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Last Updated on Wed, 10 Jul 2013 | ARMY M16 Maintenance

3. Install disconnector spring (4) by inserting large end of spring into trigger (5).

4. Install trigger spring (6) on trigger (5).

3-16. LOWER RECEIVER AND RECEIVER EXTENSION ASSEMBLY.
This task covers:
a. Disassembly	c. Repair/Modify
b. Inspection	d. Reassembly
INITIAL SETUP
Tool Equipment	Equipment Conditions
Tool and Gage Set (item 2, app B)	3-62 Lower receiver and receiver ex
	tension assembly removed
Tools
(ARMY) Small Arms Repairman Tool Kit	General Safety Instructions
(item 3, app B)	To avoid injury to your eyes, use care
Field Maintenance Basic Less Power	when removing and installing spring-
Small Arms Shop Set (item 1, app B)	loaded parts.
	When using solid film lubricant or
Materials/Parts	dichloromethane, be sure the area is
Cloth, abrasive (item 13, app D)	well ventilated.
Grease, molybdenum disulfide (item 19,
app D)
Lubricant, solid film (item 21, app D)	a. DISASSEMBLY 1. Remove spring pin (1) from lower receiver (2) using 1/8 inch drive pin punch and hand hammer. 2. Remove trigger guard (3).