Delivery before X-MAS only for orders received by December 17, 2025.

AA CNC Aluminum Hop-up Unit for AAP-01 GBB - Grey

CNC Aluminum Hop-Up Chamber for AAP-01 by Action Army in grey.

For Action Army AAP-01 and AAP-01C gas GBB pistols.

Precision pressure system for accurate long-range shots.

Easily lifts heavy BBs (0.28–0.40 g).

Compatible with VSR / GBB inner barrels and buckings.

Durable CNC-machined aluminum construction.

Official upgrade from the manufacturer!

54,53 € tax incl.

Availability: In Stock at store

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U01-019

: Action Army

Accessories

CNC Hop-Up Chamber for AAP-01 by Action Army

This precision aluminum hop-up chamber is designed for the popular full-auto Action Army AAP-01 and AAP-01C gas pistols. Made using CNC machining from high-quality aluminum, it ensures excellent durability and airtight sealing. The chamber greatly improves performance consistency and allows more precise hop-up pressure tuning. Thanks to the redesigned pressure system, it supports the use of heavy BBs ranging from 0.28 to 0.40 grams. The locking lugs are sized for GBB / VSR type inner barrels. The internal design ensures optimal pressure around the bucking, delivering perfect sealing, maximum muzzle velocity, and reliable BB feeding. Along with a quality bucking and barrel, this is a core upgrade part for boosting accuracy and extending range. As this is an official factory upgrade, you get guaranteed drop-in compatibility.

Key Features

  • CNC aluminum construction:
    Durable, lightweight, and precisely machined for stable performance.

  • More precise hop-up adjustment:
    Improves trajectory, range, and accuracy.

  • Compatible with GBB / VSR barrels and buckings:
    Easy installation with no modifications needed.

  • Enhanced bucking sealing:
    Improves shot-to-shot consistency and reduces variation.

Technical Specifications

  • Material: CNC-machined aluminum
  • Compatibility: Action Army AAP-01 / AAP-01C
  • Hop-up bucking type: GBB / VSR
  • Inner barrel type: GBB / VSR

Package Contents

  • CNC aluminum hop-up chamber for AAP-01
  • Mounting components
ColorGrey
Hop-Up chamber materialMetal
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