M240 Flashcards

1
Q

Chambering

A

Pull Trigger Sear releases from Sear notch. Allowing Blot and operating Rod to go forward under spring tension. Feed horns strip round from feed tray groove. Cartridge guide keep downward pressure. Allowing round lip to connect to extractor and ejector which are compressed.

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2
Q

Locking

A

As Rod continues foreword. Lock lever and link are being pushed down by receiver cams in front of the lock shoulder

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3
Q

Firing

A

The Final foreward movement of operate rod allows firing pin to peotrude from blot face. Striking Primer. firing round

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4
Q

Unlocking

A

Gas Goes to port to regulation cup. Pushes Operating Rod to rear which raises Cocking lever and link above shoulder

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5
Q

Ejecting

A

Happens in two places empty link out of ejecting port. As bolt and Rod continue to the rear extractor pull and extractor pushes casing out of the ejection port on bottom of receiver

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6
Q

Extract

A

As Bolt & Rod move to rear. Extractor removes casing from chamber

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7
Q

Feeding

A

Is A two stage Process
1. As liner cam roller goes through Feed lever it brings feed paw together
2. As liner cam roller goes rear in feea lever it separates feed paw. Primary moves round to feed groove

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8
Q

Cocking

A

3 form of cocking
1. as trigger is held rear it lowers tripping lever releasing bolt and Rod- Auto
2.As Trigger is pulled it raises the tripping lever allouing the operate rod to hit trip lever which raises sear and connect sear notch - Mechanical
3. Feed Horns are far Back enough to strip round from feed way Groove.

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