Aug barrel and receiver for sale. I hope this helps Tnsteyr Thanks for the info.

Aug barrel and receiver for sale. 223 Apr 8, 2024 · Steyr Arms AUG chambered in 300 Blackout. The AUG A3 M1 boasts an overall length of just 28. These AUG NATO conversion kits are made by Heresy Design and will increase you rifles caliber flexibility . Ops. 56, and 9MM. 56 is a bullpup rifle chambered in 5. For the first time in many years, Steyr is releasing a 1:7 twist barrel to properly stabilize 75gr and 77gr 5. The Nylaug is a printable receiver for the famous Steyr AUG. Tailor your AUG with custom components that offer enhanced performance and unique customization options for your firearm. 56 NATO Conversion Kit features a restrictive 3-setting adjustable gas system that eliminates piston pop and reduces venting noise. 15 inches, including its 16 inches heavy barrel, making it at least 8 inches shorter than an M4 carbine with a comparable-length barrel. 56x45mm NATO Action: Semiautomatic, gas piston operation Trigger: Single stage Safety: 2-position trigger block Barrel Length: 16 inches (heavy barrel) Barrel Twist Rate: 1:9" Barrel Oct 15, 2023 · 3D Printed Aug Bullpup chambered in 5. 56 acp. 56/. 5x is The AUG originally developed by Steyr of Austria was one of the first widely accepted bullpup style assault rifles. Oct 16, 2025 · The Steyr AUG HBAR, which stands for Heavy Barrel Automatic Rifle, is a specialized variant of the AUG designed to excel in sustained fire and accuracy. Check out HERESY DESIGN INC. Jun 24, 2009 · Steyr AUG A3 design details and wear at 1000 rounds. You're accessories also must be model specific, A3 Sa rails don't work on A3M1. 56x45mm to . 56mm 20" in sleek black. Steyr Aug A3 M2 NATO Ext. 5x is constructed of 70 series Get Steyr Model AUG rifle parts, accessories and more with Numrich Gun Parts Corp. 300 Blackout)Receiver material: Hard Eloxal-coated aircraft aluminumBarrel Length: 16" Barrel Material: Mannox-lined (nitride) Cold Hammer Forged Rifling: 4 groovesTwist: 1:8 RH Magazine: 30rd PloymerSights: 1. 3, & P17 Rifle Receiver, Bolt & Barrel Parts Stock Parts British Mortar and Cannon Parts and Accessories Boys Anti-Tank Rifle RB Mk1 Steyr AUG 9mm Registered Receiver with Suppressor ! available at OTBFirearms. Steyr Aug/ A1 Special Receiver 5. Barrel group AR 15 Stripped Upper Receivers for sale at Primary Arms. Buy Steyr AUG online at Omaha Outdoors. The AUG A3/M1300 Blackout For the first time ever, Steyr Arms USA is offering a very limited run of the . Steyr AUG 9mm Police Training Kit. 56x45. Steyr AUG A3 with Surefire X300 on the side rail, Aimpoint Micro on a KAC mount and HK416 sights as BUIS. This barrel comes with a 1:9 twist and has a tulip style flash hider. Steyr Arms Aug A3 M1 Ergonomics While the AUG has been made in a few different configurations, the control layout remains the same. Please scroll down The iconic bullpup-style Steyr AUG has been one of the most recognizable rifles in the world since its adoption by the Austrian army in 1977 and is now available for civilian use as the Steyr AUG A3 M1, a semi-convertible ambidextrous rifle platform with an adjustable short-stroke, gas-piston operation chambered for 5. 56x45mm NATO, 16" Barrel AR Rifle - Bullpup Design, Reliable, Tactical Accuracy for Professional Use - AUGM2GRNNATOEXT $2,885. The increased diameter of the barrel was designed for extended fully-automatic fire and heat control. The multi-configurable M1 variant of the AUG A3 platform is the The AUG HBAR barrel returns to the USA. 375-inch chrome-lined steel barrel with an attached muzzle brake for unmatched maneuverability and rifle level accuracy. These right-hand parts kits are the real deal and increasingly hard to come by! The parts have been Parts kits from military surplus firearms for AK, AK47, AK74, PPSH, RPD, RPK, M72, M70 AKM, M16, PPS, CETME, G3, MP5, STEN, 1919, DSHK, M2HB The iconic bullpup-style Steyr AUG has been one of the most recognizable rifles in the world since its adoption by the Austrian army in 1977 and is now available for civilian use as the Steyr AUG Sales Of Steyr AUG Rifles To PD Swat Teams Exclusive PJA 100 Pre-Ban Steyr AUG A2 Receiver Upgrade - 1999 PJA Exclusive 200 24" Steyr AUG Barrels Import Special Buy - 2001 PJA Exclusive 150 14" Steyr AUG Barrels Special Buy / Importer - 2002 The AUG A3 M1 boasts an overall length of just 28. Upgrade your Steyr AUG with the Original Malaysian Steyr AUG Stock, Bolt, and Trigger Pack - a set of essential components designed for precision and reliability. 56 Black Extended rail Steyr AUG A3 M1 Semi Automatic Rifle 16" Cold Hammer Forged Mannox Lined Barrel NEW Thread pattern 1/2 x 28 for a wide variety of Muzzle devices an suppressors 1:9" Right Hand Twist, 6 Groove Rifling Adjustable Short Stroke Gas Piston Accepts Steyr AUG Magazines 30 Round Magazine Extended Picatinny Rail System Hard Eloxal-Coated Aircraft Aluminum The iconic bullpup AUG has been one of the most recognizable rifles in the world since its adoption by the Austrian army in 1977 and is now used by international military units. This barrel has a 1:9 twist rate, a 1/2" x 28 barrel thread pitch, and a tulip-style flash hider. 56 NATO 20″ Barrel 40Th Anniversary Edition Specifications: – Operation: Adjustable short-stroke gas-piston semi-automatic – Magazine type/capacity: Polymer double-stack detachable box/30 rounds (10- and 42-round avail. Oct 25, 2024 · A1 Charging Assembly, In Receiver Pic A1 Green Charging Handle Pic $45 Barrel Lock Plunger & Spring Pic $30 Barrel Quick Release Button & Grub Screw Grn Or Black Pic Set Of 3 New A2 Style Scope Adjust Knobs Pic $15 Front Sling Pin On Receiver Pic Get the best deals for Steyr Aug Barrel at eBay. With the STG77 receivers sold, they're moving onto blemished M1 stripped receivers and matching carriers for $850 plus shipping. Rail Black W/ Bolt Release. Jan 26, 2025 · Does Steyr ever make AUG receiver groups available for sale? Considering the modular nature of the platform and the fact that Steyr Arms USA’s store seems to be stepping up its game, it seems like an opportunity to continue that drive. 223 Steyr Arms AUG with bolt release. S. 56 NatoCapacity: 30Action: Semi-AutoBarrel Length: 20"Barrel Material: Mannox-lined (nitride) Cold Hammer Forged Accessories: 1. 56x45 caliber. Perfect for tactical use or competition. The fire-control heart of the NylAUG is our specialty: a tuned AR-15 fire control trigger pack — in our opinion one of the best semi-automatic AUG trigger solutions on the market. 16″ barrel with 1/2×28 American threads with your choice of fore grip (Black, Green, Mud, White). Discover our AUG A1 Parts Kit. The Heresy Design™ 5. This barrel has a 1:9 twist rate and a "Tulip" style flash hider and bayonet threads. 56x45mm barrel can be removed and replaced with the . All AUG HBAR barrels ship with the classic, aggressive vertical recoil mitigation muzzle device and adjustable-cant bipod. Parts are available to the public for self installation, but they can also be installed by our highly trained gunsmiths. Std. These parts are from Military Surplus rifles and were demilled and disassembled from Select fire rifles Convert your Steyr AUG rifle to 7. May 23, 2021 · It's the Receiver that makes the difference and the trigger pack for the years of the AUG. 56x45mm NATO Twist Rate: 1:9" Orientation: Right Safety: 2-Position Trigger Blocking Barrel Material: Cold Hammer Forged Receiver Material: Aircraft Aluminum The Steyr Arms AUG A3 is a top-tier semi-automatic rifle chambered in . 15-inches long but features a threaded 16. The classic "space gun," the AUG has been an icon ever since its introduction in 1977, appearing in dozens of video games, movies, and TV shows. Own the iconic Steyr AUG A3 M1 in 5. 300 AAC AUG standard (Austrian magazine) version. Choose either a 16" or 20" barrel with 1/2x28 American threads or 13x1 Metric threads with your choice of fore grip. America’s leading rifle parts supplier. FINALLY! The AUG 1:7 twist 20″ heavy barrels are here. New and certified used handguns, shotguns, rifles FEATURES The Steyr AUG Barrel 5. Omaha Outdoors has custom and factory in stock Steyr AUG models for sale. With the classic design of the M16A2, this piece offers the perfect blend of the past's robustness and today's advanced features. Steyr Arms AUG replacement barrel that fits the A1 to new AUG A3 M1. Choose between Green, Black, Mud, or White grip. Sold as a parts kit (as pictured). Barrels from Any of the Aug's can be used from A1 to A3M1. Available in . 49 Compare (1) Series/Collection: AUG A3 M1 Action: Semi-Automatic Magazine Type: Polymer Double-Stack Detachable Box Stock Type: Fixed Bullpup Trigger Type: Single-Stage Muzzle Type: Muzzle Brake Magazine Capacity: 30 Caliber/Gauge: 223 Remington/5. This 16 inch barrel for the AUG converts the AUG from 5. Find Steyr AUG rifles for sale on Gunprime. deals Dec 11, 2020 · A black Steyr AUG receiver. With just a push of a button, the 5. 300 Blackout 16" 30rd Rifle w/ 1. Featuring a 16-inch barrel with a black finish and a gas piston operating system, the AUG A3 delivers Mar 24, 2025 · Elevate your Aug or Nylaug firearm with our precision-engineered 300 Blackout barrel, measuring 16. 5x 70mm SF Mildot integral optic. 5 inches for enhanced performance and versatility. 56×45 and . The HBAR’s classic profile brings both form and function, pushing a 55gr 5. 56x45mm and heavier, and a “Tulip” style flash hider and bayonet threads. Boasting a 1:9 twist rate and a 1/2" x 28 barrel thread pitch, it features a tulip-style flash hider for enhanced performance. 56mm. Key Features: Retro A2 Style: Marrying the classic M16A2 and modern AR15 designs, this A2 . With smooth lines, excellent reliability, and a wide range of barrel lengths, furniture colors, rail configurations, the AUG is just as potent Parts and accessories for the Steyr AUG, Steyr hunting rifles, and Steyr handguns. Wide variety of Steyr Arms firearms available now including the very popular Steyr Aug. But don't let the fame fool you - the AUG is not just for show. Description This replacement barrel fits all models of the Steyr AUG, and will fit in any prior model from the A1 to the new AUG A3 M1. Semi auto 5. The STEYR AUG SA is the civilian version of the world-famous STEYR AUG – a gasoperated semiautomatic rifle with a Picatinny rail (Mil. Steyr AUG Barrel, 5. Choose either a 16″ or 20″ barrel with 1/2×28 American threads with your choice of fore grip (Black, Green, Mud, White). 62x35mm (. SME Contract AUG Parts Kit The Steyr AUG has been developed since the late 1960s by the Austrian Steyr-Daimler-Puch company in conjunction with the Austrian Army. com database to shop for guns, ammo, mags, optics and more. Sells Of Steyr AUG Parts To U. If you're thinking of this for your first AUG, probably not the best deal once you add everything up Sep 10, 2010 · Pre-Ban Steyr AUG/SA-A1 With Special Receiver, Hensolt Scope, and Black Stock for sale online. With a compact bullpup configuration and a durable synthetic stock in sleek black, this firearm offers an optimal balance of agility and ruggedness. These are serialized and do require an FFL. Experience authenticity and enhance your AUG's performance with this valuable set. Sells Of Steyr AUG Rifles To PD Swat Teams Exclusive PJA 100 Pre-Ban Steyr AUG A2 Receiver Upgrade PJA Exclusive 200 24" Steyr AUG Barrels Special Buy PJA Exclusive 100 14" Steyr AUG Barrels Special Buy / Importer 20 Steyr AUG 9mm 5th Gen. Originally designed to be paired with the 42 round AUG waffle magazine, the HBAR allows for extended and controllable strings of fire. Buy it, Build it, Shoot it! The barrel and gasblock are matched and tuned separately from the fire control components to ensure consistent gas timing and reliability across builds. com. Get yours while they last and build your dream AR. These in particular were SME produced AUGS in Malaysia. 223 Rem. The multi-configurable M1 variant of Steyr Aug A3 M1 . 56 round at upwards of 3280 fps (1000m/s). Extended Rail QD Sling Swivel Spots Folding Charging Handle Birdcage Flash Hider 30 Round Mag Steyr Aug A3 M2 NATO Ext. This barrel has a 1:7 twist rate optimized for 70 grain 5. 99 Add to Cart APEX Gun Parts is your source for hard to find gun parts, parts kits, and accessories. Requires stock, barrel, charging handle and trigger pack. 300 AAC Blackout, designed for exceptional performance and versatility. We only stock tried and tested accessories, components, and parts for Bullpups! IWI Tavor, IWI X-95, Kel-Tec KSG, FN PS90, Steyr AUG, Kel-Tec RFB, Kel-Tec RDB, Desert Tech SRS, and many more A specialized community for Steyr AUG owners to show off configurations, discuss modifications, and talk about upcoming products. CHECK LOCAL STATE LAWS IF UNSURE BEFORE PURCHASING Birdcage Flash Hider 30 Round Mag Steyr AUG A3 M2 NATO Extended Rail AUGM2BLKNATOEXT. It comes with the 1. Here's a breakdown of its key specifications and features: Specifications: Caliber: 5. This barrel comes with a 1:9 twist and comes suppressor-ready for 1/2×28. 223 Remington) ammunition. 303 P14, No. 5X 70mm SF OpticSafety: Two-position cross boltStock type: Synthetic Bullpup Stock Color: OD GreenIncluded accessories: Owner’s Steyr Arms Aug STG77 223 Re/5. I don’t think that’s advisable on any level… perhaps I don’t understand the design but this isn’t Because the rail is attached to the gas-block and not the receiver, this rail does not affect that QD barrel feature of the AUG and allows for barrel-specific attachments. With the Nylaug, you can reactivate an Aug surplus parts kit and finally have a functioning Aug to call your own! Find Steyr Arms AUG A3 M1 for Sale. 56x45mm (. Selectfire trigger pack can be switched between full auto and 3 round burst. The black foregrip comes pre-installed. This AUG kit contains a bolt, bolt carrier trigger group and all small parts except the barrel & receiver Bullpup Armory is dedicated to the Bullpup. It's a registered receiver Aug which you don't encounter very often. 300BLK, 5. The receivers have been coupled with the issued AUG 1. SHowcasing quality black coated Chrome-Moly 4150 steel construction, this Steyr AUG 20" barrel will fit any prior model from the A1 to the newer AUG A3 M1. Available in 5. The iconic bullpup-style Steyr AUG has been one of the most recognizable rifles in the world since its adoption by the Austrian army in 1977 and is now available for civilian use as the Steyr AUG A3 M1, a semi-convertible ambidextrous rifle platform with an adjustable short-stroke, gas-piston operation chambered for 5. Aug 22, 2019 · Steyr Arms USA is now offering the Corvus Defensio M-LOK Forward Accessory Rail and the A3 M-LOK Receiver Rail for the Steyr AUG. The short-stroke gas-piston operation of the AUG runs exceptionally cleaner by nature because all of the operational exhaust gas vents out of the front of the rifle. This SME parts kit contains a bolt, bolt carrier trigger group and no the barrel & receiver This replacement barrel fits all models of the Steyr AUG, and will fit in any prior model from the A1 to the new AUG A3 M1. 15 inches, including its 16-inch heavy barrel, making it at least 8 inches shorter than an M4 carbine with a comparable-length barrel. Military S&W and Webly Pistol Parts Lewis Machinegun . 99 $2,599. I hope this helps Tnsteyr Thanks for the info. These barrels, like all Steyr barrels are Cold Hammer Forged in Austria and turned here in the USA. We specialize in all military surplus weapons from AK-47s, AR-15s, Mausers, CETME, Enfields, UZIs, and much more! We set ourselves apart by supplying unique parts at a good value and standing by our products by offering outstanding customer service. Limited availability—order now! Green Austrian STEYR AUG Parts Kit with Sling & Cleaning Kit, 5. Choose either a 18" or 20" barrel with 1/2x28 American threads or 13x1 Metric threads with your choice of fore grip. The muzzle threads are 1/2 x 28". 56x45 NATO, in *Good* condition. The charging handle sits on the left side of the receiver under the optics, the front grip can sit vertically or horizontally and assists in barrel changing, the cross-bar safety sits above the pistol grip, and the magazine release sits behind the magazine for The AUG A3 M1 boasts an overall length of just 28. Conversion Kit Importer 25 Steyr USR 18" Barrel Welcome to the Steyr Arms Gun Parts section of Midwestgunworks. 56x45mm/. We carry a large selection of Transferable Machine Guns in stock & ready to ship! Steyr Arms on SALE. 223 and is semi automatic with a 16" barrel. This barrel fits all models of the Steyr AUG. Crafted from premium Chrome-Moly 4150 steel with a durable black coating, this barrel is compatible with all Steyr AUG models from the A1 to the latest AUG A3 M1. 56mm, featuring a 16" barrel, bullpup design, and extended rail. 5 Optic. This SME parts kit contains a bolt, bolt carrier trigger group and all small parts except the barrel & receiver Description This replacement barrel fits all models of the Steyr AUG, and will fit in any prior model from the A1 to the new AUG A3 M1. 9x19mm AUG barrel kit with 28 round magazine, trigger pack and bolt carrier group. 9MM LUGER CONVERSION KIT FOR STEYR AUG® available Online at Brownells Today and many more Rifle Receivers & Parts products are available in our Gun Parts Department. STEYR AUG-A3 M1 223/5. Steyr Aug A3 M1 Receiver The Steyr Aug is a premium option for those in the market for a bullpup rifle that checks all the boxes for ergonomics and comfort! This is the proprietary mag version and does not accept NATO magazines Manufacturer: SteyrModel/Series: AUG STG-77Caliber: 223 Rem / 5. 56x45mm Military Surplus Condition is Fair to Good and will show signs of usage No FFL Required, this is not a complete firearm Imported Surplus Steyr AUG Rifle Parts Kits, Chambered in 5. Convert your Steyr AUG to different calibers with a simple barrel swap. Oct 11, 2016 · AUG Mags, 30s, 42s, Picatinny Grip Rail & AUG A3 Scope The hardest parts to get are a barrel and receiver but they are bolth expensive and bolth aren't common. This high-performance rifle is only 28. 1913) which allows quick attachment of various optic devices. These are serialized and do require a FFL. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Steyr AUG Parts and Accessories, AUG-A3, USR, RTG Parts Search the Guns. ), . Very nice The Steyr AUG A3 M1 NATO 5. 300 AAC Blackout. The AUG stands for Armee-Universal-Gewehr in German, or Universal Army Rifle. These kits are complete, Less the receiver and barrel assembly. Elevate your firearm collection or augment your AUG today. Discover our Steyr AUG Parts Kit, made in Austria. APEX Gun Parts is your source for hard to find gun parts, parts kits, and accessories. This barrel ships with the standard AUG gas regulator with settings for STANDARD; ADVERSE; and OFF. These 20″ Steyr AUG Barrel- Green1255010663. 56mm 20", Black. IF you can find the receiver it self its gone be at least $1,200 and the barrel at least $500 so at that rate no way you can find a stock for less than $100. 56 NATO for tactical and home defense use. The Steyr AUG A3 M2 is a distinctive and versatile rifle, well-known for its bullpup design and robust performance features. Description Steyr Arms AUG A3 M2, 300 Blackout, 16" Barrel, 30 Rounds The AUG A3/M1 300 Blackout For the first time ever, Steyr Arms USA is offering a very limited run of the . Oct 1, 2023 · How does it solve the problem or get around the lack of trunnion to lock in the barrel to the receiver? If the design of the printed receiver incorporates printed barrel lugs, if those lugs fail, then you’re having a pressure release inside the printed receiver inches from your face. Features an extended rail with plenty of space for your favorite optic or tactical accessory. Just released. 300 AAC Blackout, and 9x19mm. Other features include a QD sling swivel slots and a birdcage flash hider. We are glad to be able to offer parts for most current production Steyr firearms. ) – Receiver material: Hard Eloxal-coated aircraft aluminum – Caliber: 5. This conversion rail was designed primarily for mounting Picatinny accessories to the Corvus Defensio M-Lok Forward Accessory Rail and the Corvus Defensio A3 Receiver Rail 35-Slot. 300 AAC Blackout barrel. 56mm (R26111) for sale online. Discover the precision and durability of NYLAUG - our Nylon 3D printed parts for the STEYR AUG. This Steyr sports the Light Machine Gun Barrel in 24 inch 5. 62x39 caliber that made the AK-47 rifle platform famous. Filter products to compare by specs and price. Basic field strip into groups. Since I am more of an AR and AK person I have alot to learn about AUG's. This new AUG A3 model is chambered in 5. Designed for extended use in harsh environments, the SF 1. Midwest Gun Works Gunsmiths can offer you the knowledge and skill that your Steyr Arms firearm deserves. Designed with a polymer body and two-stage trigger mechanism that allows you to fire semi and full auto by pulling the trigger to different depths. I included some AR parts for comparison since many people are more familiar with those. Government Spec. A2 Stripped Forged Upper Receiver - Black Step into the realm of high-quality construction with our A2 Anodized Stripped Forged Upper Receiver for the AR15 Rifle Platform. Jul 28, 2020 · A black Steyr AUG receiver. 56x45 NATO, 16" Threaded Barrel, 30 Rounds ODG $1,846. We've got billet and forged stripped uppers. Mar 26, 2024 · After the assault weapons ban happened and the lull in Aug availability it’s been said that when the Aug A3 SA was launched using Sabre to manufacture the barrels and receivers, Sabre used forgings that they machined the rest of the way (partially confirmed by that link below about Sabre selling a bunch of anchor Harvey unfinished housings Description This replacement barrel fits all models of the Steyr AUG, and will fit in any prior model from the A1 to the new AUG A3 M1. Feel free to post anything AUG related though. The cold hammer forged and hard chrome plated barrel with a twist rate 1 in 9” guarantees high reliability. Contents of cleaning kit may vary, sling may be incomplete or have a broken binder, may or may not include sight tool Product Description Features Fully Licensed by Steyr Arms High Strength Polymer Receiver Full Metal Barrel Assembly Metal 20mm Weaver Scope Rail for your choice of Optics Ergonomically Designed Grip and Stock Integrated Folding Vertical Grip Reinforced 8mm bushing gearbox w/ quick change spring system Armee-Universal-Gewehr (Universal Army Rifle) or AUG is a futuristic assault rifle developed Our Assessment: The Steyr AUG A3 M1 in 5. With smooth lines, excellent reliability, and a wide range of barrel lengths, furniture colors, rail configurations, the AUG is just as potent Renowned the world over for its fine Austrian craftsmanship, Steyr Arms has been manufacturing high-precision hunting and tactical firearms since 1864. If you have extra parts this will be a good deal. 5X Circle Dot OpticHand: Right HandOAL: 34"Weight: 9. Make: Steyr ArmsModel: Aug A3 M1Caliber: 7. Rail MUDW/ Bolt Release- AUGM2A3MUDNATOEXT. 88 lbsFinish: OD Green Click Here To Learn More! AUG AUG Gearbox Reinforcement Support Plate | Forest Green Full Metal AUG Upper Receiver Quick Detach Barrel Mount AUG Upper Receiver Charging Handle Replacement | Black Full Metal AUG Upper Receiver Quick Detach Button Lever Assembly Replacement AUG Outer Barrel & Hop Up Replacement | Includes Compression Spring Steyr Arms AUG Rifle Kit Features Imported Surplus Steyr AUG Rifle Parts Kits 5. 56 NATO with a 16-inch barrel and a mud-finished receiver is a modern iteration of the iconic bullpup rifle, known for its compact design and advanced ergonomics. Compare prices for in stock Steyr Arms AUG A3 M1 guns from more than 100 stores online on gun. The 3D printed NylAug is designed in combination of 3D filament and light metal work. Steyr Arms AUG A3 M2 5. 5X Steyr Optic - AUGM1BLKEXT300SP For the first time ever, Steyr Arms USA is offering a very limited run of the . 223 Rem projectiles. It features a heavy, thicker barrel compared to standard AUG models, which enhances its ability to maintain accuracy during prolonged shooting sessions by dissipating heat more effectively. Heresy Design Conversion Kits for Steyr AUG. g1fi kh6 em lykro qjuyeep zot z8ai ltg grniyj mo2