New M4/M4A1 extractor spring.
To improve the reliability of the M4/M4A1 carbine carbine
Light, short-barreled rifle. The first carbines, from the muzzle-loading muskets of the 18th century to the lever-action repeaters of the 19th, were chiefly cavalry weapons or saddle firearms for mounted frontiersmen. , the Army has gone to a new extractor spring assembly for the carbine's breech breech (brech) the buttocks.
The lower rear portion of the human trunk; the buttocks.
the buttocks of an animal; the backs of the thighs. bolt assembly, whose NSN is now 1005-01-505-1035 because of the new extractor spring.
The new extractor spring assembly comes with NSN 1005-01-505-2886. It's gold colored with a black insert and will be added to TM 9-1005-319-23&P in Change 8.
All M4/M4A1s should have the new extractor spring assemblies installed by June 2005.
The M16-series rifle will continue to use the extractor spring assembly that comes with NSN 1005-01-424-5899 and is dark and has a black insert.
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TACOM Tactical Command
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