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M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] +14 photos M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 URG-1 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T]

M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T]

S&T  STAEG3109BSB | kcots fo tuO
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  • Technical data

    Manufacturer: S&T
    Code: STAEG3109BSB
    EAN 5904420020073
    Weight 2325 g
    Replica Model AR15 / M4 / M16 Airsoft Gun
    Color black
    Material aluminum, polymer, steel
    Magazine model mid-cap
    Fire mode auto, single
    Magazine material polymer
    Accumulator included in set NO
    Accumulator connector type T-connerctor
    Gearbox version v.2
    Bearings type steel sliding
    Bearings diameter 8 mm
    Warranty period 12 months
    Hop up adjustable
    Ammo .25g, .28g
    Serial number YES
    Length 735 mm
    Magazine capacity 120 BBs
    Length of internal barrel 280 mm
    Muzzle energy 1.40 J
    Muzzle velocity 390 FPS with 0.20g BBs
    Diameter of Internal barrel 6.02 mm
    Quantity in package 1 pcs
    Number of magazines in set pcs 1
    ETU MOSFET YES
    Body material metal, polymer

  • Reviews

    • - 12.06.2026 wrote:
      Perfect first replica for beginners. It was a fast delivery. It comes with a test of the weapon for the fps.
      It was my first ordre but definitively not the last!
      The only thing I have to regret is that the cross is a bit mooving, it’s not bad and still pretty usable but I would have appreciate a better one.
      Opinion rating: 0
    • - 12.06.2026 wrote:
      good value for money
      I ordered it upgraded and it has a nice shooting pattern
      I asked for the Fully hop-up. It's a little difficult to adjust but it does its job well

      jó ár/érték arányú
      fejlesztve rendeltem és szép lőképe van

      a Fully hop-up kertem. egy picit nehezkes az állitása de jól végzi dolgát
      Opinion rating: 0
    • - 27.05.2026 wrote:
      The replica is very good it shoots well and feels very good in the hands the only thing is that the stock is wobbly and the gun itself is fairly loud, but I would definitely consider this gun for new airsofters and it's a good choice
      Opinion rating: 0
    • - 13.05.2026 wrote:
      The Gun is good to buy, the price is not too bad and the gun itself is Metal with some polymer parts, it's easy to learn and use it overall I believe is a good starting gun for someone who is starting now on the Airsoft world, I am new my self.
      Opinion rating: 0
    • - 22.04.2026 wrote:
      It is perfect!!
      Good material, good power, amezing design!!!
      If you like M4 you need to buy this and if you a beginner this price and this gun are perfect start.
      This is my second gun and this better Than my first
      Opinion rating: 0
    • - 22.04.2026 wrote:
      Very worth it for its price. I am new to Airsoft, but it feels good quality and the more experienced people in my team really liked it. The build is mostly polymer but it is sturdy and well put together. The weapon is lightweight and very comfortable, ideal for CQC. It comes with a basic pair of sights that are enough for starting, but I will get a red dot as an improvement.

      One thing to keep in mind: if you buy the Li-Po 1100mAh 11.1V 20C Deans battery from IPower, it might not let you fully retract the stock. Not a dealbreaker but worth knowing before you buy. Also, the 210rd EMG STRIKE MAG works great with it if you're looking for a magazine.

      Regarding the shipping, it comes well packaged with a battery adapter, a spare connector and some small tools included, a nice touch.
      Opinion rating: 0
    • - 08.04.2026 wrote:
      Worked super, but broke in 2 days of just normal backyard use. Motor just started sounding like it was blocked and dying and the stock would not click just sliding up and down. Got it sent back waiting for the repair or a new gun. The support for the sending helped with the process.
      Opinion rating: 1
      Odpowiedź sklepu:
      We are deeply sorry about this situation. We have been in touch and the matter is being resolved.
    • - 03.04.2026 wrote:
      Great value for money, this is my first airsoft. (Some friends lured me into playing)

      It's light, easy to use and looks great!

      Can highly recommend it and taiwangun.com.

      As a beginner, it feels really easy to use and it shots really well.

      Opinion rating: 0
    • - 14.03.2026 wrote:
      There is no better begginer replica in the market in my opinion, got this for a friend and I must say we got it on a discount and for the price there is nothing that is this consistant and with good fps out of the box, I strongly recomend this If you want to start your Airsoft journey.
      Opinion rating: 0
    • - 20.02.2026 wrote:
      I've been very satisfied with this airsoft M4 replica so far. It offers great value for the price, as you get a solid, realistic design that looks very professional and feels sturdy in hand. The internal parts are high quality, providing smooth trigger response and reliable performance. Accuracy is consistent at medium range, making it dependable, durable, and an excellent choice for both beginners and experienced players...
      Top!!!
      Opinion rating: 0
    • - 21.01.2026 wrote:
      First of all, it is a excellent choice for the price range. Stock performance is decent, and the quick spring change system is easy to access with only the buffer tube to remove. The body is made of a durable plastic and does not feel cheap at all. Compared to other replica's this one is quite light. I did notice much wobble between the stock and the buffer tube. I solved it with some electrical tape but swapping out the stock would be a possibility. For the price a good starter choice but also a excellent choice as a backup rifle or for upgrading.
      Opinion rating: 0
    • - 19.12.2025 wrote:
      Bought at 95 on black Friday sale for a friend.
      If Taiwangun hold a best first replica to own on a budget these would be one of the top contenders.
      Zero problems,good performance ,nice solid polymer construction and good weight.
      Opinion rating: 0
    • - 09.12.2025 wrote:
      It is a weapon with a reasonable price fff for what it is. It comes with ETU (Electronic Trigger Unit) system which makes it ready for LiPo 11.1. it is light and through the 3 picatinny rails system you can put on it reddot, flashlight, camera, PEQ box ... What I found on my replica: the magwell has a little play, but it doesn't bother me. It also needs a QD sling M-lock mount because the hole for the sling on the frontguard cannot be used. In conclusion - it is an excellent replica at a very good price.
      Opinion rating: 0
    • - 03.09.2025 wrote:
      An exceptionally good replica for the price.

      It is mostly plastic, but not cheap or poor quality. It does not creak or crack. It feels sturdy and well made (the exception is the shoulder rest, as with other M4 replicas, and the sights do not seem to be durable).

      The shooting pattern is surprisingly good, it stably brings the set fps value. With an 11.1 volt battery, its rate of fire is also outstanding. The trigger response also brings performance well above the price level.

      The magazine feeds flawlessly but it wobbles a little in the weapon but not disturbingly.
      The fire selector lever clicks firmly and noticeably into the desired position.
      The magazine catch is also a feature that is not seen on all replicas.
      I can attach accessories to the rails without problem. My red dot, grip and laser stays rock steady on them.

      Hoop-up is rotary type, well adjustable. I used it with 0.28 and 0.30 BBs, it handles both perfectly.


      Overall, an excellent replica for the price. I bought another version of it and I'm planning on getting a 416D as well. :) Buying a red dot is recommended in my opinion because of the weak sights, but you can get by without one, you just have to be careful with the irons.

      I recommend Taiwanguns re-shimming/lubricating package and you can go straight to the field and play with this beauty. No screeching or any other bad noises from the gearbox just the nice snap.
      (I think the replica sounds good, if that matters.)
      Opinion rating: 1
    • - 01.09.2025 wrote:
      I must say its one of the best replicas i have ever used for a starter. It's a extremely good wieght too, only downside is that the stock is bit loose. But some tape could fix that. Thank u for the replica
      Opinion rating: 0
    • - 30.07.2025 wrote:
      Great rifle for a beginner, back up, project rifle or just a player who need a sturdy reliably rifle.
      Build quality is excellent no creaks or wobbles except the stock but is common on most brands a snap bit of electrical tape sorted it.
      Has a good weight to feel strong but light enough for all day play.
      Dean's connection and electronic trigger gives a quick response to hit the target.
      Mid cap feeds flawlessly but recommend getting a few extra I used the bundle for 3 extra mags.

      Overall a great rifle at an an amazing low price but at a quality level way above the price I have rifled that cost almost four times the price and with the exception of the polymer vs metal rail being the only noticable difference.

      Again a 5 star purchase.
      Opinion rating: 3
    • - 30.07.2025 wrote:
      The best entry/mid level player AEG you can buy.
      well made, with a great gear box and a fantastic stock motor.
      No need to upgrade it.
      Inner barrel is cheap and i immediately upgrade it..
      Very different from others "cheaper" Aeg.
      Hopup is a rotary version, sturdy and easy to operate.
      details like charging handle and "bolt cath" are a must ,and not very common ina AEG with this kind of price.
      Opinion rating: 2
    • - 28.07.2025 wrote:
      The best entry/mid level player AEG you can buy.
      well made, with a great gear box and a fantastic stock motor.
      No need to upgrade it.
      Inner barrel is cheap and i immediately upgrade it..
      Very different from others "cheaper" Aeg.
      Hopup is a rotary version, sturdy and easy to operate.
      details like charging handle and "bolt cath" are a must ,and not very common ina AEG with this kind of price.
      Opinion rating: 0
    Add review

You don''t have to be an operator to play like one. — Check out the other products in the series







Replica of the M4 SOPMOD Block 3 11.5 from the Sports Line series by the renowned manufacturer S&T Armament is a solid, compact, and reliable M4 replica at an affordable price. Designed for dynamic CQB gameplay, it offers excellent maneuverability in tight spaces and also performs well in open-field scenarios. The design is based on the classic AR15/M4 configuration, known from films, games, and used by elite military units such as DEVGRU and the Green Berets.

Reinforced nylon body with M-LOCK mounting system

The replica's body is made of durable nylon, more resistant to damage than brittle ABS, while providing a realistic matte finish. For increased durability, components such as the trigger, trigger guard, charging handle, QD mounts, and outer barrel are made of metal, significantly improving the construction's robustness. The replica also features a full 22mm Picatinny rail and a modern M-LOCK mounting system, allowing convenient installation of accessories such as front grip, flashlight, or red dot sight. Everything is very well fitted.

Compact dimensions and CQB-oriented ergonomics

The M4 Block 3 has a length of 73.5 cm, within the optimal 65-75 cm range—perfect for tight indoor gameplay. The replica weighs 2.3 kg, providing good stability while maintaining high maneuverability. The SF-style stock features 6-position adjustment and space for a LiPo battery, allowing customization to the player's physique and increasing comfort during use.

Efficient ETU unit and reinforced gearbox — reliability and speed

Inside, there is a reinforced V2 gearbox with 18:1 steel gears and a modern ETU (Electronic Trigger Unit) system, improving trigger response and protecting the electrical system. Compatible with 11.1V LiPo batteries, it allows achieving around 20 RPS. Quick spring replacement enables easy power adjustment, and available service parts make maintenance and tuning straightforward.

Consistent performance and good accuracy

The replica reaches a muzzle velocity of 390-400 FPS (with optional lower power at purchase) and generates about 20 RPS on an 11.1V battery, comparable to mid-range replicas and clearly surpassing budget models (11-13 RPS). Effective range reaches up to 60 meters, making it highly effective at short and medium distances. Accuracy is ensured by a rotary hop-up chamber, allowing precise and quick adjustment. Inside, a TM-standard bucking makes servicing and replacement easy.

Battery-compatible stock and mid-cap magazine

The SF-style stock accommodates a battery up to 3000 mAh, extending operating time. Included is a 150-round mid-cap magazine that feeds BBs reliably without rattling. The replica is compatible with magazines from other manufacturers (e.g., CYMA, A&K, Double Eagle), facilitating equipment upgrades. Battery and charger are not included.

Over 20 years of S&T experience and thousands of satisfied players

S&T Armament has been operating for over 20 years and has been available in Taiwangun's store since 2021. Over 10,000 units have been sold in the Sports Line series alone, and the new AK Sports Line launched in 2024 sold several thousand units with an average rating of 4.5/5 stars. S&T replicas are valued for durability, functionality, and excellent price-to-quality ratio.

Excellent value — ideal for beginners

The M4 SOPMOD Block 3 11.5" Sports Line ETU is a lightweight, compact, and reliable AEG with good accuracy and range. Its classic AR15/M4 design, inspired by DEVGRU and Green Berets setups, performs well in dynamic games. Perfect for beginner and intermediate players looking for quality gear under 500 PLN.

Included in the set:

Recommended products compatible with the replica:



Safety & Usage Guidelines

Please read the following information for safe product use:
SKU: STAEG3109BSB · EAN: 5904420020073 · M4 SOPMOD Block 3 11.5" Airsoft Assault Rifle Sports Line ETU [S&T] ·
Report safety issue · Responsible person & manufacturer
Responsible person & manufacturer
Responsible person for product placed on the EU market:
KRAKMAN P. Kiepura, K. Michalik sp.k. · Pollanki 18, 30-740 Krakow, Poland · [email protected]
Manufacturer:

REPLICAS AVAILABLE ON TAIWANGUN.COM MIGHT BE PURCHASED ONLY BY ADULT USERS. PRODUCTS FOR ASG AND MILSIM USE ONLY.

Questions? We are happy to help. Call +48 123626134 or email us via [email protected]
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