Why the fastest player on the field is usually carrying an SMG
The door swings open. You have about half a second to see who's in the room and decide what happens next. The player with the full-length rifle is still swinging the barrel around the frame. The player with the SMG has already cleared the corner and moved on to the next room.
That's the whole case for a submachine gun in airsoft: less gun, faster hands. And you don't need to spend $400 or more to get a good one. I went through the entire airsoft submachine gun lineup and narrowed it to nine picks under $300, from an under-$90 starter to a stamped steel Russian SMG that feels like the real thing.
Quick Picks
The short version if you're in a hurry
| SMG | Price | Best For |
|---|---|---|
| G&G CM16 ARP9 | $284.00 | Best overall |
| Classic Army Nemesis X9 PDW | $265.00 | Best metal build |
| Lancer Tactical PPK-20 | $249.00 | Best AK-style value |
| LCT PP19-01 Vityaz | $280.00 | Best realism |
| G&G FAR 9 | $294.00 | Most portable |
| Arcturus X C.A.T. Versatile-5S Valor | $273.00 | Best for speedsoft |
| H&K UMP AEG | $189.95 | Best licensed pick under $200 |
| FN Herstal P90 AEG | $145.00 | Best budget pick |
| 6mmProShop KRISS Vector LPAEG | $89.95 | Best starter SMG |
Prices were accurate at the time of writing and can change with sales.
New to SMGs? Skip down to What to Look For first, then come back to this table. The prices read very differently once you know what a MOSFET or a V2 gearbox actually changes.
How I Picked
Performance first, looks second
Every gun on this list is an electric AEG, because that's still the most dependable, lowest-maintenance platform for most players. If you're weighing gas or HPA instead, my HPA vs AEG vs GBBR guide walks through that choice. From there, I compared gearbox quality, trigger electronics, battery space, magazine options and how easy each gun is to upgrade. I also made sure every pick fills a different role, so you're not reading about the same gun nine times.
1. G&G CM16 ARP9
Best overall airsoft SMG under $300

If I could recommend only one SMG in this price range, it would be the G&G CM16 ARP9. It handles like a shrunken M4, so the controls feel familiar from the first trigger pull. If you already run one of the popular M4 airsoft guns, the switch takes minutes. It's short enough to swing through doorways without catching on anything, and the 5-inch M-LOK rail has room for a light or grip.
The internals earn it the top spot. G&G fits a full metal Version 2 gearbox with 8mm bearings, a pre-programmed MOSFET you can set to 3-round burst, and an electronic trigger unit for a crisp, fast response. The retractable PDW stock houses a 7.4v LiPo. With a manufacturer rating of 330 to 350 FPS, it sits comfortably inside the limits at most indoor and outdoor fields.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $284.00 | 330 to 350 | 300 rounds | 7.4v LiPo, not included |
Who it's for: players who want one gun that works everywhere, from indoor CQB to mid-range outdoor games, with upgrade parts available on every shelf.
2. Classic Army Nemesis X9 PDW
Best metal build

The Classic Army Nemesis X9 PDW is for players who want their SMG to feel solid in the hands. Its receiver is CNC machined from aluminum with an aggressive billet look that stands out on any field. It also accepts ARP9 magazines, so spares are easy to find.
Inside, you get a reinforced Version 2 gearbox with 9mm bearings and Classic Army's ECS trigger system, programmable for 3 or 5-round bursts. It's rated at 330 to 350 FPS and ships with a 120-round magazine. The retractable skeleton stock keeps the overall length between roughly 20 and 24 inches, so it stays nimble even after you add one of the compact red dot sights.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $265.00 | 330 to 350 | 120 rounds | 7.4v small stick LiPo, not included |
Who it's for: players who are hard on their gear and want a metal receiver, plus anyone already running ARP9 magazines.
3. Lancer Tactical PPK-20
Best AK-style value

Not everyone wants an M4 in a smaller body. The Lancer Tactical PPK-20 gives you the look of a modern Russian SMG, with a side-folding adjustable stock, an M-LOK handguard and a Picatinny rail on the dust cover for optics.
The real selling point is how easy it is to upgrade. Lancer Tactical uses a standard Version 3 gearbox with 9mm bearings, so most AK aftermarket parts will fit as your skills grow. If you love the AK platform, it pairs naturally with the AK47 airsoft guns range. It's rated a little lower at 300 to 320 FPS, which suits indoor fields with tighter limits. At $249, it's one of the best values in the category.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $249.00 | 300 to 320 | 95 rounds | Not included |
Who it's for: AK fans on a budget, and anyone who wants a platform they can rebuild part by part as their skills grow.
4. LCT PP19-01 Vityaz
Best realism

LCT Airsoft is known for building AKs out of real steel, and the LCT PP19-01 Vityaz brings that tradition to SMG form. The stamped steel body gives it a weight and feel that polymer guns simply can't match. There's a reason players call the real Vityaz the Russian MP5.
It comes with twin coupled 50-round mid-cap magazines styled after the real 9x19 mags, a side-folding skeleton stock and an adjustable leaf rear sight. The Version 3 gearbox uses 9mm bearings and accepts standard V3 upgrades. It's the heaviest gun on this list at around 7 pounds, so a good tactical sling is worth adding. If you play milsim and want your SMG to feel like real equipment, this is the one.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $280.00 | Around 390 | 2 x 50 rounds, coupled | Not included |
Who it's for: milsim and realism players who want real steel in their hands and don't mind carrying the extra weight.
5. G&G FAR 9
Most portable

The G&G FAR 9 does something clever: both the stock and the front barrel assembly fold, so the whole gun collapses into a remarkably small package. It fits in a standard backpack from the packs and hydration carriers range, which is handy if you travel to games.
It's not a gimmick, either. You can fire it with the stock folded, and inside there's a full metal V2 gearbox with 8mm bearings, G&G's MOSFET and ETU 2.0, and an Ifrit 25K motor for snappy trigger response. It's rated at 330 to 350 FPS and comes with a 68-round mid-cap. The Macaron Blue colorway is a nice touch if you like to stand out.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $294.00 | 330 to 350 | 68 rounds | 7.4v small stick, not included |
Who it's for: players who travel to games, carpool to the field, or want a primary that disappears into a backpack.
6. Arcturus X C.A.T. Versatile-5S Valor
Best for speedsoft and customization

Arcturus designed the C.A.T. series with indoor players in mind, and the Versatile-5S Valor shows it. The ARC V2 Centaur split gearbox makes routine maintenance quick, and mechanical pre-cocking sharpens trigger response. Its FE programmable MOSFET gives you semi, full auto, 2 and 3-round burst, and even a binary trigger mode.
The handguard, magwell and stock are all modular, so you can reconfigure the gun as your playstyle changes. It's rated at about 340 FPS, uses a 175mm inner barrel with an RS rotary hop-up, and ships with folding back-up sights and a flash hider. Prefer the classic look? The Arcturus Versatile MP5 shares the same internals at the same price, and the full MP5 airsoft guns collection has more options.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $273.00 | About 340 | 105 rounds | 7.4v or 11.1v LiPo, not included |
Who it's for: speedsoft and indoor players who want programmable trigger modes and a gun they can reconfigure as they go.
7. H&K UMP AEG
Best licensed pick under $200

The H&K UMP AEG carries fully licensed H&K trademarks and one of the most recognizable SMG silhouettes in the world, all for under $200. The side-folding stock tucks away for a compact profile, which makes it a natural fit for CQB.
It shoots right around 330 FPS, and a quick-change spring system lets you adjust power without tearing down the gun. The included 400-round hi-cap means less time reloading. Its product description also lists an 8.4v NiMH battery and charger in the box, so it's close to ready to play. Want electric blowback and a MOSFET? Step up to the H&K UMP Elite Gen 2.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $189.95 | About 330 | 400 rounds | 8.4v NiMH and charger included |
Who it's for: newer players who want a licensed gun that's close to ready out of the box, and snipers who need a compact backup.
8. FN Herstal P90 AEG
Best budget pick

The FN Herstal P90 AEG is one of the most iconic SMG designs ever made, and at $145 it's also one of the most affordable serious options in the category. The bullpup layout puts the gearbox behind the grip, so you get an inner barrel of roughly 290mm in a gun only 19 inches long.
This Cybergun replica uses a full metal Version 6 gearbox and is rated at 390 FPS with 0.20g BBs, so check your field's limits before game day. It takes a 9.6v brick NiMH or a 7.4v PEQ-type LiPo, and the 68-round mid-cap comes with a speed loader. Curious about other versions? My P90 airsoft guns roundup compares them.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $145.00 | 390 | 68 rounds | 9.6v NiMH or PEQ LiPo, not included |
Who it's for: budget buyers who want an iconic design, and anyone playing tight indoor spaces where length works against you.
9. 6mmProShop KRISS Vector LPAEG
Best starter SMG

If you want the futuristic Vector look without the full-size price, the 6mmProShop KRISS Vector LPAEG is a fully licensed low-power electric version at $89.95. It's rated at 200 to 250 FPS, comes with a 300-round hi-cap, and includes a rechargeable battery and charger, so it's ready to go out of the box.
That low power makes it a better fit for indoor fields that welcome low-FPS guns, backyard target practice and collectors than for competitive outdoor play. If you fall in love with the platform, the full-power Krytac KRISS Vector is the natural next step. For more entry-level picks, see my cheap airsoft guns guide.
| Price | Rated FPS | Magazine | Battery |
|---|---|---|---|
| $89.95 | 200 to 250 | 300 rounds | Battery and charger included |
Who it's for: first-timers, younger players shooting under supervision, and collectors who want the Vector look without the full-size price.
Side by Side
How the internals stack up
| SMG | Gearbox | Trigger Electronics | Build | Stock |
|---|---|---|---|---|
| G&G ARP9 | V2, 8mm bearings | MOSFET + ETU | Polymer | Retractable PDW |
| Nemesis X9 | V2, 9mm bearings | ECS MOSFET | Aluminum receiver | Retractable skeleton |
| PPK-20 | V3, 9mm bearings | Standard trigger | Polymer | Side-folding, adjustable |
| LCT Vityaz | V3, 9mm bearings | Standard trigger | Stamped steel | Side-folding skeleton |
| G&G FAR 9 | V2, 8mm bearings | MOSFET + ETU 2.0 | Polymer | Folding stock and barrel |
| Arcturus Valor | ARC V2 Centaur split | FE programmable MOSFET | Polymer with metal inserts | Collapsible drop stock |
| H&K UMP | Metal V3 | Standard trigger | ABS polymer | Side-folding |
| FN P90 | V6 full metal | Standard trigger | Polymer | Bullpup, fixed |
| KRISS Vector LPAEG | Low-power AEG | Standard trigger | ABS polymer | Adjustable |
Price and power only tell half the story. This table compares what's inside and how each gun is built, so you can match one to your upgrade plans.
What to Look For
The details that separate a great SMG from a frustrating one
Gearbox Comes First
The heart of every AEG
At this price, look for a full metal gearbox, ideally with 8mm or 9mm bearings. Version 2 gearboxes (ARP9, Nemesis X9, FAR 9 and the Arcturus Centaur) enjoy massive M4-style parts support. Version 3 gearboxes (PPK-20, Vityaz, UMP) share parts with many AK and H&K-style guns. A common gearbox keeps AEG parts cheap and easy to find. If you plan to go brushless later, my brushless motor buyer's guide is the next read.
Look for a MOSFET
Your trigger and battery will thank you
A MOSFET or electronic trigger unit protects your trigger contacts, sharpens response and often adds burst modes. Four guns on this list ship with one from the factory: the ARP9, Nemesis X9, FAR 9 and Arcturus Valor. On the others, a drop-in unit from the MOSFETs and burst units range is one of the first upgrades I'd make.
Plan Your Battery
Small guns mean small batteries
SMGs have limited room, so check what fits before you buy. Most guns here take a 7.4v small stick LiPo, while the P90 uses a 9.6v brick NiMH or a PEQ-type LiPo. The UMP and Vector include a battery and charger; the other seven don't. Grab a matching pack from the LiPo and Li-Ion batteries range and a smart charger so you're not stuck on game day.
Know Your Field Limits
FPS isn't a bragging number
Indoor CQB fields often set lower limits than outdoor fields, and many now measure energy in joules at the BB weight you'll actually shoot. Every rating in this guide is a manufacturer figure with 0.20g BBs, so chrono your gun and check your field's posted rules before you play. My chrono rules guide explains how joule limits work. For better range and accuracy, see my R-hop vs flat hop comparison.
Chrono day tip: Bring the BBs you actually play with. Fields chrono with your ammo, and a heavier BB reads slower on the screen while carrying the same energy. That's exactly why joule limits are replacing straight FPS limits.
SMG or Rifle?
Pick the primary that matches how you play
| Where You Play | What to Carry | My Pick |
|---|---|---|
| Indoor CQB | Compact SMG as your primary | G&G ARP9 or Arcturus Valor |
| Mixed indoor and outdoor | Sturdy SMG with good range | Nemesis X9 |
| Large outdoor fields | Rifle primary, SMG as backup | Electric airsoft rifles plus an SMG |
| Sniper backup | Light SMG for close contact | H&K UMP or FN P90 |
| Milsim and realism | Heavy, authentic replica | LCT Vityaz |
| Backyard and first-timers | Low-power, ready-to-play kit | KRISS Vector LPAEG |
If most of your games happen indoors or in tight urban areas, an SMG is the better primary. It's lighter, faster to aim and easier to move with. If you play big outdoor fields with long sightlines, one of the full-length electric airsoft rifles will give you more reach. Many players run both, and an SMG also makes an excellent backup for snipers caught up close. Pair it with a quality airsoft Glock as a sidearm and your loadout is complete.
Budget for the Extras
The gun is only part of the kit
Set aside money for a battery and charger if your gun needs them, plus a couple of spare rifle magazines and a red dot. A compact reflex sight suits SMGs best, and my 2026 airsoft optics guide covers the top options. A short mock suppressor adds serious style, and my mock suppressor guide explains which thread direction you need. Most important of all, never step on the field without rated goggles and face protection.
Don't cut this corner: Full-seal, rated goggles are the one piece of gear with no budget version worth considering. Mesh and shooting glasses leave gaps a BB can find.
Frequently Asked Questions
What is the best airsoft SMG under $300?
For most players, I recommend the G&G CM16 ARP9. It combines a V2 gearbox with 8mm bearings, a factory MOSFET and ETU, familiar M4 controls and huge parts support. If you want a metal receiver, the Classic Army Nemesis X9 is the best alternative.
Are airsoft SMGs good for beginners?
Yes. SMGs are light, easy to handle and simple to maintain, which makes them a great first gun. The H&K UMP and FN Herstal P90 are both beginner-friendly picks that won't strain a new player's budget.
Can I use an airsoft SMG outdoors?
You can, though SMGs usually have shorter inner barrels than rifles, so their effective range is shorter. For mixed indoor and outdoor play, the ARP9 and Nemesis X9 hold up well. For large open fields, a full-length rifle is usually the better primary.
What battery does an airsoft SMG use?
Most compact SMGs use a 7.4v small stick LiPo. The P90 takes a 9.6v brick NiMH or a PEQ-type LiPo, while the UMP and KRISS Vector LPAEG ship with a battery and charger. Always check the product listing for the recommended battery and connector.
What's the difference between an SMG and a PDW in airsoft?
In airsoft, the difference is mostly about styling. SMGs usually replicate pistol-caliber guns like the MP5, UMP and Vityaz. PDWs like the P90 replicate compact guns built for personal defense. On the field, both fill the same fast, compact role.
My Final Pick
One gun, if I had to choose
If you want one SMG that does everything well, get the G&G ARP9. If you want metal and realism, go for the Nemesis X9 or the LCT Vityaz. On a tight budget, the P90 and UMP deliver a lot of gun for well under $200.
Whichever you choose, browse the full airsoft submachine gun collection to compare colors, bundles and current deals before you buy. The next time that door swings open, you'll be the one already moving to the next room.