• We recommend replacing the recoil spring on a Government 1911 every 2,000 rounds; on a Commander 1911 every 1,500 rounds; and on an Officer 1911, every 500 rounds.

• On a Government frame, we recommend using a 19# weight for .45 ACP and a 17# weight for 9mm.
• On a Commander frame, we recommend using a 21# weight for .45 ACP and an 18# weight for 9mm.
• For our T4 model, we recommend an 18# weight, while a contoured carry cut 1911 in .45 ACP will take a 23# weight spring.
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• Government .45 ACP: .190”
• Government 9mm: .180”
• Commander 9mm & .45 ACP: .180”

• Polish, radius, and tune extractor
• Adjust ejector for positive ejection if needed
• Polish the breech face
• Check the slide stop
• Throat the barrel/polish chamber and throat
• Adjust feed ramp angle and polish feed ramp
• Change recoil spring
• Check magazine release to be sure magazines drop free
• Test fire for function and reliability (20 rounds)

**Any parts that need to be replaced must be approved by customer prior to work being performed

• .45 ACP: .578 x 28
• 9mm: .500 x 28

• Yes, we can. We will insert a replacement spacer. No additional charge. A waiver needs to be signed by the customer to waive Nighthawk Custom of any liability.

*Can only be done with Match Grade complete trigger job

• Government .45 ACP: 17# Gov.
• Government 9mm: 10# Gov.
• Government .45 ACP Everlast: 22# Gov.
• Government 10mm: 23# Gov.
• Commander .45 ACP: 18# Comm.
• Commander 9mm: 12# Comm.
• Commander .45 ACP Everlast: 22# Comm.
• Commander 10mm: 22# Comm.
• Commander .38 Super: 12# Comm.
• Gov./Comm. 9mm Everlast: 13# Comm.
• Predator/AAC .45 ACP: 15# Gov.
• Predator 2 & 3: 15# Comm.
• T4: 13# Comm. flat wire cut down
• Long Slide: SP0421

• Hammer, sear, disconnector, trigger/set screw, sear spring, mainspring

**No hammer strut/hammer strut pin