In short
- A suppressor changes the sound a little, not a lot. Most of the noise comes from inside the gun. Foam softens the pop at the muzzle; an empty tube is for looks.
- Most rifles have a 14 mm counter-clockwise thread. Pistols and some rifles differ, and an adapter ring solves it.
- A tracer unit only works with tracer BBs. It lights each one as it passes, so it glows in flight. Ordinary BBs stay dark.
- At night the site decides. Whether tracers, torches and lasers are welcome is a house rule. Ask before you buy.
What a suppressor does in airsoft
An airsoft suppressor, which many British players simply call a silencer, is a tube that screws onto the muzzle, the front end of the barrel. An airsoft gun fires with a puff of air, not with burning powder, so there is far less for a suppressor to do than the films suggest.
Most of what you hear from an electric gun is the motor, the gears and the piston inside, and no tube on the muzzle reaches those. What a foam-filled suppressor can do is dull the sharp pop of air leaving the barrel. You notice that most on a spring-powered airsoft sniper rifle, which has no motor at all.
Foam-filled, barrel extension, or tracer
Three things that look like a suppressor
Mock suppressor
A tube for the look, empty or filled with foam rings. Foam softens the pop a little; an empty tube does next to nothing for the sound. Neither adds power or range. Plain mock suppressors are the simplest of the three.
Barrel extension
The same tube, used to hide an inner barrel (the thin tube the BB travels through) that is longer than the gun. It does not make the gun quieter. The inner barrel has to sit dead centre, or BBs clip the inside and fly wide.
Tracer unit
A suppressor-shaped housing with a light inside. It lights tracer BBs as they pass, so you can follow them in the dark. It does nothing for the sound, and it needs charging or batteries.
Which one do you need?
What do you want from it?
A quieter shot
A foam-filled mock suppressor
Expect a softer, duller pop, not silence. It helps most on spring and gas guns; on an electric gun the mechanism stays the loudest part.
Suppressors and tracersThe look
Any mock suppressor with your thread
Pick the length and colour you like. Weight at the front changes how the gun handles, so short is easier.
Mock suppressorsSeeing my BBs in the dark
A tracer unit plus tracer BBs
The two only work together. Buy green tracer BBs in the weight you normally shoot.
BBs, tracer BBs includedHiding a longer inner barrel
A hollow suppressor, wide enough inside
Check the inner width and the length, and make sure the barrel sits centred. Any foam has to come out.
Suppressors and tracersSuppressors and tracer units in the webshop
The thread is in the product name: most are 14 mm CCW.
In stock, ships right away
BRIGHTER C Tracer Unit - Black — Black
In stock, ships right away
Thread Adapter — Silver
In stock, ships right away
Suppressor Cover 14cm — OD Green
In stock, ships right away
Suppressor Cover 14cm — VegetatoThread types and adaptors
A suppressor screws onto the thread under the flash hider, the short tip on the muzzle. Two things matter: the width and the direction. CW means clockwise. CCW means counter-clockwise, anticlockwise in British English, and it is the usual one in airsoft. Shops also write CCW as "14 mm-" and CW as "14 mm+".
Muzzle threads you will meet, and the adapter between them
| Thread on the gun | Where you find it | For a 14 mm CCW suppressor |
|---|---|---|
| 14 mm CCW | Most rifles and submachine guns | Nothing: it screws straight on |
| 14 mm CW | Some rifles, depending on maker and model | A 14 mm CW to CCW adapter |
| 11 mm or 12 mm | Pistols with a threaded barrel, some compact guns | An 11 mm or 12 mm to 14 mm adapter |
| 16 mm CW | MK23-style pistols | A 16 mm CW to 14 mm CCW adapter |
| No thread | Many sniper rifles and some compact guns | An adapter made for that model |
Which thread does your gun have?
-
Take off the flash hider
Loosen the small locking screw underneath first, if there is one. Then turn the flash hider by hand.
-
Note which way it came off
Look at the gun from the front. Came off turning clockwise: the thread is CCW. Came off anticlockwise: it is CW.
-
Measure across the thread
About 14 mm is the rifle standard. Clearly less is a pistol thread, and that means an adapter.
Tracer units and tracer BBs
An airsoft tracer has two halves that only work together. The unit sits on the muzzle like a suppressor. Tracer BBs contain a material that glows after it has been lit, like the hands of a watch.
Why bother? In the dark you cannot see where an ordinary BB goes. A glowing line shows you, and everyone else, exactly where you are shooting.
One shot through a tracer unit
-
The BB enters the unit. A sensor notices it pass.
-
A light flashes. For a split second it lights the BB from close by.
-
The BB glows. It leaves the muzzle shining and fades after a few seconds, long enough to follow its flight.
-
The unit gets ready again. On automatic fire it has to keep up with every BB.
A tracer on your gun
Pros
- You see where your shots land and can correct your aim
- Setting the hop-up, the part that gives the BB backspin, is far easier in poor light
- Both sides see the BB arrive, so hits are easier to call
Cons
- Every shot points back at you
- Tracer BBs cost more than plain ones
- The unit needs charging or fresh batteries and adds length to the gun
Five beliefs, checked
Myth
A suppressor makes an airsoft gun silent.
Fact
No. It can soften the pop at the muzzle; the mechanism inside is as loud as before.
Myth
A tracer unit works with any BB.
Fact
Only with tracer BBs. An ordinary BB passes through and stays dark.
Myth
Every airsoft gun has the same muzzle thread.
Fact
Most rifles share 14 mm CCW, but 14 mm CW, pistol threads and guns without a thread are common enough to check first.
Myth
Tracer BBs glow by themselves.
Fact
They need light first. A BB that has lain in a dark magazine comes out dark unless a unit lights it.
Myth
A tracer gives nothing away.
Fact
It draws a line from your muzzle to your target. Fire, then move.
Night games on UK sites
Night games, and indoor play at close quarters (CQB) with the lights off, are a regular part of airsoft in Britain. They change what matters: you aim by torch, you know friends by their voice, and a hit is easier to miss. What you may use is decided by the site. Tracers, torch brightness, lasers and pyrotechnics are house rules, and they differ, so read the event page or ask at the briefing.
An airsoft torch on the gun keeps both hands free. An airsoft laser looks the part, but it is the one item here with a real safety question: eyes. Buy one with a clear class label, and never point it at a face, a road or the sky.
In the bag for a night game
0 of 7 ticked
Lights and lasers in the webshop
Check the laser class in the product details, and your site rules, before you buy.
In stock, ships right away
6 Inch Light Stick — Yellow
In stock, ships right away
6 Inch Light Stick — Green
In stock, ships right away
6 Inch Light Stick — Orange
In stock, ships right away
ProTac Pressure Pad — BlackPicks per budget
Three levels, without prices: the shelves show today's
A mock suppressor and the right adapter
A plain tube in your thread, foam-filled if you want a softer pop. In our range: short ones like the ARES SR-16, long ones like the 5KU SOCOM 556.
Mock suppressorsA compact tracer unit and tracer BBs
All a first night game needs. Units of this kind in our range: the G&G UVT106 and the AceTech Bifrost.
Tracer unitsTracer, torch and a tidy muzzle
A tracer unit that keeps up with automatic fire, a torch for the gun with a remote switch, and an adapter for every gun you own.
Lights and lasersSecond-hand makes sense here, because a metal tube does not wear out. Among the used suppressors, flash hiders and tracer units on our marketplace, ask the seller for the thread and, for a tracer unit, a short video of it lighting a BB.
Suppressors, flash hiders and tracers right now: used against new
Live figures from our marketplace and our webshop.
- listings in Silencers / Flash hiders / Tracers on the marketplace
- 29
- middle asking price: half ask less, half ask more
- €55
- eight out of ten asking prices fall in this range
- €18 – €85
- products in stock in Suppressors & Tracers in the webshop
- 18
- lowest price of what is in stock in Suppressors & Tracers
- €5
- brands in stock in Suppressors & Tracers
- 14
Airsoft Bazaar data Measured on 13 November 2026
Used suppressors and tracer units
Sold by other players. Ask for the thread before you pay.
Frequently asked questions
Does an airsoft suppressor make the gun quieter?
A little, if it is filled with foam: it dulls the pop of air at the muzzle. It cannot quieten the motor, gears and piston of an electric gun, which make most of the noise. An empty mock suppressor is for looks only.
How does a tracer unit work?
A sensor inside notices each BB and a light flashes as it passes. A tracer BB soaks up that light and glows for a few seconds in flight. The unit runs on a built-in rechargeable battery or on small batteries, depending on the model.
Which thread does my gun have: 14 mm CW or CCW?
Most airsoft rifles have 14 mm CCW, also written 14 mm-. To check, unscrew the flash hider while looking at the gun from the front: if it comes off clockwise, the thread is CCW. If it is the other one, an adapter ring converts it.
Do I need special BBs for a tracer?
Yes. Only tracer BBs contain the glowing material; ordinary BBs stay dark. Green is the standard colour. If you want red, check that your unit says it can light red BBs.
Are tracers allowed at night games?
That is for the site to say: it is a house rule, not a law. Many night games welcome them, while some organisers limit them in games built around stealth. Ask before the day.
Are there bio tracer BBs?
Yes. Our webshop lists biodegradable tracer BBs from several brands, in weights from 0.20 g upwards. Take them if your site asks for bio BBs, which outdoor sites often do.
Sources
- Firearms Act 1968, section 2A (possession of a sound moderator or flash suppressor) legislation.gov.uk, 12 November 2026
- Firearms Act 1968, section 57A (airsoft guns) and section 19 (public place) legislation.gov.uk, 12 November 2026
- Firearms (Northern Ireland) Order 2004, article 2 (definitions) legislation.gov.uk, 12 November 2026
- Laser Misuse (Vehicles) Act 2018, section 1 legislation.gov.uk, 12 November 2026
- Laser radiation: safety advice UK Health Security Agency, GOV.UK, 12 November 2026
1 more source
- Batteries, gas and safety (shipping restrictions) Airsoft Bazaar help centre
