Features Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability Improved accuracy and ensure consistent air seal for ICS CXP/CS4/EBB (include old models) M4/M16 AEG series Precision rotary dial design for fine hopup adjustments Re-engineered the hopup levers and concave nubs to work best with R-hop, Flat-Hop and Standard-Hop to keep the BBs shooting straight and accurate on every single shot Removable Brass Threaded Slot Pin for setup and maintenance Compatible with ICS stock nozzle, or nozzle length from 21.00mm to 21.25mm Fully compatible with stock bucking and most aftermarket soft and hard rubber bucking without losing FPS or dropping BBs Specially designed with BB Latching System to prevent dropping BBs after removing the magazine, manually opened to release BBs from inside hopup chamber by hand
CNC Aluminum Hopup Chamber MI Pro (with BB Latching System) unit is precisely made to improve accuracy and ensure consistent air seal for ICS CXP/CS4/EBB (include old models) M4/M16 AEG series.
The Hopup Chamber MI unit has a precision rotary dial design for fine hopup adjustments, also re-engineered the hopup levers and concave nubs to work best with R-hop, Flat-Hop and Standard-Hop to keep the BBs shooting straight and accurate on every single shot.
The Hopup Chamber MI unit is designed to accept ICS stock nozzle, or nozzle length from 21.00mm to 21.25mm, and also fully compatible with stock bucking and most aftermarket soft and hard rubber bucking without losing FPS or dropping BBs.
The Hopup Chamber MI Housing is equipped with a new CNC Delrin Locking C-Clip design to hold barrel tight without wobbling and twisting, and 3 compression springs on top, at bottom and in center of housing to ensure the hopup unit is exactly centered, straight and air tight at all times when adapted to stock gear box or any V2 gear boxes with 11.5mm or 12mm inner bore.
More than that, the Hopup Chamber MI Pro unit is specially designed with BB Latching System to prevent dropping BBs after removing the magazine. The Latching System can be also manually opened to release BBs from inside hopup chamber by hand.
***Test results: FPS might be increased by 5% to 10%. Please check your FPS!
Hopup Kit Includes: 1 x CNC Aluminum Hopup Chamber MI Pro (with BB Latching System) unit 2 x Strong Clear Vinyl Cover 1 x CNC Aluminum Standard-Hop Arm 1 x CNC Aluminum R-Hop Arm 1 x Silicone Rubber Standard-Hop Nub Damper 1 x Silicone Rubber R-Hop Nub Damper 1 x CNC Aluminum 4.5mm length Precision R-Hop Concave Nub 1 x CNC Aluminum 6mm length Precision R-Hop Concave Nub 1 x CNC Brass Threaded Slot Pin 1 x CNC Delrin Locking C-Clip 1 x CNC Barrel Brass Spacer 1 x Brass Spacer Holder Oring>/li> 3 x Steel Compression Spring Overall Length:
Hub Outer Diameter (to fit into Outer Barrel):
Hub Inner Diameter (to fit Nozzle):
Feeder Outer Diameter (to fit magazine):
Feeder Length (to fit magazine):
Compatible with ICS CXP/CS4/EBB (include old models) M4/M16 AEG series
About Maxx Model Products
Maxx Model Products design, manufacture, and make high quality parts for Airsoft products.
(Write a review) "Review for M4i PRO
I installed this in my ICS PCR-97 Olympic Arms M4. This is an older ICS M4 replica, while it does fit, some modification is required.
I had to trim the large centering spring (spring that goes over inner barrel) I trimmed about a coil and a half to get the upper gearbox to fully seat.
I had to buy a MAXX adjustable 19-22mm nozzle to get the bbs to properly feed (they were jamming against the stock nozzle due to length.
I paired this with a Prommy EG barrel and Maple Leaf Macaron bucking. (bucking fit perfect, I had to slightly widen the c clip locking channel on the barrel to get the c clip to fully click into place (this probably is only a concern on the prommy eg barrels)
After the modifications required to make this work in my ICS, I am very pleased with the results.
This hop up is engineered so well and the build quality is excellent. Well worth the price in my opinion. I highly recommend this hop up. "Got the M4i for a CXP MARS II, used with an rhop setup. ZCI barrel, plus elvish tactical patch, modify flat bucking and this MAXX's soft flat nun works fantastic. Even at a low spring weight (M110) you can sail .30 g BBs out to 225 feet. It's a sight to be held. "Slammed one of these in a stock new G&G combat machine with a brushless motor, modify bucking and a laylax tightbore barrel. performance is stellar, the latch system is great, the window in which you can finally visibly see the bbs is great. everything is great about it honestly, if you want to up your performance overall get one! comes already assembled out of the box with 3 in total hop up arms very sturdy and all around will last you a VERY long time
also to MY understanding the Maxx Pro M4A is meant for most AEG's.... again just my understanding, i could be wrong Read More Reviews Write a Review
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