Push down on handguard slip ring (1) and lift the other handguard (2) up and out.
Front sight post and low light level front sight post removal/installation tool (fig E-1, app E)
Cleaner, lubricant and preservative (CLP) (item 9, app D)
Cleaning compound, rifle bore (RBC) (item 11, app D)
Lubricating oil, weapons LAW (item 20, app D)
Lubricating oil, weapons LSA (item 21, app D)
TM 9-1005-249-10 (operator's manual)
To avoid injury to your eyes, use care when removing and installing spring-loaded parts. When using solid film lubricant or dichloromethane, be sure the area is well ventilated.
Barrel assembly may be equipped with a low light level sight. The low light level sight contains radioactive material. If so equipped, do not insert metal objects into the post slot or otherwise treat roughly to cause breakage of the radioactive element.
2-19. UPPER RECEIVER AND BARREL ASSEMBLY (CONT).
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