Hop-Up CNC aluminium chamber M4A - PRO

Aluminum CNC Hop-Up chamber M4A - PRO

The highest quality Hop-Up chamber designed for tuning replicas of M4/M16 series carbines. The rotary chambers by Maxx Model Products are dedicated to the most demanding players, offering unprecedented precision on the market and perfect operation of the HU system in the replica.

Chamber features:

- precisely manufactured from a block of aerospace aluminium using CNC technology
- assured compatibility and tightness with M4/M16 airsoft rifles in Tokyo Marui standard (including G&G or Krytac replicas, however NOT suitable for KWA)
- rotary knob for adjustment
- redesigned precision HopUp and Bucking Nubs 4mm levers (6mm versions are optional), ensuring trouble-free operation with standard and R-hop elastics
- removable steel Pivot Pin for setup and maintenance
- works with nozzle lengths from 21.00mm to 21.25mm
- fully compatible with most soft and hard HU elastics available on the market, with zero FPS drop and ball loss
- fitted with a special CNC Delrin Locking C-Clip to prevent vibration and movement of the barrel
- equipped with 2 compression springs on top and in the middle of the chamber, ensuring perfect and secure seating in the replica
- fitted with an 11mm Inlet Adaptor for the gearbox (11.5 and 12mm versions available separately) to ensure the nozzle is centred in the chamber and reduce wobble
- added, replaceable brass side wings to improve chamber fit in the outer barrel
- redesigned"BB Latching System" to prevent the BBs from falling out when the magazine is removed from the replica
- The ball retainer can be pressed manually to release the BBs from the chamber
- possibility to mount a ball illumination module (not included)

Specifications:

Length: 51.65mm
Height: 37.75mm
Hub Outer Diameter (to gearbox): 11mm
Hub Outer Diameter (to outer barrel): 12mm
Hub Inner Diameter (to nozzle): 8mm
Feeder Outer Diameter (to magazine): min 8.85mm
Feeder Length (to magazine): max 6mm
Construction: Aluminum 6061

Included:

1 x CNC chamber with BB Latching system
2 x transparent vinyl CNC cover
2 x 2.5mm CNC brass side wing
1 x CNC steel Pivot Pin
1 x CNC aluminium HopUp arm
1 x CNC aluminium Soft Round Nub
1 x CNC aluminium Soft Flat Nub (4mm)
1 x CNC Aluminium Hard Concave Nub (4mm)
3 x steel Nub Spring
1 x CNC steel spring guide
1 x steel top compression spring
1 x steel central compression spring
1 x Delrin Locking C-Clip CNC
1 x CNC Brass Barrel Spacer
1 x Brass Spacer Holder Oring
1 x CNC aluminium adjustment knob
1 x CNC Aluminum Inlet Adaptor (11mm)
1 x CNC Brass Inlet Spacer