Sight-in / bore-sight / zeroing

Match Grade Barrel Install (requires fitting and possible chamber work)

Install fixed iron sights (no machining)

De-horn / rounding / edge-breaking (slide/frame)

Ejection Port Lowering/Flare

Feed-ramp / chamber / throat polishing (reliability tune)

Drop-In Barrel Install

D.C.O.A. - Disassemble. Clean. Oil. Assemble

Function Check / Diagnostic

Trigger Job

Field strip, clean, oil, inspect & re-assemble