M249 Saw. TM9-1005-201-10 TM9-1005-201-23&P FM 23-14. Squad Automatic Weapon 5.56mm. M249 SAW, 5.56 mm. Purpose of Equipment: M249 machine gun is designed as a fire team automatic weapon, to make contact with and destroy enemy.
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Squad Automatic Weapon 5.56mm
Purpose of Equipment: M249 machine gun is designed as a fire
team automatic weapon, to make contact with and destroy enemy.
The M249 machine gun can be used as a Squad Automatic Weapon
(SAW) or, as a Light Machine Gun (LMG).
It can be fired from the shoulder, or hand-held position, bipod
steadied position, tripod mounted position, or from pedestal ring
The M249 SAW is: Belt-fed, Gas operated, Air-cooled, and
Fires from the open bolt position.
Rifling is: Right hand twist, 1 turn in 7 inches.
Sights: Front………….Semi-fixed hooded post type.
Rear……Fully adjustable peep type for elevation & windage
Range Maximum…………...3600 meters
Maximum effective…1000 meters
Rate of Fire: (new style barrel)
Sustain (3-5 round burst)…50 rd./min
Rapid (8-10 round burst…100 rd./min..
Note: Rate of Fire for old style barrel was controlled by
gas regulator setting.
Cocking Handle Assy
Buttstock & Buffer Assy
100 or 200 rds Magazine
Cover & Feed Mech. Assy
Rear Sight Assy
Feed Tray Assy
Hand Guard Assy
Sling Assy (not shown) is also a component to the weapon.
-Provides support for sight
and feeds linked belt ammo
and holds cartridges in
position for stripping.
Gas cylinder Assembly:
-locks bipod in place & provides passage-way for operating gases.
Hand guard assembly
-houses firing pin & roller assembly
-provides feeding, stripping, chambering, firing, & extraction, using projectile gases for power.
-holds bolt & slide assy & houses the return spring.
-provides power to piston assy for moving slide & bolt assy forward.
-power from propelling gases to bolt & slide assy moves recoiling parts rearward.
-absorbs recoil for bolt, slide & piston
Operating rod assembly (0ld style):
-transfer recoil pressure to buffer in buttstock
-assembly is repairable & may be disassembled at organizational maintenance.
Note: Mandatory replacement of all 4 parts,
if extractor is taken apart for any reason.
All Bolt Assembly should be replaced with the new style that has the face of
the bolt modified with a cut-out that aids in extracting the cartridge case.
Left side of Receiver
Note: Tip of ejector must be well defined to ensure proper ejection.
Cleaning rods can easily damage ejector tip when they are used to
assure weapons are cleared on ranges.
-houses the trigger,sear, safety & controls the firing of the machine gun.
Red ring visible Ready to fire
Red ring not visible on safe.
Carrying Handle -fixed(non-folding)
Old Style Barrel
Flash Suppressor - minimizes muzzle flash
Gas Regular -is a two-position control to change the cyclic . Rate setting.
Carrying Handle - is
Compensator - minimizes flash, reduces & lessens muzzle climb.
New Style Barrel
Gas Regulator - has no effect on cyclic rate.
- Solid molder design containing a
New style Buttstock
- Collapsible buttstock with buffer,
which can change the overall length
of the machine gun.
Stock Gun, Shoulder: M5
Old style Buttstock
- Light weight tubular design with
Contains no hydraulic buffer.