Mma Cont

Not Fully

Item

Item To Be Checked

Mission Capable

No.

Interval

Or Serviced

Procedure

If:

3

Quarterly

Barrel assembly

c. Check the barrel extension for

Barrel extension is

(cont)

(cont)

tightness to the barrel. This will be accomplished by moving the barrel extension up and down, side to side, and front to rear with the thumb and index finger, while visually examining it. If obvious play/movement occurs, evacuate to direct support maintenance.

d. Check for defective cartridge locator spring. Push the cartridge locator toward the barrel, and then release. The cartridge locator must move forward and back under spring pressure.

loose, bent, or cracked.

Cartridge locator does not move under spring pressure.

4

Quarterly

Receiver assembly NEW OLD

WARNING

Using the old style firing pin, part number 8448327, can

®<s>

cause injury to personnel

and damage to equipment

when firing a live round. The old firing pin must be replaced by the new firing pin, part number 12002970, whenever the old pin is identified in the weapon.

ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

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