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Description
The Bushmaster M17S is a semi-automatic bullpup rifle that was manufactured by Bushmaster Firearms International from 1992 until 2005.

The design of the M17S dates back to 1986 when the Australian company Armtech Ltd. developed the prototype as a prospective military rifle for the Australian Army. Two prototypes were developed, one for the 5.56×45mm NATO, the C60R, and the more revolutionary C30R that used caseless ammunition. The C30R was developed hastily and an out-of-battery ignition resulted in a prototype exploding during a high-profile demonstration.

The Australian Army adopted a licence-built version of the Steyr AUG, leading to the sale of the Armtech design to another Australian company, Edenpine (Edenpine Pty Ltd. Charles St. George, improved the design, resulting in the ART-30 and SAK-30. The salient features of the M17S were in place but some Finnish Valmet parts were used instead of AR-15 parts to reduce costs. Edenpine expressed interest in selling the design on the United States market and subsequently licensed the design to Bushmaster for local manufacture, thus avoiding import restrictions.[1] The rifle was sold from October 1992 to 1994 as the "Edenpine M17S Bull-Pup rifle". The distributor was Edenpine (USA) Inc., headquartered in San Jose, California.

When Edenpine folded in 1994, the totality of the rights passed to Bushmaster, who manufactured it as the "Bushmaster M17S", starting just a few months before the approval of the Federal Assault Weapons Ban. The M17S was the only American-made bullpup rifle to be offered commercially, and the only one not banned by name. The BATF approved a version with a longer barrel sleeve which covered more of the muzzle thread. This made it impossible to securely attach the M16-style "Birdcage" flash hider without modification of the barrel sleeve.[2]

Type Bullpup semi-automatic rifle
Place of origin Australia
Production history
Designed 1992
Manufacturer Bushmaster Firearms International
Produced 1992–2005
Specifications
Mass 8.2 lb (3.7 kg)
Length 30 in (760 mm)
Barrel length 21.5 in (550 mm)
Cartridge 5.56×45mm NATO
Action Gas-operated rotating bolt
Feed system STANAG magazines
Sights Iron sights

Description
The Bushmaster M17S is a semi-automatic bullpup rifle that was manufactured by Bushmaster Firearms International from 1992 until 2005.

The design of the M17S dates back to 1986 when the Australian company Armtech Ltd. developed the prototype as a prospective military rifle for the Australian Army. Two prototypes were developed, one for the 5.56×45mm NATO, the C60R, and the more revolutionary C30R that used caseless ammunition. The C30R was developed hastily and an out-of-battery ignition resulted in a prototype exploding during a high-profile demonstration.

The Australian Army adopted a licence-built version of the Steyr AUG, leading to the sale of the Armtech design to another Australian company, Edenpine (Edenpine Pty Ltd. Charles St. George, improved the design, resulting in the ART-30 and SAK-30. The salient features of the M17S were in place but some Finnish Valmet parts were used instead of AR-15 parts to reduce costs. Edenpine expressed interest in selling the design on the United States market and subsequently licensed the design to Bushmaster for local manufacture, thus avoiding import restrictions.[1] The rifle was sold from October 1992 to 1994 as the "Edenpine M17S Bull-Pup rifle". The distributor was Edenpine (USA) Inc., headquartered in San Jose, California.

When Edenpine folded in 1994, the totality of the rights passed to Bushmaster, who manufactured it as the "Bushmaster M17S", starting just a few months before the approval of the Federal Assault Weapons Ban. The M17S was the only American-made bullpup rifle to be offered commercially, and the only one not banned by name. The BATF approved a version with a longer barrel sleeve which covered more of the muzzle thread. This made it impossible to securely attach the M16-style "Birdcage" flash hider without modification of the barrel sleeve.[2]

Type Bullpup semi-automatic rifle
Place of origin Australia
Production history
Designed 1992
Manufacturer Bushmaster Firearms International
Produced 1992–2005
Specifications
Mass 8.2 lb (3.7 kg)
Length 30 in (760 mm)
Barrel length 21.5 in (550 mm)
Cartridge 5.56×45mm NATO
Action Gas-operated rotating bolt
Feed system STANAG magazines
Sights Iron sights