BCA Level 3 Upgraded ASG CZ Scorpion EVO Carbine

Custom Gun Builds

Z Custom Airsoft Work

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Level 3 Efficiency Build

-PDI 6.05mm SUS304 Stainless Steel Inner Barrel OR Lambda 6.05mm SUS304 Stainless Steel Inner Barrel (depending on availability)
-PDI W-Hold bucking
-Prometheus POM Piston Head with X-Ring
-SHS 14T 7 Hole Lightened Piston
-SHS CNC Aluminum Cylinder Head with Sorbo Pad
-SHS Aluminum Air Seal Nozzle with O-Ring
-Siegetek 14.09:1 Chromium Molybdenum Steel Gear Set
-ASG 28TPA 18000 RPM Motor
-8mm Steel Bushings

A full upgrade service rebuilds your entire mechbox with only the best parts available. We use Siegetek gears which are virtually indestructible, as they are the only gears on the market that are CNC machined out of chromium molybdenum steel. We pair them with a Tienly or ASG motor. In our opinion, they make some of the best motors on the market.

Only the best components will be selected, modified, and installed to work in perfect harmony inside your gearbox. This route offers the best in both performance and reliability.

We do not offer a Level 3 High Speed Build for the ASG Scorpion EVO as we do not want to put too much load on the proprietary ASG trigger board MOSFET.

Estimated ROF:

~25 RPS with 11.1v lipo battery

Muzzle Velocity:

Please indicate requested FPS range while ordering, for example, 370 - 400 FPS.

  • Estimated lead time: 2 - 4 weeks
  • Product may come with orange tip
  • We recommend using .28g ammo or heavier with our barrel group setups.
  • AEG Tuning Services Provided by Z Custom Airsoft Works

Why do we not build DSGs?

Here at BlackBlitz Airsoft, our tech team is extremely performance oriented so some may find it surprising that we do not build DSG (Dual Sector Gear). Through experience, we have found that DSG setups are largely impractical for field use. They are volume limited, and extremely inefficient compared to SSG (Single Sector Gear) setups. They also do not provide a better trigger response or rate of fire than a well-built SSG. DSG setups became an experimental fad from when people had not figured out how to build SSG setups properly. Our techs have built SSGs up to 60 RPS at 380 FPS on 11.1V. There is some merit for DSG setups once you begin to use 14.8V and are reaching 70+ RPS, but those are mere showpieces and not practical for field use. 

Our normal turnaround time is roughly two weeks, however, we often complete the work much faster. We also sometimes experience unexpected delays due to tech backlog, unanticipated compatibility issues, etc. so our stated turnaround times are only estimates. We will not guarantee a gun returned by a certain date, but we will do our best to meet your deadlines. If a work order is not completed by the expected date, we will not offer a refund or discount on the work order unless the delay is deemed excessive at our discretion.

At BlackBlitz Airsoft we care about the quality of our tech work. Upgrades and repair services performed through BlackBlitz Airsoft are guaranteed for parts and workmanship for a period of 90 days unless stated otherwise. If a problem occurs or there is a concern with the work we have done, please contact us for troubleshooting. If it is determined that a part was defective or work was done improperly, we will provide shipping instructions and cover return shipping.

Only problems occurring during normal use are covered. User error and misuses such as using low-quality ammunition or excessive power supplies are not covered.

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