Custom Gearbox Installation Services (Level 1–5)
Select the perfect gearbox service level for your build — from basic maintenance to full CNC gearbox installs. All services are performed by our experienced technicians at Umbrella Armory .EU and include professional-grade precision, tuning, and testing.
Compare All Gearbox Service Levels:
Level |
Name |
Scope of Work |
Ideal For |
Price (EUR) |
Level 1 |
Spring Swap / Basic Maintenance |
Spring change, regrease, compression check |
Entry-level or minor FPS tuning |
€49.99 |
Level 2 |
Core Rebuild |
Shim, AOE, compression, up to 3 parts installed |
Moderate internal tuning |
€89.99 |
Level 3 |
Performance Build |
MOSFET + trigger install, up to 5 parts, pre-cocking setup |
High-speed or DMR tuning |
€149.99 |
Level 4 |
Full Custom Install |
Complete rebuild with all internals and tuning |
Full kit installs or performance customers |
€199.99 |
Level 5 |
CNC Gearbox Full Build |
Install into CNC gearbox from scratch with 100% new parts |
Custom pro builds & flagship platforms |
€249.99–€299.99 |
Note: Pricing does not include parts. This is a labor-only service product. Add-on options such as MOSFET setup or bearing install may be selected at checkout or bundled separately.