What are the differences between the M1A, M14, and M21 rifles?

March 6th, 2010 by eranio

They all look similar very similar, I was just wondering what the differences were.

also, which are currently used by the US military?

Posted in Military Rifles

2 Responses

  1. Andy

    The Springfield M1A is a semi automatic version of the M14.

    The M14 is a select fire (semi auto and Full auto) battle rifle used in the US military from 1957 and is still in service with some units in combat today. However it was widely replaced during the 1960′s with the M16.

    The M21 is the sniper rifle variant of the M14 rifle. The M21 is semi auto, full auto not needed in a sniper rifle. In 1969, the Rock Island Arsenal converted 1,435 National Match (target grade) M14 rifles by adding a Leatherwood 3–9x Adjustable Ranging Telescope (ART) telescopic sight, and providing National Match grade ammunition. It was designated the XM21 until 1975, when it became the M21. The M21 remained the Army’s official sniper rifle until 1988, when it was replaced by the bolt-action M24 Sniper Weapon System. The M21 still remains in the inventory of some units.

  2. Trailltrader

    The orginal M1a is an 8 shot, clip fed, gas operated select fire rifle chambered in 30-06.

    The M14 is essentially the M1 that has been adapted to use a 20 round 30-06 or retrofit chambering in .308.

    The M21 is a semi-auto, highly accuratized sniper version of the M14, chambered in 7.62 NATO/.308 winchester.

    The M21 hasn’t been used in several years as it has been superseeded by better weapon systems chambered in .338 Laupua or .50 BMG

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