TRW Low Maintenance Rifle
The TRW Low Maintenance Rifle or LMR was a proposed insurgency weapon designed by TRW Inc. (formerly Thompson Ramo Wooldridge) of the United States during the Vietnam War. The intent was to produce an easy-to-use and operate firearm which could be disseminated to insurgent forces supporting the United States' military interests.
TRW Low Maintenance Rifle
United States Department of Defense · Commander's Digest vol.14, No.6 / August 9, 1973 · Public domain
- Name
- TRW Low Maintenance Rifle
- Field
- automatic rifle
- Region
- United States
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Documentary summary
The TRW Low Maintenance Rifle or LMR was a proposed insurgency weapon designed by TRW Inc. (formerly Thompson Ramo Wooldridge) of the United States during the Vietnam War. The intent was to produce an easy-to-use and operate firearm which could be disseminated to insurgent forces supporting the United States' military interests.
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wikidata · Q7671539 · wikipedia · TRW Low Maintenance Rifle
In this article
Overview
Overview
The design utilized the same 5.56×45mm NATO ammunition and STANAG magazines as the M16 rifle. It would have been equipped with the M6 bayonet along with its M8A1 scabbard. Development began in 1971, and ceased in 1973 with the weapon never having been fielded.
Key facts
Key facts
• Name — TRW Low Maintenance Rifle • Type — Full-automatic fire only insurgency assault rifle • Origin — United States • Is Ranged — yes • Designer — Donald A. Stoehr (1927-2011) • Design Date — February 1971 • Manufacturer — TRW Systems Group • Unit Cost — Specified cost of less than $130 (1971), • Production Date — 1971—1973 • Number — fewer than 10. • Weight — Unloaded: 3.30 kg Loaded: 3.64 kg • Length — 871 mm • Part Length — 493 mm • Cartridge — 5.56×45mm NATO • Action — Roller locked open bolt gas-operated long-stroke piston • Rate — 450 RPM Cyclic • Velocity — 3248 ft/s • Range — 460 m • Max Range — 2425 m • Feed — 20, 30-Round STANAG magazine • Sights — Rear: Two-position flip aperture Front: Adjustable post • Illustration — TRW LMR
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- United States
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.The Firearm Blog » .50 BMG Flechette rifle. The Firearm Blog. 24 February 2009.
- 2.The Gun Zone -- A 5.56 X 45mm "Timeline" 1970-1973. The Gun Zone.
- 3.Sellars, John R. Some Memories of My Career. Aerospace Corporation. 17. 19 September 2007.
- 4.harv Jorgensen 2003 p=13
- 5.harv Dockery 1983 p=49
- 6.Loyalist Paramilitary Improvised Machine Guns. A Modest Publication. May 8, 2009.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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