Bushmaster M17S

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Bushmaster M17S
Iron sights

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

History

The design of the M17S dates back to 1986 when the Australian company

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

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

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]

Design

Left side

The Bushmaster M17S is a semi-automatic rifle that uses a

aluminum receiver that serves as the stock and foregrip as well. This method of construction is particularly efficient and was subsequently copied by other designs.[1]

Operation is a short-stroke fixed piston system that is self-compensating. The rifle is chambered in 5.56×45mm NATO and accepts

STANAG magazines. The main drawback of the subsequent modified design, reported by some users, was the tendency of its aluminum hand guard to become hot after one or two magazines were emptied in rapid fire. Bushmaster discontinued production of the M17S in 2005.[3]

Variants

A more up to date version is offered by K&M Arms and chambered in at least four calibers.[4]

See also

References

  1. ^
    ISBN 978-1-4402-2482-9. Archived from the original
    on March 26, 2016.
  2. ^ "I have a Bushmaster M17S Bullpup AR15 type rifle. Will any of your Muzzle Brakes/Flash Hider fit on the barrel of rifle without any modification?". Bushmaster Firearms International. April 5, 2017. Retrieved April 5, 2017.[dead link]
  3. ISBN 978-1-4402-1793-7. Archived from the original
    on March 22, 2016.
  4. ^ "K&M M17S-556". 18 November 2014. Archived from the original on August 6, 2017.

External links

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