40 S&W recoil - 165 gr. vs. 180 gr.

Discussion in 'The Ammo Can' started by XDrocks!, Dec 10, 2009.

  1. Dec 10, 2009 #1
    XDrocks!

    XDrocks! XDTalk 100 Member

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    After a year shooting an XD-9 Service, I recently moved to an XD-40 service. Put in a Don's guide rod with 22# spring.

    The first rounds I shot were Federal 40 180 grain FMJ. Used them up and recently bought a box of Winchester 40 165 grain FMJ. Went out and shot about 30 rounds today in between snow storms. I'd swear there was less recoil with the 165 grain Winchester. All things being equal, will a smaller weight bullet (15 grains), in the same caliber, produce less recoil?

    Opinions and comments always welcome. Thanks.

     
  2. Dec 10, 2009 #2
    twice barrel

    twice barrel XDTalk 100 Member

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    I tried both too...couldn't feel any difference. Reckon lighter weight at higher velocity produces much the same degree of push. Might even whip barrel faster? I couldn't discern any difference except for the print on the box. :eek:
     
  3. Dec 10, 2009 #3
    ichy_trigger

    ichy_trigger XDTalk 10K Member

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    Light bullets are snappier than heavy bullets. Heavy bullets have a slower recoil pulse.
     
  4. Dec 10, 2009 #4
    XD FANATIC

    XD FANATIC XDTalk 1K Member

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    I've shot both and in my opinion, the 165s and 180s kick about the same in target ammo, the 165s seem to kick less for me in defense ammo.
     
  5. Dec 10, 2009 #5
    agalindo

    agalindo XDTalk 15K Member Founding Member

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    I find the 165gr snapier than the 180s.
     
  6. Dec 10, 2009 #6
    pbass

    pbass XDTalk 500 Member Founding Member

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    "All things being equal" are the key words.
    If EVERYTHING is the same EXCEPT the bullet weight, the lighter bullet will have less recoil. No doubt about it. Simple Physics.
    Regards, Pete
     
  7. Dec 10, 2009 #7
    agalindo

    agalindo XDTalk 15K Member Founding Member

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    Yes if all things are equal but I doubt that the 165gr bullet is being pushed at the same vel as the 180gr and that it's the same powder and charge.
     
  8. Dec 10, 2009 #8
    fredj338

    fredj338 XDTalk 10K Member

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    This is true. As Agalindo points out, rarely do you see lighter bullets moving the same speed as heavies, but there are some 165gr that are faster than others & those will have a bit more snap.
     
  9. Dec 10, 2009 #9
    Cuda66

    Cuda66 XDTalk 15K Member

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    Back when I had my .40, I really couldn't tell the difference.
     
  10. Dec 10, 2009 #10
    GreySmoke

    GreySmoke XDTalk 100 Member

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    I have a S&W 4013 Alloy .40 everything seem snappy in that compared to my XD9 or XD45. I cant tell the difference between 165's and 180's though.
    The alloy frame just doesn't have the mass to absorb it. I just put in a Wolf 19lb recoil spring (16 is std) and a pair of Hogue Wood grips. So we will see if that takes some of the snap out. If it doesn't it sure looks prettier now...LOL
     
  11. Dec 10, 2009 #11
    Ibasiuyac

    Ibasiuyac XDTalk 100 Member

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    Same here. For me that's in a Glock. Looking forward to the day when I can compare the two types of ammo in a XD!!!! I doubt if there will be much of a difference between a 165 or 180 in how much felt recoil there is in a Glock or XD but I certainly would like to get hold of an XD I can call my own.
     
  12. Dec 11, 2009 #12
    XDrocks!

    XDrocks! XDTalk 100 Member

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    Thanks Guys. Maybe it was the snow and cold weather getting to me and I was imagining things. I can tell you that IMO the 22# spring with the Don's Guide Rod reduced the perceived recoil about 40%. Plus, it seems to be more straight up and down with less torque up to the left. It's all good. Love the XD-40 service. She's wicked schweet.
     
  13. Dec 11, 2009 #13
    XD FANATIC

    XD FANATIC XDTalk 1K Member

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    I don't have much of a problem with recoil shooting my XD(M) 40, probably because it's a longer, heavier, pistol. I can shoot it better than my XD45 Service.
     

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