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Having recently completed Sig's P320 Armorer Course, I wanted to share the Factory Preventative Maintenance & Part Replacement Schedule with you...
Preventative Maintenance, Operator Performed:
Clean & Lubricate:
(a) After every firing or exposure to water, chemicals, dirt, or other contaminants.
(b) Monthly when carried as a duty weapon.
(c) Annually during storage.
Function Check:
Whenever disassembled and reassembled.
Preventative Maintenance, Armorer Performed:
(a) Field Strip & Inspection for proper Operator Maintenance: Annually
(b) Detailed Disassembly & Inspection: Every 3 years or 5,000 rounds fired.
Part Replacement Schedule, Operator Performed:
Recoil Spring:
(a) Full Size: 10,000 rounds fired.
(b) Compact: 5,000 rounds fired.
(c) Sub-Compact: 5,000 rounds fired.
Magazine Spring: When the magazine fails to lock the slide open.
Barrel: If the pistol exhibits key-holing or unacceptable accuracy.
Parts Replacement Schedule, Armorer Performed:
Extractor Spring: 20,000 rounds fired.
Extractor: 20,000 rounds fired.
Striker Assembly: 20,000 rounds fired.
Takedown lever: 20,000 rounds fired.
Slide Catch Lever: 10,000 rounds fired.
Slide Catch Lever Spring: 10,000 rounds fired.
Slide Catch Lever Post: 10,000 rounds fired.
Trigger Bar Spring: 10,000 rounds fired.
Preventative Maintenance, Operator Performed:
Clean & Lubricate:
(a) After every firing or exposure to water, chemicals, dirt, or other contaminants.
(b) Monthly when carried as a duty weapon.
(c) Annually during storage.
Function Check:
Whenever disassembled and reassembled.
Preventative Maintenance, Armorer Performed:
(a) Field Strip & Inspection for proper Operator Maintenance: Annually
(b) Detailed Disassembly & Inspection: Every 3 years or 5,000 rounds fired.
Part Replacement Schedule, Operator Performed:
Recoil Spring:
(a) Full Size: 10,000 rounds fired.
(b) Compact: 5,000 rounds fired.
(c) Sub-Compact: 5,000 rounds fired.
Magazine Spring: When the magazine fails to lock the slide open.
Barrel: If the pistol exhibits key-holing or unacceptable accuracy.
Parts Replacement Schedule, Armorer Performed:
Extractor Spring: 20,000 rounds fired.
Extractor: 20,000 rounds fired.
Striker Assembly: 20,000 rounds fired.
Takedown lever: 20,000 rounds fired.
Slide Catch Lever: 10,000 rounds fired.
Slide Catch Lever Spring: 10,000 rounds fired.
Slide Catch Lever Post: 10,000 rounds fired.
Trigger Bar Spring: 10,000 rounds fired.
