{"product_id":"maxx-model-cnc-aluminum-hop-upchamber-for-m4-airsoft-aeg-rifles-model-m4i-pro-1","title":"Maxx Model CNC Aluminum Hop-UpChamber for M4 Airsoft AEG Rifles (Model: M4i PRO)","description":"\u003cp data-start=\"0\" data-end=\"79\"\u003e\u003cstrong data-start=\"0\" data-end=\"77\"\u003eMaxx Model CNC Aluminum Hop-Up Chamber M4i PRO for ICS Airsoft AEG Rifles\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp data-start=\"81\" data-end=\"545\"\u003eUpgrade your ICS AEG rifle to unmatched precision and consistency with the \u003cstrong data-start=\"156\" data-end=\"206\"\u003eMaxx Model CNC Aluminum Hop-Up Chamber M4i PRO\u003c\/strong\u003e — a premium, high-performance hop-up unit engineered for players who demand professional-grade accuracy and reliability. Specifically designed for \u003cstrong data-start=\"354\" data-end=\"400\"\u003eICS CXP, CS4, and EBB M4\/M16 AEG platforms\u003c\/strong\u003e, the M4i PRO delivers rock-solid alignment, exceptional air seal, and the kind of build quality only \u003cstrong data-start=\"502\" data-end=\"532\"\u003eMaxx Model’s CNC machining\u003c\/strong\u003e can offer.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"547\" data-end=\"550\"\u003e\r\n\r\n\u003ch3 data-start=\"552\" data-end=\"607\"\u003e\u003cstrong data-start=\"556\" data-end=\"605\"\u003ePrecision CNC Machining for Superior Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"608\" data-end=\"1010\"\u003eCrafted from a \u003cstrong data-start=\"623\" data-end=\"670\"\u003esolid block of aircraft-grade 6061 aluminum\u003c\/strong\u003e, the \u003cstrong data-start=\"676\" data-end=\"702\"\u003eM4i PRO hop-up chamber\u003c\/strong\u003e provides unmatched durability, stability, and accuracy. Each unit is CNC-machined with tight tolerances to minimize air leakage and barrel movement — key factors that directly affect accuracy and FPS consistency. The result? \u003cstrong data-start=\"928\" data-end=\"955\"\u003eCrisp, repeatable shots\u003c\/strong\u003e that perform at a competitive or professional level.\u003c\/p\u003e\r\n\u003cp data-start=\"1012\" data-end=\"1378\"\u003eThe \u003cstrong data-start=\"1016\" data-end=\"1038\"\u003erotary dial design\u003c\/strong\u003e offers \u003cstrong data-start=\"1046\" data-end=\"1089\"\u003eprecise and intuitive hop-up adjustment\u003c\/strong\u003e, giving players fine control over backspin for consistent flight paths. Whether you’re running \u003cstrong data-start=\"1185\" data-end=\"1221\"\u003estandard-hop, flat-hop, or R-hop\u003c\/strong\u003e, this hop-up chamber ensures every BB leaves the barrel with consistent trajectory and range — perfect for both competitive gameplay and technical builds.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"1380\" data-end=\"1383\"\u003e\r\n\r\n\u003ch3 data-start=\"1385\" data-end=\"1436\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1434\"\u003eOptimized Compatibility for ICS Platforms\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"1437\" data-end=\"1685\"\u003eUnlike standard M4 hop-ups, the \u003cstrong data-start=\"1469\" data-end=\"1491\"\u003eMaxx Model M4i PRO\u003c\/strong\u003e is built \u003cstrong data-start=\"1501\" data-end=\"1529\"\u003eexclusively for ICS AEGs\u003c\/strong\u003e, including \u003cstrong data-start=\"1541\" data-end=\"1569\"\u003eCXP, CS4, and EBB series\u003c\/strong\u003e. It is compatible with \u003cstrong data-start=\"1593\" data-end=\"1623\"\u003estandard AEG inner barrels\u003c\/strong\u003e and accepts \u003cstrong data-start=\"1636\" data-end=\"1682\"\u003enozzle lengths between 21.00mm and 21.25mm\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003cp data-start=\"1687\" data-end=\"1983\"\u003eTo ensure flawless fitment, the M4i PRO features a \u003cstrong data-start=\"1738\" data-end=\"1772\"\u003e12mm OD aluminum inlet adaptor\u003c\/strong\u003e, precisely engineered to seat the hop-up perfectly inside the \u003cstrong data-start=\"1835\" data-end=\"1871\"\u003eICS gearbox or HPA engine outlet\u003c\/strong\u003e. This design guarantees proper alignment, eliminates wobble, and enhances air seal for consistent FPS output.\u003c\/p\u003e\r\n\u003cp data-start=\"1985\" data-end=\"2139\"\u003eThe chamber’s \u003cstrong data-start=\"1999\" data-end=\"2023\"\u003eCNC brass side wings\u003c\/strong\u003e slide seamlessly into your outer barrel slots, keeping the unit centered and stable even during intense gameplay.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"2141\" data-end=\"2144\"\u003e\r\n\r\n\u003ch3 data-start=\"2146\" data-end=\"2187\"\u003e\u003cstrong data-start=\"2150\" data-end=\"2185\"\u003eEnhanced Air Seal and Stability\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"2188\" data-end=\"2578\"\u003eMaxx Model’s attention to detail is evident in its innovative \u003cstrong data-start=\"2250\" data-end=\"2279\"\u003eCNC Delrin Locking C-Clip\u003c\/strong\u003e system, which secures the inner barrel tightly without any twisting or wobble. Combined with \u003cstrong data-start=\"2373\" data-end=\"2411\"\u003ethree internal compression springs\u003c\/strong\u003e (top, bottom, and center), the hop-up chamber maintains perfect alignment inside your rifle — ensuring a completely airtight seal and \u003cstrong data-start=\"2546\" data-end=\"2575\"\u003emaximum energy efficiency\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003cp data-start=\"2580\" data-end=\"2756\"\u003eWith improved air compression and reduced air loss, players can expect an \u003cstrong data-start=\"2654\" data-end=\"2683\"\u003eFPS increase of 10–30 FPS\u003c\/strong\u003e compared to stock hop-up setups, depending on the rest of their build.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"2758\" data-end=\"2761\"\u003e\r\n\r\n\u003ch3 data-start=\"2763\" data-end=\"2822\"\u003e\u003cstrong data-start=\"2767\" data-end=\"2820\"\u003eBB Latching System — Precision Meets Practicality\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"2823\" data-end=\"3097\"\u003eThe \u003cstrong data-start=\"2827\" data-end=\"2838\"\u003eM4i PRO\u003c\/strong\u003e includes Maxx’s signature \u003cstrong data-start=\"2865\" data-end=\"2887\"\u003eBB Latching System\u003c\/strong\u003e, which prevents BBs from dropping out when removing the magazine — a common issue with standard hop-ups. This system conserves ammunition and maintains a clean reload experience during high-pressure matches.\u003c\/p\u003e\r\n\u003cp data-start=\"3099\" data-end=\"3261\"\u003eNeed to clear your chamber? Simply press the latch manually to release remaining BBs — a feature that adds both convenience and professionalism to your loadout.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"3263\" data-end=\"3266\"\u003e\r\n\r\n\u003ch3 data-start=\"3268\" data-end=\"3315\"\u003e\u003cstrong data-start=\"3272\" data-end=\"3313\"\u003eEngineered for Tuning and Performance\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"3316\" data-end=\"3665\"\u003eThe hop-up lever and included \u003cstrong data-start=\"3346\" data-end=\"3387\"\u003esoft, flat, and concave aluminum nubs\u003c\/strong\u003e are optimized for R-Hop and Flat-Hop setups, offering unparalleled flexibility for different playstyles. Compatible with both \u003cstrong data-start=\"3514\" data-end=\"3547\"\u003esoft and hard rubber buckings\u003c\/strong\u003e, the chamber allows players to experiment with hop-up pressure and consistency without FPS drops or feeding issues.\u003c\/p\u003e\r\n\u003cp data-start=\"3667\" data-end=\"3807\"\u003eWhether you’re fine-tuning for CQB precision or long-range DMR consistency, the M4i PRO ensures \u003cstrong data-start=\"3763\" data-end=\"3804\"\u003eelite-level performance and stability\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"3809\" data-end=\"3812\"\u003e\r\n\r\n\u003ch3 data-start=\"3814\" data-end=\"3836\"\u003e\u003cstrong data-start=\"3818\" data-end=\"3836\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cul data-start=\"3837\" data-end=\"4253\"\u003e\r\n \t\u003cli data-start=\"3837\" data-end=\"3872\"\u003e\r\n\u003cp data-start=\"3839\" data-end=\"3872\"\u003e\u003cstrong data-start=\"3839\" data-end=\"3852\"\u003eMaterial:\u003c\/strong\u003e CNC 6061 Aluminum\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3873\" data-end=\"3904\"\u003e\r\n\u003cp data-start=\"3875\" data-end=\"3904\"\u003e\u003cstrong data-start=\"3875\" data-end=\"3894\"\u003eOverall Length:\u003c\/strong\u003e 51.65mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3905\" data-end=\"3936\"\u003e\r\n\u003cp data-start=\"3907\" data-end=\"3936\"\u003e\u003cstrong data-start=\"3907\" data-end=\"3926\"\u003eOverall Height:\u003c\/strong\u003e 37.75mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3937\" data-end=\"3967\"\u003e\r\n\u003cp data-start=\"3939\" data-end=\"3967\"\u003e\u003cstrong data-start=\"3939\" data-end=\"3960\"\u003eInlet Adaptor OD:\u003c\/strong\u003e 12mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3968\" data-end=\"3988\"\u003e\r\n\u003cp data-start=\"3970\" data-end=\"3988\"\u003e\u003cstrong data-start=\"3970\" data-end=\"3981\"\u003eHub OD:\u003c\/strong\u003e 12mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3989\" data-end=\"4020\"\u003e\r\n\u003cp data-start=\"3991\" data-end=\"4020\"\u003e\u003cstrong data-start=\"3991\" data-end=\"4014\"\u003eHub Inner Diameter:\u003c\/strong\u003e 8mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4021\" data-end=\"4046\"\u003e\r\n\u003cp data-start=\"4023\" data-end=\"4046\"\u003e\u003cstrong data-start=\"4023\" data-end=\"4037\"\u003eFeeder OD:\u003c\/strong\u003e 8.85mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4047\" data-end=\"4073\"\u003e\r\n\u003cp data-start=\"4049\" data-end=\"4073\"\u003e\u003cstrong data-start=\"4049\" data-end=\"4067\"\u003eFeeder Length:\u003c\/strong\u003e 6mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4074\" data-end=\"4130\"\u003e\r\n\u003cp data-start=\"4076\" data-end=\"4130\"\u003e\u003cstrong data-start=\"4076\" data-end=\"4094\"\u003eCompatibility:\u003c\/strong\u003e ICS CXP \/ CS4 \/ EBB M4 \u0026amp; M16 AEGs\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4131\" data-end=\"4169\"\u003e\r\n\u003cp data-start=\"4133\" data-end=\"4169\"\u003e\u003cstrong data-start=\"4133\" data-end=\"4151\"\u003eNozzle Length:\u003c\/strong\u003e 21.00mm–21.25mm\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4170\" data-end=\"4211\"\u003e\r\n\u003cp data-start=\"4172\" data-end=\"4211\"\u003e\u003cstrong data-start=\"4172\" data-end=\"4194\"\u003eExpected FPS Gain:\u003c\/strong\u003e +10 to +30 FPS\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4212\" data-end=\"4253\"\u003e\r\n\u003cp data-start=\"4214\" data-end=\"4253\"\u003e\u003cstrong data-start=\"4214\" data-end=\"4233\"\u003eMaterial Grade:\u003c\/strong\u003e Aluminum 6061 CNC\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp data-start=\"4255\" data-end=\"4457\"\u003e\u003cstrong data-start=\"4255\" data-end=\"4272\"\u003eKit Includes:\u003c\/strong\u003e CNC aluminum M4i PRO chamber, side covers, brass side wings, steel pivot pin, aluminum lever, aluminum nubs, compression springs, locking C-clip, brass spacers, and rotary dial knob.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"4459\" data-end=\"4462\"\u003e\r\n\r\n\u003ch3 data-start=\"4464\" data-end=\"4505\"\u003e\u003cstrong data-start=\"4468\" data-end=\"4505\"\u003eWhy Choose the Maxx Model M4i PRO\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cul data-start=\"4506\" data-end=\"4854\"\u003e\r\n \t\u003cli data-start=\"4506\" data-end=\"4557\"\u003e\r\n\u003cp data-start=\"4508\" data-end=\"4557\"\u003eCNC-machined from solid aircraft-grade aluminum\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4558\" data-end=\"4603\"\u003e\r\n\u003cp data-start=\"4560\" data-end=\"4603\"\u003eRotary dial for precise hop-up adjustment\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4604\" data-end=\"4647\"\u003e\r\n\u003cp data-start=\"4606\" data-end=\"4647\"\u003ePerfectly fits ICS AEGs (CXP, CS4, EBB)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4648\" data-end=\"4701\"\u003e\r\n\u003cp data-start=\"4650\" data-end=\"4701\"\u003eTight barrel locking system for superior air seal\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4702\" data-end=\"4743\"\u003e\r\n\u003cp data-start=\"4704\" data-end=\"4743\"\u003eBB latching system prevents ammo loss\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4744\" data-end=\"4802\"\u003e\r\n\u003cp data-start=\"4746\" data-end=\"4802\"\u003eOptimized for R-Hop, Flat-Hop, and Standard-Hop setups\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"4803\" data-end=\"4854\"\u003e\r\n\u003cp data-start=\"4805\" data-end=\"4854\"\u003eIncreases FPS and consistency across every shot\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-start=\"4856\" data-end=\"4859\"\u003e\r\n\r\n\u003ch3 data-start=\"4861\" data-end=\"4894\"\u003e\u003cstrong data-start=\"4865\" data-end=\"4894\"\u003eAbout Maxx Model Products\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp data-start=\"4895\" data-end=\"5301\"\u003eFounded in Canada in 2001 as \u003cstrong data-start=\"4924\" data-end=\"4937\"\u003eMicroHeli\u003c\/strong\u003e, Maxx Model began designing precision CNC components for RC helicopters, drones, and cars. In 2016, they expanded into Airsoft, quickly earning a reputation for innovation and craftsmanship with the \u003cstrong data-start=\"5137\" data-end=\"5161\"\u003eM4 PRO hop-up series\u003c\/strong\u003e. Today, Maxx Model continues to set the standard for \u003cstrong data-start=\"5215\" data-end=\"5258\"\u003eprecision-engineered Airsoft components\u003c\/strong\u003e, trusted by builders and pros worldwide.\u003c\/p\u003e","brand":"Maxx","offers":[{"title":"Default Title","offer_id":47468105433318,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6393\/2390\/files\/8d5f6b90-MX-HOP010MI_01-1000x1000-1.jpg?v=1774002142","url":"https:\/\/ngrwzj-i1.myshopify.com\/products\/maxx-model-cnc-aluminum-hop-upchamber-for-m4-airsoft-aeg-rifles-model-m4i-pro-1","provider":"CQC Airsoft ","version":"1.0","type":"link"}