20 mm Recoilless De-armer Disruptor
EAD-20S & EAD-2050

Stainless Steel Product from Alpha Engineering Industry
For 20 mm or 0.5 inch cartridges
EAD-20S and EAD-2050 are recoilless Disruptor-Dearmer units designed for disrupting IEDs and UXO with a high probability of avoiding detonation. They meet the need for a medium-powered, accurate disruptor. The disruptor can be used on its stand or on an EOD robot with its mount. The design focuses on simplicity, safety and speed of operation. Recoilless operation is achieved by ejecting a water load rearward at the same time as the forward load. Teams also look for this class of tool as a recoilless de-armer, dearmer, de-armour or water-jet disrupter.
Key features
- Manufactured with stainless steel and aluminum corrosion-resistant alloys.
- 98% recoilless and lightweight, ideal for robot applications.
- Special attachment for a standard camera tripod for quick aiming and multiple attack angles.
- Variety of de-armer function projectiles – solid and frangible.
- Picatinny rail for laser and other aiming devices.
- Power cartridge options – standard electrically initiated 0.5-inch or 20 mm, or percussion debulleted cartridges.
- Quick and error-free assembly with keyway and Acme threads.
- Multiple attachments and optional accessories for a fourth-generation disruptor setup.
Tailoring to Customer
Integrated remote firing system option

Combining an RF initiation system with the disruptor improves flexibility and speed of IEDD operations — the operator no longer has to run demolition wire to the IED. Al Efah wireless initiation systems RDS-6722 and RDS-6725 can be installed on the disruptor’s standard mount or on a Picatinny rail (quick clip-on fittings also offered).
Robot installation mount

These disruptors are ideally suited to robot installation because of the recoilless feature. If the robot’s mounting details are provided, an installation adapter can be supplied. Adapters can also integrate camera and laser pointers.
Laser aiming and Picatinny rail

The dual laser includes a quick-release magnetic snap-on mount that also features Picatinny mounting points for attaching additional items, such as a camera.
Robot mount video and range-info overlay

To provide a solution for the EOD robot, a system is provided with video with overlay information of the range for firing the slugs in dearmer mode. This solution can be tailored to the application. A telemetry module is offered for the transmission.
Aiming accessories

Quick release mounting of a laser sight, flashlight, range finder, rifle scope and day /night LCD sight . Flashlight / laser sight can be operated together as well as independently.
Cartridge options


For logistical flexibility the disruptor can be supplied for 20 mm cartridges (EAD-20S), 0.5 inch / .50 Caliber (12.7 mm) cartridges (EAD-2050), or an electrically initiated 12 bore cartridge. Many EOD units already stock 0.5 inch cartridges for other systems; the breech can be matched to that stock.
Breech types
Three breech systems are available:
- Standard breech with safety pin – fires electrically initiated non-leaded 20 mm or 0.5 inch cartridges (standard breech, about 450 g).
- Breech for leaded cartridges – configured for legacy electrically initiated 0.5 inch cartridges with lead (about 300 g, optional).
- Specialized percussion breech – fires 12-bore or 0.5-inch cartridges initiated by a firing pin; includes a debulleting kit for standard 0.5-inch cartridges.
DE-ARMER ADD ON OPTION
Steel Slugs

- Blunt slug — blunt-ended steel projectile with O-ring, for UXB fuse attack.
- Chisel slug — chisel-end projectile for cutting.
Blade and Fork

- Blade slug — cuts targets such as pipe bombs.
- Fork slug — for wire and soft skin.
Penetrator Cap

- Penetrator cap — seals the water and, with its metallic tip, makes an entry hole in metallic-walled IEDs.
- Closure cap — seals water inside the barrel when attacking soft targets.
Item | Specifications | Item | Specifications |
Length assembled | 525 mm | Width Recoil Body | 150 mm |
Filled Water qty | 210 cc | Bore diameter | 20 mm |
Attack Height with stand | Min 0.5 meters Max 1.3 meters | Weights | Disruptor 6 kg Stand 2 Kg Aiming device 0.2 Kg |
Stand turn azimuth | 360º | Stand turn elevation | 180º |
Danger area forward | 140 m | Danger area rear | 30 m |
Cartridge EAD-20S | CT-20 / 12 bore (both electrical) | Cartridge EAD-2050 | 0.5 inch electrical CT-05D, CT-05W |
Recoil system | 98% recoilless | ||
Breech electric firing | Standard breech non-leaded cartridges – 450 g Separate breech for leaded cartridges – 300 g (optional) | ||
Initiation | Initiate with exploders / blasting machines; supplied separately. | ||
Composition | Specially treated Stainless-Steel alloy and Aluminum alloy recoil body. | ||
Standard accessories | Packing & carrying box, Tripod stand, Removable Cleaning Brush, Push rod, Spanner Tube, Dual pin wrench, Water bottle, Allen key, Recoil sleeve head, Recoil sleeve. | ||
Optional Accessories | Tough polypropylene or Cordura case, laser aiming head, robot mount, laser pointer, light, range finder, rifle scope, day/night LCD sight, remote detonation system integration, penetrator end caps De-armer accessories – thread protector, steel slug blunt, steel slug chisel, steel slug pointed nose, cutting fork, blade slug, loading sleeve; special slugs on request. | ||

The disruptor breech has a safety pin that keeps the terminals short; the cartridge is connected only when the unit has bee

Firing a 20mm cartridge
Firing a 0.5 inch EOD cartridge
Related products
Frequently asked questions
What is the EAD-20S / EAD-2050?
The EAD-20S and EAD-2050 are recoilless de-armer disruptors from Al Efah Technologies. They disrupt IEDs and UXO with a high probability of avoiding detonation by firing a forward load while ejecting a water load rearward for 98% recoilless operation.
What is a recoilless disruptor?
A recoilless disruptor cancels most of the firing recoil by ejecting a water load to the rear at the same time as the forward disruptor load. The EAD-20S / EAD-2050 is specified as 98% recoilless and is suited to stand or EOD-robot mounting.
Which cartridges do EAD-20S and EAD-2050 use?
EAD-20S uses CT-20 / 12 bore cartridges (both electrical). EAD-2050 uses 0.5 inch electrical cartridges CT-05D and CT-05W. A specialized percussion breech can fire 12-bore or 0.5-inch cartridges with a firing pin, and a debulleting kit allows standard 0.5-inch cartridges.
What breech types are available?
Three breech systems are available: a standard breech with safety pin for electrically initiated non-leaded 20 mm or 0.5 inch cartridges (standard breech about 450 g); a separate breech for leaded cartridges (about 300 g, optional); and a specialized percussion breech fired by a firing pin.
Can the EAD-20S mount on an EOD robot?
Yes. The disruptor is 98% recoilless and lightweight for robot use. If the robot’s mounting details are provided, an installation adapter can be supplied and can integrate camera and laser pointers. Filled water volume is 210 cc; assembled length is 525 mm; disruptor weight is 6 kg.
Which wireless initiation systems work with it?
Al Efah’s RDS-6722 and RDS-6725 wireless initiation systems can be fitted on the disruptor’s standard mount or on a Picatinny rail, so the operator does not have to run demolition wire to the IED.
Download the EAD-20S / EAD-2050 datasheet (PDF) or contact Al Efah for a quote.





