Denel NTW-20
South African anti-materiel rifle with field-swappable calibres.
The Denel NTW-20 is a South African anti-materiel rifle, created by Denel Mechem during the mid-1990s. Its purpose is to engage a wide variety of targets—such as stationary aircraft, communication towers, power lines, missile sites, radar stations, refineries, satellite dishes, gun positions, bunkers, and enemy personnel—with specialized ammunition.
Tony Neophytou, who also co-designed the Neostead combat shotgun, was the weapon’s designer. Work began in August 1995 under the project name "Aerotek," and a working prototype was completed just four and a half months later. This quick turnaround was possible thanks to Neophytou’s prior experience with recoil reduction systems, which he had developed for helicopter turrets. To cut down on research and development, the design reused the barrel, bolt, and barrel extension from the existing Vektor GA1 automatic cannon. Denel Land Systems put the rifle into production in two versions: one chambered for 20×110mm HS and another for 20×82mm. The 20×82mm model can also be adapted to fire 14.5×114mm ammunition, and swapping between these two calibres is possible in the field by changing the barrel and bolt assembly. The larger 20×110mm variant, however, cannot be converted to any other calibre. The South African National Defence Force adopted the rifle in 1998.
To switch between the 20×82mm and 14.5×114mm calibres, the user must replace the bolt, barrel, sighting equipment, and magazine. (The NTW 20×110mm variant was developed separately and does not support calibre switching.) This conversion can be done in the field without any special tools. The magazine is positioned on the left side of the receiver. For transport, the rifle can be broken down and packed into two backpacks. A muzzle brake at the barrel’s end absorbs roughly 50 to 60 percent of the recoil, and a buffered slide inside the receiver further reduces the kick.
Denel Land Systems had a contract to supply anti-materiel rifles and self-propelled howitzers to the Indian Armed Forces. However, after allegations that Denel paid kickbacks to secure the rifle deal, the Indian government blacklisted the company. In response, the Ordnance Factory Tiruchirappalli (OFT) developed its own anti-materiel rifle, the Vidhwansak, which drew heavily from the NTW-20’s design. That rifle was completed in November 2005.
Quick Facts
- Origin
- South Africa
- Is Ranged
- yes
- Service
- 1998present
- Designer
- Tony Neophytou
- Design Date
- 1995
- Manufacturer
- Denel Land Systems
- Variants
- NTW 20, NTW 14.5, NTW 20×110mm
- Weight
- 31 kg (NTW 20), / 34 kg (NTW 14.5)
- Length
- 1,795 mm (NTW 20), / 2,015 mm (NTW 14.5)
- Part Length
- 1,000 mm (NTW 20), / 1,220 mm (NTW 14.5)
- Crew
- Two; rifle breaks down into two parts for transport and fits into two backpacks weighing 15kg each, one containing the weapon receiver section, while the other contains the barrel and ammunition
- Cartridge
- 20×82mm (NTW 20) / 20×110mm Hispano (NTW 20×110mm) / 14.5×114mm (NTW 14.5)
Facts from the source article.
Lore & Background
The weapon was designed by Tony Neophytou, co-designer of the Neostead combat shotgun. Development of the system began in August 1995 under the 'Aerotek' name, and a working prototype was ready for testing four and a half months later. This rapid progress was made possible by Neophytou's expertise in recoil reduction systems, having worked on helicopter turrets in the past. To further reduce research and development, the project recycled the barrel, bolt and barrel extension of the existing Vektor GA1 automatic cannon.
The rifle was put into production by Denel Land Systems in two versions: 20×110mm HS and 20×82mm. The latter model is also available in 14.5×114mm, and conversion between the 20×82mm and 14.5×114mm calibres can be done in the field by swapping the barrel and bolt assembly. The significantly larger 20×110mm model cannot be converted to another calibre. The rifle was accepted into service with the South African National Defence Force in 1998.
Switching between the two calibres of the NTW (20×82mm and 14.5×114mm) requires changing the bolt, barrel, sighting gear and magazine. Calibre switching can be accomplished in the field without specialised tools. The magazine protrudes from the left side of the receiver. The NTW can be disassembled and packed into two backpacks for carriage. A muzzle brake absorbs an estimated 50%–60% of recoil, further supplemented by a buffered slide in the receiver.
Reader's Guide
The NTW-20's significance lies in its role as a South African anti-materiel rifle that entered service in 1998, designed by Tony Neophytou. Its development was notably rapid, with a prototype ready four and a half months after work began in August 1995, aided by recycling components from the Vektor GA1 automatic cannon. The rifle's field-swappable calibre system—allowing conversion between 20×82mm and 14.5×114mm without specialised tools—is a distinctive feature, though the larger 20×110mm variant is not convertible. The weapon gained wider attention in August 2013 when a South African Special Forces officer used it to make what was then the sixth longest recorded sniper kill at 2125 metres. Its legacy includes influence on the Indian Vidhwansak anti-material rifle, developed after Denel was blacklisted by India over kickback allegations (later found false, with the embargo lifted in 2018). The NTW-20 is used by Azerbaijani, Indian, Indonesian, Malaysian, and South African forces.
Did You Know?
- Development began in August 1995 under the name 'Aerotek', with a prototype ready in 4.5 months.
- The rifle recycles the barrel, bolt and barrel extension of the Vektor GA1 automatic cannon.
- A South African Special Forces officer used the NTW-20 to make the sixth longest recorded sniper kill at 2125 m in August 2013.
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