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Item #: bld0304

Black Diamond

Big Gun Harness

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Regular Price: $109.95


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Product Information

Product Information For The Black Diamond Big Gun Harness


Brand Black Diamond
Weight 1 lb 7 oz / 660 g (M)
Material Nylon
Sizing S, M, L, XL

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The ultimate big wall, aid climbing harness, the Black Diamond Big Gun is loaded with features to make your long days aiding in the vertical more comfortable and efficient.


  • Thermoformed foam bullhorn waistbelt with trad buckle
  • Adjustable, removable leg loops
  • 7 color-coded customizable gear loops
  • 2 color-coded belay loops and 12 kN-rated haul loop
  • Left or right holster slots with one hammer holster included

Reviews For The Black Diamond Big Gun Harness


by PowerReviews
Black DiamondBig Gun Harness

(based on 2 reviews)

Reviewed by 2 customers

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Great harness

By CBR-ster

from MA

About Me Avid Climber

Verified Buyer


  • Comfortable
  • Durable


    Best Uses

    • Indoor
    • Long Climbs
    • Outdoor

    Comments about Big Gun Harness:

    I bought this harness to use at the gym and for outdoor sport climbing. I haven't had a chance to use it for big wall stuff yet. It is rather comfortable once you adjust it properly and it's easy on you when you take big falls leading. I cannot comment on long-term durability just yet (it's been a few months), but it seems very well constructed throughout.

    • Sizing:
    • Feels true to size
    • Was this a gift?:
    • No

    Fantastic harness - even for sport.

    By Steve Q

    from Los Angeles, CA

    Staff Reviewer


    • Great for falling
    • Lots of gear loops
    • Very well padded


      Best Uses

      • Big Walls
      • Sport
      • Trad

      Comments about Big Gun Harness:

      This harness is truly fantastic. I bought it with an eye towards big walls and long trad climbs, but it really performs amazing well on sport climbs. There is no reason that it has to be miserable when you fall repeatedly on the crux of a sport route and spend awhile hanging. Bottom line - if you have a lot of gear or think there is a decent chance of falling, this harness is highly recommended - even much nicer for belaying someone who you know is going to fall, or who you are going to have to lower.

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      Questions & Answers

      Q & A For The Black Diamond Big Gun Harness

      Do you have questions about this product?

      get answers from real customers and in-house experts with AnswerBox.

      2 Questions | 3 Answers
      Displaying questions 1-2
      • Big Gun Harness


        How do you measure for what size you need. Such as I wear a size 34 waist in pants but with a tape measure I am 38 inches around over pants? I also know that size of pants are not standard.

        Asked on 4/4/2013 by Clyde from Lugoff, SC

        1 answer

        • Staff Reviewer


          There is a bit more adjustability than the size chart indicates, so you will most likely be good with a large (you want a snug, but comfortable fit with the harness). If this doesn't work for you we can work with you to help you get the right size as long as its in stock.

          Answered on 4/10/2013 by Josh - Gear Expert from
      • Big Gun Harness


        how is it for rappelling?
        Asked on 2/23/2013 by NW sparky from seattle wa

        2 answers

        • A:

          The Big Gun Harness can be used for rappelling, but is heavier than harnesses intended only for rappelling, it would not be my first choice.

          Answered on 2/23/2013 by Community Answer from None
        • Staff Reviewer


          With a thick belt and thick leg straps, this harness would be great for rappelling.

          Answered on 2/27/2013 by Dallon - Gear Expert from
      Displaying questions 1-2

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      About Black Diamond

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