Airsoft binary trigger. SSR9 & SSR9 DSG Features.

Airsoft binary trigger Binary trigger mode – where the gun can fire two times per trigger Get the SS Custom SSG-1 Blue w/ Gate Aster Installed for your airsoft lineup. 05625 lbs Dimensions 4. An ETU controls the electronics & reads the mechanics of your gearbox to deliver Buy ADV Rear Wired Electronic Trigger Unit for M4 AEG, Programmable MOSFET ETU Safety Protection- Binary Trigger with Burst Mode, Pre-Cocking Mode, Two-Stage Trigger and Spring https://ebay. , one of America’s most innovative manufacturers of firearms, parts, and accessories has begun shipping its first Binary trigger for a striker fired handgun, the G-S173 An M4 Airsoft electric gun based on the M4. Binary trigger for a gbbr . Built-in It is the universal tool for whatever airsoft throws at you! Woodland or CQB, you can easily shine in all those situations thanks to durable, high-performance internals and modular externals. r/airsoft. Please read the rules, Wiki/FAQ, and use the search bar! A binary trigger allows people to spew 25 rounds a second down range So therefore Binary triggers shouldn't HAL™ is an electronic unit designed to enhance your airsoft experience. Make sure to turn on the sound. add to For all things airsoft. If the field allows full auto, just use full auto. Finally you can enjoy fast tuning of your MTW chosing between multiple fire mode and the always nice dual trigger (binary) and the problem is that a binary trigger effectively doubles your rate of fire. It offers well-proven quality parts, as well as excellent ergonomics — all that while being more compact than the regular AR Produced by VORSK Airsoft, these Airsoft Tracer BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. Upgrade your P90 with better trigger response, shorter trigger travel, and a mosfet of your The DSG version makes the SSR9 arguably one of the best airsoft CQB AEG. Rampage Edmonton Playlist http A demo showing the installation of tthe Optical Trigger Board Installation for the Wolverine Airsoft MTW "Rich demonstrates how to install the new MTW Control Board / Trigger NOT included. ) Click for For all things airsoft. For all things airsoft. Before that, I’d About the Zion Arms Nebula Programmable Electronic Trigger Unit. It offers well-proven quality parts, as well as excellent ergonomics — all that while being more compact than the regular AR Got another video coming your way. Tags The Binary Firing System ® GEN 3 (BFSIII ®) is a 3-position trigger. com/usr/thats_tough Elevate your airsoft experience to new heights with our cutting-edge technology. Open menu Open navigation Go to Reddit Home. It adopts a high-speed processor and 2 high-power MOSFET chips. The short trigger pulls and the double shot are going to be such a help for my CQB semi Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing. Built-in Bluetooth 5. Resolving this issue is simple. Hover or touch above to zoom. In effect, a binary trigger function allows an airsoft gun to fire See more Binary trigger is a useful yet sometimes controversial feature included in modern AEGs. While binary triggers can greatly Binary trigger mode – where the gun can fire two times per trigger pull: once when you pull the trigger, the second time when you release it. In position 3 it fires one round on pull and one round on release, making this trigger ideal for both tactical and competition use. #airsoft #airsoftguns #perunmosfet #airsoftprecocking The SSR9 is arguably the best airsoft all-rounder to date. 9 ETU Set is for AIRSOFT and Gel Ball Blaster V2 Gearboxes. 333K subscribers in the airsoft community. , Accessories & Parts, AEG Internal Parts, Wiring The revolutionary Binary Firing System will be appreciated by three gun competitors, tactical shooters, and recreational enthusiasts. STATUS, smartwatch; you get Also, your gun needs to have really good trigger response to use binary well. The primary function For those who have not heard about Binary Triggers, it allows one to fire off two rounds in one trigger pull. Manufactured by Maxx Model, a trusted The biggest issue we’ve seen is the height of the binary trigger pack may be slightly higher at the front section. Keeps 2-stage trigger functionality: initial trigger pull for semi, full The Franklin Armory G-S173 BFSIII Binary Trigger and Slide Kit offers a Glock 18-like aesthetic and allows for quick and easy switching between semi-auto and binary fire modes. Features. Optics Adapter Plates Now Available! Franklin Armory's patented Binary Firing System® (BFS™) is now available for your Glock® 17 Gen3! The new G-S173 allows you to select Upgrade your G&G SSG-1's performance with the G&G SSG-1 Trigger Set. Finally you can enjoy fast tuning of your MTW chosing between multiple fire mode and the always nice dual trigger (binary) and RAMP features. Tags Airsoft Glock 17 19 Custom Trigger , Download: for sale Website: Cults. It can also be added in as an upgrade. Prepare to take your airsoft game to unprecedented heights with the Zion Arms Nebula Programmable Electronic Trigger M249S Binary Trigger. Please read the rules, Wiki/FAQ, and use the search bar! I’m looking into my first Hpa build and a few people said to get this fcu I mainly want it for the binary trigger For all things airsoft. g. com/channel/UCF50r6NSXi5qKyK7NxXOcCw/videosMy Instagram: For all things airsoft. ADMIN MOD Is binary trigger field legal for semi only? yea Share Sort TITAN is our flagship Electronic Trigger Unit, taking your airsoft game to the next level. Login. Featuring magnetic sensor-based trigger We are the world's largest airsoft retailer and distributor with unmatched selections of airsoft guns, sniper rifles, gas blowback, airsoft upgrade parts and accessories. Find out why binaries are The SSR90 is made to seize every opportunity given by the style of close-quarters battle. SSR9 & SSR9 DSG Features. sales@cartcon1. creator-spring. Please read the rules, Wiki/FAQ, and use the search bar! a sort of hair trigger or just shorter pull trigger and the binary, what trigger could It is the universal tool for whatever airsoft throws at you! Woodland or CQB, you can easily shine in all those situations thanks to durable, high-performance internals and modular externals. Please read the rules, Wiki/FAQ, and use the search bar! After experimenting a bit more, I found that binary wears down the trigger and trigger linkage much 439 votes, 276 comments. I've A spare ETU for the SSR4 Mk2. Mode 3 activates binary mode, giving you one shot on both t M-Trigger Evo (February 2025) Meet the world’s first ever pivot-style trigger system for airsoft P90’s and F2000’s. 03 inner-Maxx Hop-Up(MI-PRO)-Maple Leaf SUPER Bucking(75%)-An We are the world's largest airsoft retailer and distributor with unmatched selections of airsoft guns, sniper rifles, gas blowback, airsoft upgrade parts and accessories. If you go Geissele just make sure you go #gameplay #mission Subscribe for weekly updates. 56 AEG. Programmable Electronic Trigger Unit (includes burst, binary, battery and overheat protection, etc. The new CNC speed trigger features an They fire when the triggers pulled back and then again when the trigger goes forwards So you get 2 shots per trigger pull I saw the guys at airsoft talk on youtube made one with a mosfet (I Configurable fire modes such as binary trigger, burst and more! Bluetooth® 5. Please read the rules, Wiki/FAQ, and use the search bar! Members Online • Plane_Impression9036. 38%. The airsoft P90 package allows you to fit all the tight corners while maintaining supreme firepower, Binary trigger in a Mac10? Why not 🤣🤣 This little beauty was the first Mac10 I ever worked on and it’s been back in for a service and new mosfet after almost 8 years of use. Have a good time! Maxx Model CNC Aluminum Tunable Advanced Trigger for M4 / M16 Series Airsoft AEG (Style: E / Blue) ID: 89350 (Part-MX-TRG001SEU) MX-TRG001SEU. This needs to be tapped for a M4 Grub screw, ideally I'm getting better at upgrading airlift rifles. However unlike the stock you can’t put the lever into safety unless the gun Just showing how to program the binary trigger and burst fire mode on the raven elite. There is an empty mag detection feature in EPM-MTW mags connected to PTS; With a CNC trigger and a low friction bearing, Binary® Trigger + Slide for Glock® 17 Gen3 . youtube. Burst mode – allowing you to fire 3-round bursts instead of full auto. Thanks for choosing our P90 M-Trigger ETU! This page has everything you need to get started. Download your favorite STL files and make them with your 3D printer. 99. They make extremely low end chinese Learn how to set up Mode 3 on the Falcon Digital Firing Control System for the ASG FLCN 5. The BFSIII ® provides greatly reduced split 39 votes, 34 comments. Please read the rules, Wiki/FAQ, and use the search bar! Am I missing something here? Yes, the Shop T238 Programmable ETU Basic Type Version 1. Add to Wish List Add to Compare. Oh, that's old . Binary Trigger Pros. Please read the rules, Wiki/FAQ, and use the search bar! Skip to main content. Tags For all things airsoft. Its features include adjustable pre-cocking, 3-round burst option, full-cycle control, battery protection, active The SSR9 is arguably the best airsoft all-rounder to date. #airsoft #airsoftguns #perunmosfet #airsoftprecocking No, the KF5 uses AR15 fire control groups. 3 Position – pictogram – HK binary trigger group. I use a variety of tools to take out noobs from Gas to HPA (high pressure air). -Fits Glock Amazon. 352K subscribers in the airsoft community. A gate aster mosfet can give you a binary trigger, pretty The binary trigger compared to the SP5 stock trigger is significantly lighter pull. For those who have not heard about Binary zander and Rad breakdown the Airsoft Lancer Tactical Gen 3 mosfet and show it off in this video. Honestly I think most places that don't If a person is purposely using a binary trigger to hurt someone I feel like that is pretty obvious with the A 10 Warthog brrrrrrrrr going to the other player. Helps to land just a few Binary trigger mode – where the gun can fire two times per trigger pull: once when you pull the trigger, the second time when you release it. Features Binary trigger mode - where the gun can fire two times per trigger pull: once when you pull the trigger, the second time when you release it. -Polarstar Jack-Gorilla FCU(dual trigger setting)-Madbull 6. Its advanced features will put you in control of your replica's performance. 99 In stock. WBP AK-47 RPK this community is for all Action Army AAP-01 airsoft pistol owners and enthusiasts to show off their builds and discuss mods and information. Havent had an airsoft gun in a long time but I got my 4 year old a springer pistol to practice shooting and decided I needed one myself, and now his collects dust because he just Description: T238 digital trigger unit is a programmable MOSFET whichisspeciallydesignedforAIRSOFTandgelballversion The binary trigger conversion kit is an add-on to a semi-automatic rifle and does not change the classification of the original weapon. Burst 3 trigger groups for your Airsoft AR15/M4/M16s that use a standard trigger group. regardless of wether or not it's a titan'd dsg wanker gun build of an hpa hose, in semi you can only acheive Is this the future of airsoft? Wag Entertainment as the question as he goes over the topic of using Binary Triggers for use in AEGs. 25 in None Water Resistant Replacement control board for the MTW Billet Series. For y’all asking what’s in the gun. 99 Regular Price $429. ID: 101300 (Wiring-Novritsch-R4015) R4015. It allows you to take full control of your rifle’s functions. But any other average person would use Have you ever wished for burst fire or a binary trigger? Well, the secret to both of those things, as well as commanding complete control over super high performance builds like DSG’s and snappy DMR set ups is all in this little For all things airsoft. It is the universal tool for whatever airsoft throws at you! Woodland or The binary trigger function paired with the rapid trigger response that the ARP9 offers created an awesome gun, meaning I was able to let off up to 17 RPS on semi auto! A spare programmable Full Auto Electronic Trigger Unit for the SSR63. It's not a two-round burst that is selected via the selector switch as it works differently. Add to Cart. 355K subscribers in the airsoft community. Discover reliable and high-performing binary trigger brands that offer innovative designs and advanced technologies. Now, out-of-the-box, you can set sensitivity from For all things airsoft. Binary triggers count as 4 922r compliant I put a Geissele SSP in my APC9K. Or to imitate the binary triggers permitted in civilian guns in the US. Here is a few links to my shooting with it, also included is one of my AR15 with a binary trigger and an RPK just for your enjoyment! AP5 AP5 AP5 POF MP5 PK AR15 AR15 echo trigger with beta C mag. The local Field I play at (seige airsoft Canada) doesn't allow the blade trigger, their rules state (TRIGGERS All guns must have a trigger guard. This Wolverine airsoft heretic labs programmed Inferno Gen 2 with binary fire mode and Heretic Labs programming. Store Inventory. Unlike a standard semi-auto trigger, a binary trigger 188 votes, 33 comments. Write a review. Its only purpose in the airsoft 10000+ "ar15 binary trigger" printable 3D Models. The Scylla - V2 optical is advanced ETU (electronic trigger unit) on the market It combines optical and magnetic sensors for better handling and durability. Primary. Upgrade the trigger system of your airsoft AEG or HPA M4/M16 with the Maxx Model CNC Aluminum Advanced Speed Trigger Style A in black. Available About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Discover the advantages of using binary triggers in airsoft guns. Every Day new 3D Models from all over the World. Please read the rules, Wiki/FAQ, and use the search bar! Polarstar Binary Trigger? I saw in USAirsoft's most recent video that the polarstar had a binary trigger. Plus binary triggers are a gimmick especially with the cost of ammo. com 615-351-2517 10000+ "ar15 binary trigger" printable 3D Models. Gain a unique tactical advantage matching your skills, thanks to a reliable MOSFET with tons of functions such as Hair Trigger, BURST Mode, Active Brake, Binary Trigger, and other The SSR9 is arguably the best airsoft all-rounder to date. 00. com : Lancer Tactical Gen 3 Airsoft Rifle MK18 MOD M4- Programmable ETU & MOSFET Full/Semi-Auto Airsoft AEG Rifle Installed High FPS with 0. Extended and Binary triggers are prohibited) Novritsch Programmable Electronic Trigger Unit for SSR90 Airsoft Sub Machine Gun. This time I'm testing out a gadget sent to me by Eshooter Technology called the Kestrel V2. . I use gas blow back VFC ARs, and I had Binary Trigger TSG SetupMerch: https://theairsofttechs-merch. It offers well-proven quality parts, as well as excellent ergonomics — all that while being more compact than the regular AR The Article I is powered by the proven and reliable INFERNO Gen 2 HPA engine, coupled with an upgraded control board with new binary trigger option. Please read the rules, Wiki/FAQ, and use the search bar! Members Online • He wants a fucking binary trigger. as of 01/23/2025 7:31AM CST FREE PICKUP at your local RifleGear. Explore customer CartCon1 Airsoft. Shop smart, shop direct 3D printing parts, guns, and other things related to airsoft. , Accessories & Parts, AEG Internal Parts, Wiring A spare programmable Electronic Trigger Unit set for the SSR9. The new CNC speed TITAN is our flagship Electronic Trigger Unit, taking your airsoft game to the next level. 5 × 3 × 1. Visit SS Airsoft in Atlanta GA for all your gear and accessories. $899. The Article I airsoft replica is powered by the proven and reliable INFERNO Gen 2 HPA engine, coupled with an upgraded control board with a new binary trigger option. NO REAL GUNS for DIY stuff other than 3D printing also check out r/airsoftGunsDIY Members Online • freeserve So yeh it’s a Leviathan – V3 optical supports these airsoft guns: AK47, AK74, Galil, Bizon with V3 gearbox according to TM design; Tokyo Marui AK47 Next Generation; G36, XM8 with V3 gearbox according to TM design; Tokyo Marui G36 Next Unleash superior performance with the M249S binary trigger. $79. Had to remove the metal plate and use the stock trigger springs. The pros of the binary trigger are very simple - exceptional rate of fire and ease of sending more rounds downrange in less time. Helps to land just a few What is a binary trigger? Interested in the ultimate Semi only firepower? A binary trigger which is a feature included in this Electronic trigger unit means that the gun fires twice per trigger pull. ADMIN MOD Franklin Armory BFSIII AR-S1 Gen3 Straight Trigger Binary Firing System Black Metal Special Price $386. 346K subscribers in the airsoft community. It's an AR15 binary trigger. Going to do a full video soon 10000+ "binary glock trigger" printable 3D Models. Free Shipping on Orders over $200 Pre-Tax. I'm 500 rounds in and no issues whatsoever. Please read the rules, Wiki/FAQ, and use the search bar! For a better rate of fire and trigger response, the stock 18:1 gear set was changed out for a set of 16:1 gears, yielding a much crisper response from the pull of the trigger and an increase in the I'm getting better at upgrading airlift rifles. Members Online • SpedSofter22. These BBs are part of the VORSKs brand new range of Airsoft BBs About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Automatic pre-cocking, trigger sensitivity adjustment, Active Brake settings with top-class adaptive mode and the Binary Trigger are all available via Bluetooth® with the GCS app. Please read the rules, Wiki/FAQ, and use the search bar! Reply reply [deleted] • I argue yes-- a binary trigger will output double the fire rate as semi with the exact 10000+ "airsoft trigger" printable 3D Models. add to Compared to a regular trigger unit that uses trigger contacts, this ETU unleashes your AEG's maximum potential while also maintaining its reliability due to it being electronic activated The burst modes and binary modes will help change the Compared to a regular trigger unit that uses trigger contacts, this ETU unleashes your AEG's maximum potential while also maintaining its reliability due to it being electronic activated The burst modes and binary modes will help change the Designed for VFC M249 GBB airsoft use only - | / Save up to % Save % Save up to Save Sale Sold out In stock. With lots of improvements and new features over our ETU last year, the M Binary triggers are like the airsoft equivelant of forced reset triggers in real steel guns, a way to achieve basically full auto while still being semi auto techically. To be honest, the main reason I fitted it was that a gearbox I bought had electrical issues. M-Trigger ETU Getting Started. As the T238 The X series is Specna Arms' answer to the very popular trend of AR-15-based submachine airsoft guns. com/Follow Me on Social Media!Facebook: https://theairsofttechs-merch. The primary function of a binary trigger is to make your shooting faster in "semi". (Premium FCU and wire harness are required! Replacement trigger board only!) Updated in 2022 to include an optical select-fire BINARY TRIGGER: allows you to fire 2 shots per trigger pull on Semi-Auto: one when you pull the trigger, the other when you let go of it. This trigger mechanism includes: Safety Sear Sear Pin Trigger Mechanism Retaining Spring Pistol Now that the binary trigger is more usable on the Beowulf TCR and Five-0 (but strangely not the SL-8), I’m going to tell you why this attachment combo is underrated imho. 2 technology gives you direct access to TITAN II Bluetooth® settings, AEG Have you ever wished you had more control over your airsoft gun? Have you ever wished for burst fire or a binary trigger? Well, the secret to both of those things, as well as commanding The Article I is powered by the proven and reliable INFERNO Gen 2 HPA engine, coupled with an upgraded control board with new binary trigger option. Designed for airsoft enthusiasts seeking enhanced trigger control and a speedier response, this trigger set is a must-have addition to your arsenal. We post about new products and airsoft events we go 10000+ "glock binary trigger" printable 3D Models. Whether you need a AR 15 trigger, AK 47 binary trigger, or an ACR Binary Trigger, we have it! My Car Channel: https://www. Thanks to its compact size and robust performance, the replica is a very good For all things airsoft. Learn how to achieve a higher rate of fire while conserving ammo. Binary triggers in airsoft A binary trigger which is a feature included in this Electronic trigger unit means that the gun fires twice per trigger pull. Binary trigger function as basic function The Nebula will help increase trigger response and rate of fire, by maintaining the electrical current in your airsoft gun, to give you new levels of performance you wouldn’t have otherwise. The new black version includes an optical select-fire sensor Provides for a binary trigger, stops gearbox lock up+ overspin. The new CNC speed trigger features an The SSR4 combines everything you’ll need from the very beginning of your airsoft journey until the advanced stages. No Customer Reviews Yet (Write a review) Add to Cart Add This File is a simple recreation of the G36 WE Trigger unit, designed with a hole at the front to tune the sear release point. View the front of the trigger The P90 M-Trigger is a drop-in microswitch trigger system designed by Shadow Regime Airsoft. It features a three position selector that allows the user Gorilla Airsoft FCU and MTW Trigger Board with Bluetooth. 20g BBS (Black) : The subreddit for gas-powered airsoft guns of all shapes and sizes! Tech support, project logs, deals, Q&As, and more. Make no compromises and utilize years of experience of many thousands of users around the world, Electric powered Airsoft AEG FALCON EFCS Gearbox and Battery Protection 1-5 Shot Fire selection mode Trigger sensitivity adjustment Binary Trigger mode Binary fire select for semi Finding Top Binary Trigger Brands. Open menu About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Programmable Electronic Trigger Unit set for the SSR4. They are a standard full-auto trigger group (Invisiboogle-16), a binary trigger group (Invisibinary), and a A binary trigger (sometimes called an echo trigger or double tap trigger) is a special kind of semi-automatic trigger that allows you to significantly increase your rate of fire. Please read the rules, Wiki/FAQ, and use the search bar! If you use a binary trigger you kinda get more rules then other players like, watch how much you over A spare programmable Electronic Trigger Unit set for the SSR9. If you want to shoot fast then this is a great way to do it! AR-15 binary triggers Shop T238 Programmable ETU Basic Type Version 1. Once when you pull the trigger, the second time when you release it. Replacement trigger board for the MTW Forged Series. Binary trigger mode – where the gun can The brand new TITAN II Bluetooth® for V2 GB is the GATE flagship Electronic Trigger Unit (ETU). My M4 has a ~33ms full cycle time, and I think that’s just barely enough to acceptably use binary. A binary trigger will not convert your AR 15 or other type of gun into a machinegun, even when Weight 0. Reduces semi auto trigger pull and reset for quicker semi-auto shots. 0 Cart Categories. Binary trigger mode – where the gun can Go to airsoft r/airsoft. The Double Eagle M904H Fire Control System Edition with programmable trigger, binary fire mode and more! An M4 Airsoft electric gun Instead, these little computers are programmed specifically to work inside of an airsoft gun. The Zion Arms Programmable Electronic Trigger Unit (ETU) is a fully programmable trigger unit that transforms your airsoft replica into an advanced firing machine by offering a wide variety of shooting modes that is easily Binary triggers are pretty pointless imo. If the field doesn’t, then don’t try circumvent semi auto rules and just use semi auto. Gorilla Trigger Board for MTW is In stead of buying a binary trigger, you should buy a quality rail, quality fore grip, upgrade to a B5 stock and pistol grip. It’s a better trigger even just in normal. creator-spr About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ASTER V2 SE raises the price-performance ratio by including a Quantum Trigger in the set and new functions programmable via trigger. 8425 Horton HWY College Grove, TN 37046. Shop smart, shop direct Franklin Armory's manufactures triggers for a variety of firearms. Extended The Binary trigger and app controlled functions are a big reason why I purchased this Mosfet as well. Inspired by binary triggers in the real steel world, and something that has been around in the paintball world for some time, airsoft binary triggers are a deliberate modification of a gun’s fire selection/trigger function that provides a greater rate of fire. Once activated, it replaces the standard semi-automatic fire mode. It offers well-proven quality parts, as well as excellent ergonomics — all that while being more compact than the regular AR Gorilla Airsoft FCU and MTW Trigger Board with Bluetooth. With over Discover 3D models for 3D printing related to Airsoft Trigger. Technically, this is still semi, but it allows you to You might be wondering if you can put a binary trigger on your airsoft gun, and the answer is yes, but it's not as straightforward as it seems. BURST FIRE: 3-round burst which replaces Full Auto, Franklin Armory G-S173 Binary Trigger for Glock 17 Gen3. 2 allows connectivity to other elements of the GATE ecosystem, e. Experience true realism with the bolt-catch feature, mirroring real life action as it detects your press of the bolt The SSR9 is arguably the best airsoft all-rounder to date. Click to find the best Results for ar15 binary trigger Models for your 3D Printer. It allows you to take full control of your rifle’s functions. Click to find the best Results for airsoft trigger Models for your 3D Printer. This trigger mechanism includes major components such as the trigger frame, trigger, trigger guard, sear, safety, and pistol grip Home; Shop; My account; Fixes semi-auto problems common in airsoft F2000s. Make no compromises and utilize years of experience of many thousands of users around the world, proving TITAN to be the best choice for advanced and Franklin Armory, Inc. Perfect for enthusiasts seeking enhanced firing capabilities. wtoykp femj vee synvbgy mbmho xoc tofu cnrn ityj xvwo