CAMP Nano 23

Priced: $5.56 - $6.95 Rated:   - 5 stars out of 5 by 26 reviews.
CAMP Nano 23
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CAMP Nano 23 -

C.A.M.P.'s Nano 23 Wiregate Carabiner is the lightest carabiner in the world! C.A.M.P. has achieved carabiner perfection by taking away everything possible while maintaining the safety and performance standards of the world’s most technical climbers. The Nano 23 is an excellent choice for alpine and trad climbing where reductions in weight can realistically increase the chances for success. The eight color options coordinate with the most popular cam colors to further help with organizing the rack for faster placements and transitions on big routes. The Nano 23 is also ideal for anchoring at the top of sport climbs because the nose gets into and out of chains without snagging.


  • Despite its small size, the Nano 23's 21mm gate opening clips easily to a full-width rope
  • Nano carabiners are slightly smaller than full size carabiers but are fully rated


  • Great for rock climbing, alpinism, and racking
  • Gate opening 21 mm
  • World’s lightest full-strength carabiner
  • Weighs in at only 23g, making it one of the lightest carabiners available
  • Stainless-steel wiregate is light and easy to clip
  • Winner of the Best In Gear Award from Rock & Ice Magazine
  • Significantly reduces weight and bulk on any rack.
  • Ideally suited to Rock Climbing, Alpinism, Racking
  • Ideal for racking biners as well as lightweight alpine pursuits

The Nano 23 Carabiner by Camp USA. The lightest carabiner in the world at just 23 grams (0.8 oz)! Even lighter than our award-winning one-ounce Nano Wire but with the same dimensions and gate opening.

FEATURES of the Camp USA Nano 23 Carabiner.
SPECIFICATIONS of the Camp USA Nano 23 Carabiner.
Remember those fake rocks people used to hide their house keys in? You'd pick one up and almost fling it into your friend's face because your momentum is all off (it's hard to believe it'll really be that light). The Camp USA Nano 23 Carabiner is also surprisingly and ridiculously light. And on the last clip of your redpoint or an arm-wobbling race up El Capitan, that'll make a difference. The low profile also reduces space so you can carry more gear on your rack.

Mountain Gear
Load up your rack and barely feel the weight - CAMP's Nano 23 Carabiner weighs in at a tiny 23 grams.


The C.A.M.P. USA Nano 23 wiregate carabiner is the perfect 'biner for racking gear and clipping protection on light and fast alpine pursuits.


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Review RatingNumber of Reviews
Carabiner Shape:D
Carabiner Size:Compact
Carabiner type:Non-locking carabiner
Certification:CE, UIAA
Country of Origin:One Year
Frame Shape:Modified D
Gate Clearance:21 mm
Gate Closed Strength:20 kn
Gate Locking Mechanism:Auto
Gate Open:7 kN
Gate Open Strength:7KN
Gate Opening:21 mm
Gate Opening Measurement:21 mm
Gate Style:Straight
Gate open clearance:21 millimeters
Gate type:Wire
Major Axis:20 kN
Major Axis Strength:20 kn
Major Axis Strength (Closed):20 kN
Major Axis Strength (Open):7 kN
Major Axis kN:20 kN
Minor Axis:7 kN
Minor Axis Strength:7 kN
Minor Axis kN:7 kN
Open Gate:7 kN
Open Gate Strength:7 kN
Open Strength kN:7 kN
Strength Gate Closed:20 kN
Strength Gate Open:7 kN
Strength at Minor Axis:7 kN
Strength major axis closed:20 kilonewtons
Strength major axis open:7 kilonewtons
Strength minor axis:7 kilonewtons
Weight:0.8 oz / 23 g
Weight (Grams):23 g
Compare specifications to related products.

Similar Products:

CAMP Nano 23 Express QuickdrawCAMP Nano 23 Express Quickdraw$11.94 - $16.95
CAMP Nano 23 Rack PackCAMP Nano 23 Rack Pack$31.74 - $39.95

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CAMP Nano 23 Reviews:

Positive Reviews:

Solid, yet light

I started replacing my older heavier biners with these.I use them for trad and I have used them for my twin ropes for ice climbing. It can be a small challenge with gloves and 2 ropes due to a smaller gate opening, but not really an issue for me.

I barely notice they're on my harness. I'm a little ole' school in my thinking that biners have to heavy to be strong. It's a little weird getting used to these because they feel like an accessory biner you would just throw on a pack and not use for climbing. That being said I have fallen on them and they work. Awesomely light and strong.I have not experienced the "sharp edges" others have.
HBL at REI on 12/12/2013

As other reviewers have said, these carabiners are quite a marvel, lightweight, plenty strong, and a good price. The gate opening is somewhere in between the Metolius FS mini and the Moses or Oz. I use them for racking cams, which works quite nicely.
I don't take issue with their small size, my main problem with these is that the gate action is funky. The spring starts out with "average" resistance, then hits a "dead spot", after which the resistance increases until the gate is fully open. This doesn't decrease functionality per se, it just doesn't feel nearly as smooth as other options in the weight class.
Overall, a lot of function for your dollar.

Simon Hatfield at on 11/04/2010

These puppies are just what I had in mind for racking my C4s. It is impossible to appreciate just how small these biners are online. They are about the size of many of those novelty ("not for climbing") carabiners that you see on car keys or water bottles, and almost as light--and yet they are full strength. I would not use them for regular trad climbing purposes (as in for extendable quickdraws) because I think that it would be too difficult to clip the rope through these when pumped, but I absolutely appreciate them for racking my cams, and am considering buying more for racking my hexes as well.

Rudy Breteler at on 02/03/2011

Lightest Load-Bearing 'biners around!

I love these 'biners. You must understand, going in, that they are on the small side. But they are extremely lightweight. I searched, high and low, for the lightest load-bearing 'biner around and this is what I came up with. I bought 2 of these at my local REI to use on backpacking. I have since gone back and bought the 6-pack. I use 1 to clip my chalk-bag, and put the rest on backpacks.

For non-climbing, if you want lightweight plus the versitility of a load-bearing 'biner, this is it.

For climbing, these puppies oughta be perfect for racking gear. You can't find lighter 'biners.
begleysm at REI on 06/06/2010

I have tried a couple of other biners and this is by far my favorite. I can't believe how light they are.
Some other lightweight biners I have tried were too small... tough to work with especially with gloves on. I am much happier with these. If you ice-climb only the smaller size could be a slight drawback so you probably wouldn't want a full rack of 'em.
It is smaller than a standard biner but seems to be big enough to do the job... great for racking gear, great on quickdraws and general use.
If you are trying to drop some weight from your rack I highly recommend these!

col2437816 at on 05/28/2010

23g, full strength, perfect proportions. Best racking biner money can buy, and even at full price you can buy a lot of them. Just holing one of these in my hand and I marvel at the amazingness that C.A.M.P. was able to create in these things. Once I get enough these will be at the rope-end of all my draws on alpine ascents. Probably wouldn't want to clip anything over 9.8mm in these, but a nice sexy 9.2mm nano rope would work lovely in these. Paired with WC Heliums (my #1 fave) and you have the greatest rack ever.

Jerry Keifer at on 09/03/2010

I recently put these little guys on all my cams and what a difference it made! When comparing the weight side by side with a single biner its not huge. As soon as you do it with 15 or 20. Now you can feel a huge difference. So if you are looking to lighten up your big wall rack these little guys are a great way to do it. They do take some getting used to because of their size, but it doesn't take long till this is your favorite biner

Matt Park at on 09/19/2013

As a female climber with small hands, this is my absolute favorite biner - and not just for racking. I use them on my draws (regular and extendable), and for me, they are perfectly sized for clipping the rope through. Compared to other micro biners (like those by Metolius) the gate opening is a (very important) bit larger, while they are both lighter and cheaper.
Another reviewer mentioned the gate action was funky - I've never noticed that. Never even really thought about it, which I guess is what you want!

kbu4118760 at on 03/11/2012

I bought these as racking biners for my trad rack and when you consider 18 cams getting the upgrade it made a very noticeable weight difference to the rack. I did end up using the rubber bands from braces to keep the biners oriented on the cams as their low mass was making them flip which was more annoying than anything else but now they are a pretty ideal setup for my trad rack. I will likely be replacing all of my sling biners with these as well.

Arthur Debowski at on 04/11/2013

I work as a heavy equipment tech with a truck that has a 3200 pound crane. One day at work I had an idea to test the rating system for myself. After stalling out my crane the no visual indicator that the hook had even contacted the gate. The biners are crazy strong for their little size. Gate is sturdy and works very smooth. The hook gets a little snaggy but I will absolutely recomend these guys foe anyone who wants to build a ligh weight rack.

blntfngr at on 11/06/2012

Negative Reviews:

Fatal Flaw on a good idea

I bought two of these, and after two one day climbing trips bought the 6-pack - so I own 8 of them. I too thought the lightest 23g biner would help me send harder trad routes. I use DMM 8mm dynema slings on these for ultra weight savings and less bulk. This is where the biner completely fails. I triple up my slings and extend as needed to avoid rope drag. When the sling is pulled across the lower gate pin the pin is so sharp it will pull out strands of dynema and rip them. YES that's Right this biner will actually TEAR your slings during normal use. Don't believe me? Run your thumb across that lower pin - feel sharp? Do you own any other carabiners with an edge so sharp it tears your slings?

Hopefully CAMP will address this issue and create a smooth button pin in the future.
Pax at REI on 03/03/2011

Needs improvement

This biner is very light and the action is great. I was hoping to buy some to lighten my rack. But as another reviewer mentioned, at the bottom of the gate is a sharp spot that actually cut my finger when I was looking at it in the store. I checked every one of more than a dozen they had in stock and all of them had this same sharp spot that could easily tear a sling.
I would like to see this fixed because the light weight and ease of use of this product would make this great if it didn't put slings and rope at risk.
Before it was trad at REI on 07/07/2011

light but weight aint everything

see above
Category Theory at REI on 06/06/2011

Neutral Reviews:

Now this is just my opinion, but I think this product is too small for me. I'm sure they are strong enough and the gate works fine. It's just that I have big hands and was not crazy how little they are. Also did not like that I can't mix and match them with my other biners. But if your cool with using just them on your rack, and into the ultra lite weight thing. They are cool. I mostly use them for hanging stuff on my pack.

Jeff Sacks at on 12/17/2010

They are a little too small for my liking. I have a few that I use for racking and on the gear side of trad draws. After opening the gate there just isn't much room to clip anything. I prefer the DMM Phantom, Mammut Moses or the BD Oz to this one.

Chris R. at on 07/02/2012