Table Components And Purposes

COMPONENTS

PURPOSES

Barrel assembly

Houses cartridges for firing, directs projectile, and supports fixed front sight.

Butt group assembly

Serves as a shoulder support for aiming and fir-: ing SAW. Contains a folding shoulder rest.

Operating rod assembly

Absorbs recoil from bolt and operating rod as sembly at the end of recoil movement.

TABLE 1-1. COMPONENTS AND PURPOSES (CONTINUED)

COMPONENTS

PURPOSES

Piston assembly

Transfers power from propelling gases to bolt and slide assemblies in the functioning of the SAW (moves recoiling parts rearward).

Bolt assembly

Provides feeding, stripping, chambering, firing, and extraction, using the propellent gases and recoil spring for power.

Slide assembly

Houses firing pin and roller assembly.

Trigger mechanism assembly

Controls the firing of the weapon.

Cover/feed mechanism assembly

Feeds linked belt ammunition, and positions and holds cartridges in position for stripping, feeding, and chambering.

Rear sight assembly

Rear sight is adjustable for both windage and elevation.

Handguard assembly

Provides thermal insulation to protect the operator's hands from heat, and houses the cleaning equipment.

Bipod assembly

Supports SAW in prone position. The telescopic legs can be individually adjusted to three different lengths.

Receiver assembly

Serves as a support for all major components. Houses action of weapon and, through a series of cam ways, controls functioning of weapon.

Cocking handle assembly

Pulls the moving parts rearward. Moves in a guide rail fixed to the right side of the receiver.

Gas cylinder assembly

Locks bipod in place on receiver and provides passageway for operating gases.

Feed Pawl Assembly M249

BARREL ASSEMBLY I

HEAR SIGHT ASSEMBLY J

COVER AND FEED MECHANISM ASSEMBLY K

FEED PAWL ASSEMBLY L

COCKING HANDLE ASSEMBLY M

BlITT STOCK AND SHOULDER ASSEMBLY N

PISTON ASSEMBLY O BOLT ASSEMBLY

- SUDE ASSEMBLY

OPERATING ROD ASS RECEIVER ASSEMBLY^ TRIGGER MECHANISM AS HANDGUARD ASSEMBl^^<}; -• BIPOD MACHINE GUN GAS CYLINDER ASSEMBLY

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Responses

  • kiros
    What is the feed pawl assembly on the m249 saw?
    8 years ago
  • elide
    Which component group includes the front sight?
    2 months ago
  • Leea
    Which component group includes the front sight on the m249 saw?
    2 months ago

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