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Steyr IWS 2000

Anti-Materiel Rifle (AMR)

Austria | 1999

"The Steyr IWS 2000 is noteworthy for its use of Armor Piercing Fin Stabilized Discarding Sabot ammunition."

Authored By: Staff Writer | Last Edited: 07/25/2016 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Steyr IWS 2000 (IWS = "Infantry Weapon System 2000") was a proposed anti-material rifle born out of a 1980s initiative by the Steyr Mannlicher concern of Austria. The system was unique in its design by applying various "non-rifle" elements to its function and action. The ISW 2000 was designed with principles found in shotguns and field artillery pieces to produce the required recoil dampening features required of firing such a large cartridge. While chambered for the unique fin-stabilized discarding sabot 15.2x169mm cartridge the IWS 2000 was evolved into the AMR 5075 (AMR = "Anti-Material Rifle") variant chambered for the readily-available 14.5mm cartridge. As of this writing (2012), the IWS2000 and AMR 5075 have yet to be produced in large numbers and remain, more or less, "in development".

The external configuration of the IWS 2000 consisted of a large shoulder stock with an enclosed grip-and-trigger unit. An adjustable stand was fitted under the stock and managed by twisting a knob at the rear. The receiver of the weapon was largely tubular, supported by a folding bipod assembly. The 10x optical arrangement was set along the top of the weapon in the usual way. The removable barrel protruded a distance ahead and was capped by a multi-baffled muzzle brake. The barrel was further seated in a recoil-dampening sleeve to content with the inherently violent recoil effects of firing such a large caliber round. Overall weight was 40lbs with a running length of 71 inches (47-inch barrel). The weapon fired from a 5-round detachable box magazine through a long-recoil/rotating bolt action. The long recoil action was similar to that as found in modern shotguns, a proven recoil dampener. Effective range was within 1,000 yards with a maximum listed range of 2,700 yards. Magazines were fed into a well along the right side of the weapon body. Interestingly, the IWS 2000 made use of a smoothbore barrel as opposed to a rifled design common to all firearms categorized as "rifles".

While not in serial production, the data accrued during development of these two rifles may still influence future Steyr Mannlicher projects to come.

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The physical qualities of the Steyr IWS 2000. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
1,800 mm
70.87 in
O/A Length
1,200 mm
47.24 in
Barrel Length
39.68 lb
18.00 kg
Long Recoil Rotating Bolt; Semi-Automatic
15.2mm APFSDS
5-round detachable box magazine
10 x Telescopic Sight
Performance specifications presented assume optimal operating conditions for the Steyr IWS 2000. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
3,280 ft
999.7 m | 1,093.3 yds
4,757 ft/sec
1,450 m/sec
Muzzle Velocity
Notable series variants as part of the Steyr IWS 2000 Anti-Materiel Rifle (AMR) family line.
IWS 2000 "Infantry Weapon System" - Original development; chambered for 15.2x169mm cartridge; bullpup layout; standard 10 x telescopic sight as standard; bipod and adjustable monopod.
AMR 5075 "Anti-Material Rifle" - Variant; chambered for the 14.5mm cartridge.
Global customers who have evaluated and/or operated the Steyr IWS 2000. Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): Steyr Mannlicher - Austria
National flag of Austria

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Image of the Steyr IWS 2000

Design Qualities
Some designs are single-minded in their approach while others offer a more versatile solution to requirements.
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Steyr IWS 2000 Anti-Materiel Rifle (AMR) appears in the following collections:
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