BP monogramBlack PhantomsAirsoft
Internal upgrade work on an airsoft gearbox
BP Tech · Upgrades

Upgrades chosen for a goal, not a parts list.

Expensive parts do not make a gun perform. Matched parts do. Tell us the goal and we build the plan backwards from it.
Start with the outcome

What do you want it to do?

  • Faster trigger response

    Hi-capa trigger work: tuning the trigger, modifying the sear spring, and shaving and filing the engagement surfaces until the break is short and clean.

    Hi-capa platforms only. The feel comes from the sear engagement, not from a drop-in part.

  • Tighter, more repeatable grouping

    Bucking and nub selection, barrel-to-bucking matching, hop-up air seal, and verification by grouping test rather than assumption.

    Accuracy lives in the hop-up unit and the air seal. Barrel length is near the bottom of the list.

  • Consistent velocity, shot to shot

    Compression rebuild, nozzle fit, and spring selection to a target reading.

    Consistency is what wins engagements. Peak velocity mostly wins arguments.

  • Legal at my field, every time

    Spring selection tuned to your stated field limit with margin, then chronographed across a string of shots and documented.

    Tell us the limit and whether it is measured in FPS with a specific BB weight or in joules.

Upgrade services

The work itself.

Internal Upgrades

Internals chosen for a goal, not for parts count.

What this covers

  • Springs
  • Short stroke
  • Nozzle
  • Sear
  • Disconnector
  • Valve knocker
  • Leaf spring
Hop-Up Work

Bucking, nub and barrel. What actually controls accuracy.

What this covers

  • Bucking and nub selection
  • Barrel and bucking matching
  • Air seal at the hop-up
  • Grouping verification after install
Performance Tuning

Velocity to your field limit, trigger response, consistency.

What this covers

  • Velocity tuning to a stated field limit
  • Shot-to-shot consistency work
  • Trigger response tuning
  • Chronograph documentation
Parts Installation

You supply the parts. We fit them and verify the result.

What this covers

  • Customer-supplied part installation
  • Compatibility review before install
  • Function testing after install

Tell us this and the quote gets accurate

  • Field velocity limit

    The number, and whether it is FPS at a stated BB weight or joules.

  • How you play

    CQB, mid-range, DMR, support. It changes almost every choice.

  • BB weight you run

    Hop-up and barrel decisions depend on it.

  • Battery and connector

    What you have now, and whether you are willing to change it.

  • What has already been done

    Previous work, even if it did not go well. Especially if it did not go well.

  • Budget

    A real range lets us spend it where it does the most good.

BP Tech · Upgrades

Tell us the goal. We will spec the path.

Submit a request with your platform, your field limit and what you want it to do. You get a plan and an itemized estimate before anything is ordered.