS Supporter
    Feb 4, 2013
    28,175
    RoadDawg said:
    It does none of us any good to pre-ban ourselves from building/owning any firearm or types of firearms not currently banned... based upon what MSP might/could do IF they change their minds.

    One could carry on endless debates about what “could be” ad nausium... ending in far more confusion than actual answers to the original question.

    The only current “Maryland Law” requirement for HBAR upper receivers... is specific to the AR15 rifles chambered in 5.56/.223, built by, purchased by, or otherwise transferred to a Maryland resident after 1 October 2013.

    If the OP wants to build their AR style rifle in any other caliber... WITH a non HBAR upper receiver... no current Maryland law prohibits them from doing so.
    Click to expand...

    Show me where the LAW states AR-15 in 5.56/.223.
     
    outrider58

    outrider58

    Eats Bacon Raw
    MDS Supporter
    Jul 29, 2014
    50,063
    dblas said:
    Simple, how many other rifle calibers did COLT make an AR-15 in back in 1989, and what were they? 1989 was when the AR-15 was put on the list, when the first part of the list was created.
    Click to expand...

    [/thread]
     
    1

    1time

    Ultimate Member
    Apr 26, 2009
    2,280
    Baltimore, Md
    dblas said:
    Simple, how many other rifle calibers did COLT make an AR-15 in back in 1989, and what were they? 1989 was when the AR-15 was put on the list, when the first part of the list was created.
    Click to expand...


    I’d be careful there. How many Bushmaster semiautomatic rifles did bushmaster make? Now you can’t even get an ACR from them.
     
    D

    dblas

    Past President, MSI
    MDS Supporter
    Apr 6, 2011
    13,109
    1time said:
    I’d be careful there. How many Bushmaster semiautomatic rifles did bushmaster make? Now you can’t even get an ACR from them.
    Click to expand...

    I'll ask the same question about the Bushmaster, which MSP has overstepped their administrative authority to ban.

    How many AR-15's did Bushmaster manufacture back in 1989 when the "Bushmaster Carbine" was put on the regulated list?

    I'll give you a hint, it is less than 1.

    I'll also give you another hint, google Gwinn Arms Bushmaster Carbine for the actual firearm added to the regulated list and then subsiquently banned in 2013.
     
    1

    1time

    Ultimate Member
    Apr 26, 2009
    2,280
    Baltimore, Md
    dblas said:
    I'll ask the same question about the Bushmaster, which MSP has overstepped their administrative authority to ban.

    How many AR-15's did Bushmaster manufacture back in 1989 when the "Bushmaster Carbine" was put on the regulated list?

    I'll give you a hint, it is less than 1.

    I'll also give you another hint, google Gwinn Arms Bushmaster Carbine for the actual firearm added to the regulated list and then subsiquently banned in 2013.
    Click to expand...


    I’m completely aware, hence my post. But it is now a ban on any semiautomatic rifle that is called a Bushmaster. It bans the AR-15 which wasn’t made by them when Md created the list and the ACR which wasn’t in existence in any form when the list was created.

    Those facts didn’t keep Sandy what’s his name from the former Valley gun, from taking a plea when he was charged for selling a bushmaster HBAR face to face.
     
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