Note

If roller (2) is replaced, install new pin (5) and new spring (4). Remove pin (5), roller (2), and spring (4) from breech bolt (6). Discard pin (5).

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Install spring (4), roller (2), and new pin (5) into breech bolt (6).

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This task covers: a. Disassembly b. Inspection/Repair c. Reassembly INITIAL SETUP

Tools and Special Tools

Shop Set, Small Arms: Field Maintenance, Basic Less Power, PN SC 4933-95-CL-A11; SL-3-08724A (Marine Corps only); SL-3-00607A (Marine Corps only)

Materials/Parts

Crocus abrasive cloth (item 3, WP 0074 00) Nut, Self-locking, PN MS21083-C6 Wiping rag (item 11, WP 0074 00)

Equipment Condition

Trigger housing assembly removed from weapon (TM 9-1005-313-10).

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