Sleeve and retaining ring are under spring tension

9. Separate Retaining Ring (6), Sleeve (5), Spring (7), and Buttstock Assembly Body (8) from Buffer and Backplate Assembly (1). Discard retaining ring.

10. Inspect Sleeve (5) for deformation and replace if damaged. Inspect Spring (7) for breaks or cracks and replace if damaged. Inspect Buttstock Assembly Body (8) for dents, broken or cracked ears and bent or broken spring ring and replace Buttstock Assembly Body (8) if damaged.

11. Inspect pivot tab, sling swival tab and hole of Buffer and Backplate Assembly (1) for cracks and breaks. Replace if damaged.

SLING

SWIVEL

SLING

SWIVEL

HOLE

PIVOT TAB

HOLE

12. Inspect buffer plunger for spring tension, and oil leaks on face of Buffer and Backplate Assembly (1). If spring tension does not exist or an oil leak is detected, replace Buffer and Backplate Assembly (1).

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