Let’s be honest… if you push your AEG in power or rate of fire, your V2 gearbox takes a hit. And the most fragile area ? The front of the gearbox, where stress accumulates with every shot.
The PPS Mblock V2 for M4/M16, designed in CNC aluminium, is precisely there for that : reinforce this critical area and prevent breakage. A discreet part, but clearly essential as soon as you move away from a stock setup.
Essential protection for V2 gearbox
The Mblock is positioned at the hop-up chamber level to support the front of the gearbox. It absorbs part of the mechanical stress.
With this PPS V2 model, you benefit from :
Effective reinforcement against gearbox cracks
More rigid support between hop-up and gearbox
Better distribution of forces at each cycle
Result ? A gearbox that handles stress better… and lasts much longer.
Ideal for powerful and responsive setups
It is simple : the more you increase power or rate of fire, the higher the risk of breakage.
This Mblock is particularly recommended if you use :
A powerful spring
A high speed setup
A LiPo battery with strong responsiveness
Clearly, it is the kind of part you install before having a problem… not after.
CNC aluminium : strength and precision
This model is CNC machined aluminium, which guarantees :
Excellent mechanical resistance
Perfect fitting precision
Long-term durability
Far from approximate solutions. Here, we are talking about a real reliability upgrade.
Compatible M4 / M16 : an essential standard
The PPS Mblock V2 is designed for M4 / M16 type platforms equipped with V2 gearbox.
This allows :
Perfect integration with standard hop-up chambers
Clean installation without major modification
Compatibility with most AEG on the market
A real classic for anyone working on AR platforms.
A smart upgrade to preserve your replica
Whether you are building an advanced setup or simply making your AEG more reliable, this part is a logical choice.
It integrates perfectly into a global approach with :
A properly shimmed gearbox
Optimized air seal
Efficient wiring
Because in the end, a reliable replica… is a replica that lasts over time.
FAQ – PPS Mblock V2 for M4 / M16
What is an Mblock used for in airsoft ?
It reinforces the front of the V2 gearbox to prevent cracks or breakage caused by mechanical stress during firing.
Is it really useful ?
Yes, especially on powerful or high-speed setups. It is a very effective preventive part.
Is this model compatible with all replicas ?
It is designed for M4 / M16 with V2 gearbox and compatible hop-up chamber.
Is it difficult to install ?
Installation requires partial disassembly of the replica, but remains accessible with basic knowledge in airsoft mechanics.
Is it mandatory for an upgrade ?
It is not mandatory, but strongly recommended as soon as you increase the power or rate of fire of your AEG.
