CNC ME - PRO Hop-Up Chamber for M4/M16 by Maxx [Specna Arms]

- precisely-made form a block of aluminum using CNC technology
- ensured compatibility and tightness with M4 / M16 carbine replicas in Specna Arms / Tokyo Marui standard (including Krytac replicas but NOT KWA)
- rotary adjustment knob
- designed from scratch levers and concave nubs that provide issue-free operation with standard buckings and R-hop
- removable brass Slot Pin for configuring and maintenance
- compatible with 21 mm and 21.25 mm long nozzles
- full compatibility with majority of soft and hard HU buckings available on the market maintaining zero FPS drops and without any BBs falling out
- features a special CNC Delrin Locking C-Clip, that prevents vibrations and movement of the barrel
- equipped with 3 compression springs on top, at the bottom and in the middle of the chamber providing ideal and steady position in the replica
- compatible with every V2 gearbox 11 mm / 11.5 mm bore
- specially-designed BB Latching System preventing BBs from falling out once the magazine of the replica has been removed
- openable window that allows for simple taking out the BB from inside the chamber
- possibility of attaching a BB-illuminating module (not included in the set)

SPECIFICATION:
Length: 51 mm
Height: 37.75 mm
Hub Outer Diameter (for the gearbox): min 11 mm - max 11.5 mm
Hub Outer Diameter (for the external barrel): min 12 mm
Hub Inner Diameter (for the nozzle): min 11 mm - max 8.3 mm
Feeder Outer Diameter (for the magazine): min 11 mm - max 9.25 mm
Feeder Length (for the magazine): max 6.25 mm
Material: Aluminum 6061

The set includes:
1 x chamber with BB Latching system
2 x transparent, vinyl cover
1 x aluminum CNC Standard-Hop arm
1 x aluminum CNC R-Hop arm
1 x silicon Standard-Hop Nub Damper
1 x silicon Rubber R-Hop Nub Damper
1 x aluminum, precise CNC Hop Concave Nub 4.5 mm
1 x aluminum, precise CNC R-Hop Concave Nub 6 mm
1 x brass, rifled CNC Slot Pin
1 x CNC Delrin Locking C-Clip
1 x brass CNC Barrel Spacer
1 x brass O-ring Spacer Holder
3 x steel compression spring