PTS Masada Dark Earth Gas Rifle
A modular PTS gas carbine on KWA’s GBB system
The PTS Masada Dark Earth is a 6mm gas blowback airsoft carbine built on KWA’s GBB system. It runs on green gas, fires semi and full auto at 360–380 FPS from a PTS EPM 38-round magazine, and has fully ambidextrous controls, a tool-less quick-change barrel system, a CNC-machined one-piece upper with a continuous top rail and a retractable folding stock, in dark earth.
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Earn 430 points on this item, worth $8.60 in store credit. New members get 100 points for signing up and 500 bonus points on their first order.
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What is the PTS Masada Dark Earth?
The PTS Masada is a modular gas blowback carbine. It can be reconfigured for length and stock type with basic tools or none at all, and major components come apart quickly for field stripping and simple maintenance. PTS Masada AEG handguards and stocks also fit it.
Controls are fully ambidextrous, including the fire selector, magazine release and bolt release/lock-back. The precision CNC-milled one-piece upper carries a continuous 37-slot M1913 rail for optics, sights, lights and cameras, and the polymer handguard has mounting points at 3, 6 and 9 o’clock for accessory rails (sold separately).
- KWA GBB system
- Tool-less quick-change barrel system
- CNC-milled one-piece upper, continuous 37-slot M1913 top rail
- Integrated flip-up front sight, flip-up polymer rear sight included
- Reinforced polymer lower receiver
- Fully ambidextrous selector, magazine release and bolt release
- Retractable folding stock
- Fits PTS Masada AEG handguards and stocks
PTS Masada Dark Earth Features
Tool-less Quick-Change Barrel
Swap barrel lengths quickly, with no tools.
Fully Ambidextrous
Selector, magazine release and bolt release/lock-back work from either side.
Integrated Flip-Up Front Sight
Works with standard airsoft M4/M16 rear sights. A flip-up polymer rear sight is included.
Rapid Field Stripping
Major components are designed to come apart quickly for simple maintenance.
PTS Masada Dark Earth Specifications
| Performance | |
|---|---|
| Power system | Gas blowback, KWA GBB system |
| Gas | Green gas |
| Velocity | 360–380 FPS |
| Rate of fire | 14+ rounds per second |
| Firing modes | Safe, semi-auto, full auto |
| Magazine | PTS EPM, 38 rounds |
| Hop-up | Adjustable |
| Dimensions | |
| Length | 31.75 in retracted, 32.39 in extended |
| Outer barrel | 13.13 in |
| Inner barrel | 14.63 in |
| Weight | 7.80 lb |
| Build | |
| Platform | Carbine |
| Upper receiver | CNC-milled one piece, continuous 37-slot M1913 top rail |
| Rail type | M-LOK |
| Lower receiver | Reinforced polymer |
| Stock | Retractable folding |
| Muzzle | A2 birdcage |
| Sights | Integrated flip-up front, flip-up polymer rear |
| Controls | Fully ambidextrous |
| Finish | Dark Earth |
| Collection | PTS Licensed |
Which magazines fit? See the KWA magazine compatibility chart.
What comes with the PTS Masada Dark Earth
In the box
- PTS Masada Dark Earth gas blowback rifle
- One PTS EPM 38-round magazine, Dark Earth
- Flip-up polymer rear sight
You will also need
- Green gas
- 6mm airsoft BBs
- Silicone oil for magazine seals
- Full-seal eye protection
Popular add-ons
How the PTS Masada Dark Earth works
Gas blowback rifles reward a little know-how. Here is what to expect.
Gas blowback, explained
Green gas is stored in the magazine. Each trigger pull releases gas that fires the BB and drives the bolt back, which gives you bolt movement and recoil you can feel.
Because the gas lives in the magazine, healthy magazines mean a healthy rifle. Keep their seals oiled and fill them correctly.
Filling a gas magazine
Each shot uses some of the gas in the magazine to fire the BB and cycle the bolt.
- Hold the magazine upside down and the green gas can upside down and vertical.
- Press the can straight down onto the magazine fill valve until it stops taking gas.
- Load BBs, insert the magazine and you are ready.
- Gas cools as you shoot. Let magazines warm up between strings and keep them out of direct sunlight.
Built to be reconfigured
The Masada is modular. Its tool-less quick-change barrel system and modular body let you change length and stock type with basic tools or none, and PTS Masada AEG handguards and stocks are compatible with this gas rifle.
Which magazines to use
The Masada runs PTS EPM gas magazines, sold in Black and Dark Earth. One is included.
Hop-up, explained
Hop-up puts backspin on the BB so it lifts and flies flatter and farther. Too little and BBs drop early. Too much and they climb.
- Start with the hop-up at its lowest setting.
- Fire a few shots at a target at your usual distance.
- Add a little hop at a time until BBs fly flat before they drop.
- Back it off if BBs start to rise. Re-check whenever you change BB weight.
PTS Masada vs Radian Model 1
Two PTS-licensed gas blowback rifles from KWA. Both take the PTS EPM 38-round magazine.
| PTS Masada | Radian Model 1 GBB | |
|---|---|---|
| Velocity | 360–380 FPS | 370–400 FPS |
| Rate of fire | 14+ rounds per second | 12+ rounds per second |
| Outer barrel | 13.13 in | 14.5 in |
| Length | 31.75–32.39 in | 31–34 in |
| Weight | 7.80 lb | 7.61 lb |
| Rail | 37-slot top rail, M-LOK | 14-inch M-LOK |
| Stock | Retractable folding | PTS Enhanced Polymer Stock Compact |
| Controls | Fully ambidextrous | Ambidextrous, with A-DAC bolt control |
| Finish | Black or Dark Earth | Black |
PTS Masada Dark Earth care and parts
- Put a drop of silicone oil on the magazine seals now and then to keep them sealing well.
- Store gas magazines in a cool, dry place and never in direct sunlight or a hot car.
- Check feed lips and seals before each game, and do not drop magazines on hard surfaces.
- Wipe the gun down after each game and keep the inner barrel and hop-up bucking clean.
- Use silicone oil only. Avoid petroleum lubricants on seals and rubber parts.
Manuals and diagrams are in the Manuals & Diagrams library.
PTS Masada Dark Earth FAQ
What is the PTS Masada?
A 6mm gas blowback airsoft carbine, PTS licensed and built on KWA’s GBB system, with fully ambidextrous controls, a tool-less quick-change barrel and a retractable folding stock.
How many FPS does the PTS Masada shoot?
KWA lists it at 360–380 FPS. Fields set velocity limits, often lower indoors than outdoors, so check yours and confirm at chrono.
Which magazines fit the Masada?
PTS EPM gas magazines. One 38-round EPM magazine is included.
What comes in the box?
The rifle, one PTS EPM 38-round magazine and a flip-up polymer rear sight.
Can I change the handguard or stock?
Yes. The Masada is modular, and PTS Masada AEG handguards and stocks are compatible with it.
What is the difference between the Masada Black and Dark Earth?
Only the finish. Specs and features are the same.
Can I pay for the PTS Masada Dark Earth Gas Rifle over time?
Yes. Choose Klarna at checkout to split it into 4 interest-free payments, or Affirm to pay over time. Both are subject to approval. See Payment Options.
Do I earn KWA Rewards points on the PTS Masada Dark Earth Gas Rifle?
Yes. KWA Rewards members earn 1 point for every $1 on orders of $50 or more, so the PTS Masada Dark Earth Gas Rifle earns about 430 points, worth $8.60 in store credit (50 points = $1). See KWA Rewards.
Is the PTS Masada covered by a warranty?
Every KWA gun is backed by KWA, with warranty support and in-house service in California. Protection Plus adds extended warranty coverage and a repair plan with no repair fee, discounted parts and free return shipping. See the Protection Plus page for plan details.
