- New
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!
(upravuje se pomocí modulu Ujištění zákazníka)
(upravuje se pomocí modulu Ujištění zákazníka)
(upravuje se pomocí modulu Ujištění zákazníka)
Guarantee safe & secure checkout
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.