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New barrel specs for M&P 15 Sport

Discussion in 'Black Rifle Forum' started by cyphertext, Feb 25, 2013.

  1. cyphertext

    cyphertext

    2,444
    57
    Jan 6, 2004
    Dallas
    For anyone in the market for the M&P 15 Sport, it appears that they have changed the barrel. On another forum, two members posted that their recent purchases of the Sport came with a 1/9 twist barrel, vs. the 1/8 twist previously on the Sport. I called S&W customer support to confirm, and "Joe" advised that they have changed the spec, and that the Sport will now ship with a Melonite treated, 1/9 twist barrel. If you want the 1/8 twist barrel, you will need to purchase the M&P 15T.

    Still trying to confirm if it is still 5R rifling or if it is the traditional rifling.
     
  2. bullittmcqueen

    bullittmcqueen Gunfighter

    540
    0
    Feb 18, 2011
    Leesburg, GA
    That's unfortunate. I thought using the 1/8 was a pretty ingenious decision. It's a great all-around twist rate.
     


  3. mjkeat

    mjkeat

    3,447
    3
    Jun 17, 2009
    Midwest
    They are probably sourcing the Sport 1/9 barrels at a lower cost.
     
  4. cyphertext

    cyphertext

    2,444
    57
    Jan 6, 2004
    Dallas
    I agree. The barrel was the high point of the rifle! Glad I got mine last year before they did this.
     
  5. bigmoney890

    bigmoney890

    1,486
    1
    Nov 8, 2011
    Boone, NC
    Again, why dick around with something that works?
     
  6. WoodenPlank

    WoodenPlank Who?

    7,958
    3
    May 15, 2010
    NW Florida
    Because someone was an idiot.

    Anyone know if S&W was doing the 1/8 barrels in house, or if they were outsourced?
     
  7. cyphertext

    cyphertext

    2,444
    57
    Jan 6, 2004
    Dallas
    They were produced by Thompson Center, which S&W owns, from everything that I have read.
     
  8. cyphertext

    cyphertext

    2,444
    57
    Jan 6, 2004
    Dallas
    Grant from G&R Tactical has also confirmed that there will be no more barrels with 5R rifling for the Sport. The 1:8 twist with 5R rifling barrels are being held for the "premium" lines, the VTAC II, the MOE, and the 15T.

    Grant said that the S&W rep told him the reason for the change is the 5R rifled barrels were a production bottleneck and no one wants to make them.
     
  9. Made Man

    Made Man Glock-o-holic

    488
    0
    Nov 1, 2004
    Eastern Kentucky
    Me too.

    Sent from up range, at about 3100 fps