Maruyama MP-IX / MP9 DX Gas Blowback Submachine Gun with Silencer in Black

The Maruyama MP-IX / MP9 DX is a compact gas blowback airsoft gun built for players who enjoy the mechanical feedback of a GBB platform but don't want to drag a full-length rifle through every doorway. With its high-impact polymer body, steel outer barrel, 45-round gas magazine and quick-detach mock silencer, the MP-IX has a purposeful modern profile without becoming bulky. More importantly, its short dimensions and fast-cycling action make it particularly well suited to CQB, where quick handling and rapid target transitions matter considerably more than having acres of handguard in front of you.

Starting at the muzzle, the DX package includes a BT-style mock silencer attached through a tri-lug quick-detach system. Push, twist and lock it into position and the front end takes on a noticeably more substantial appearance; remove it when you want the shortest possible setup. The suppressor assembly also features internal 14mm CCW threading, providing compatibility with suitable compact airsoft tracer units that can be housed within the mock silencer. Behind it sits a steel outer barrel assembly, adding strength and a satisfying bit of metal where it counts.

The main chassis uses high-impact polymer, keeping the MP-IX light and manoeuvrable while retaining a solid feel in the hands. That's a particularly sensible material choice on a compact submachine gun intended for fast movement. The reduced weight makes it easy to bring onto target, transition from one side of a barricade to the other and work through confined indoor spaces without feeling as though you're steering a fence post. Integrated Picatinny rail sections provide mounting space for compatible accessories, with the upper rail ideally positioned for a compact red dot or similar CQB optic.

Controls have been designed with practical skirmishing in mind. An HK-style ambidextrous fire selector gives access to safe, semi-automatic and full-automatic modes from either side of the replica. It's a much more natural arrangement for left-handed players and also makes manipulation easier when changing shoulders around cover. Semi-auto gives you controlled individual shots, while full-auto lets the lightweight bolt show what it can really do. The cycle is quick and crisp, producing the sharp mechanical recoil and movement that makes a gas blowback platform feel so different from an electric alternative.

Maruyama has paid useful attention to the internal wear components as well. The MP-IX features steel hammer and sear components together with a reinforced steel nozzle base, putting stronger materials into areas that experience repeated mechanical stress during cycling. That's particularly relevant on a select-fire GBB where full-auto can give the fire-control system a considerably busier life. Combined with the lightweight bolt carrier, the setup aims to provide fast operation without relying on unnecessarily heavy reciprocating parts that would consume more gas with every cycle.

Feeding the MP-IX is a 45-round translucent gas magazine with a smoke-coloured body and dummy cartridge detailing. The translucent construction isn't just there to look interesting; it lets you check the remaining BB count without removing the magazine and guessing how close you are to empty. The magazine is also stated to share compatibility with Maruyama's SCW-9 and SPC-9 family, which is useful for anyone already invested in those platforms or planning to carry enough magazines to use the MP-IX as a primary rather than an occasional secondary.

Performance is quoted at approximately 310-350 FPS, with actual output naturally depending on temperature, gas and operating conditions. Green gas is recommended, while the adjustable hop-up allows the trajectory to be tuned for your chosen ammunition. Maruyama recommends 0.25g to 0.28g BBs, giving you sensible options for balancing flight stability, range and response from this compact platform. As with any gas-powered airsoft gun, chronograph readings can change with ambient temperature, so always check the MP-IX against your site's current limits before play.

What makes the Maruyama MP-IX / MP9 DX interesting is how much it manages to squeeze into such a compact package. You get safe, semi and full-auto operation, an adjustable hop-up, steel internal components, a steel outer barrel, Picatinny accessory rails and a 45-round magazine, plus that quick-detach mock silencer straight from the box. It has the speed and manoeuvrability needed for indoor games while retaining enough adjustability to remain useful outdoors. For players looking for a modern gas blowback submachine gun with plenty of character and proper mechanical feedback, the MP-IX offers a refreshingly lively alternative to the usual AEG. If you've found it advertised for less elsewhere, send us the competitor's details through our Price Match service and we'll do our best to beat the advertised price.

Features

• Compact gas blowback submachine gun platform 
• BT-style quick-detach mock silencer included
• Tri-lug quick-detach silencer mounting system
• 14mm CCW internal threading for compatible accessories
• High-impact polymer main body construction
• Steel outer barrel assembly
• Steel hammer and sear components
• Reinforced steel nozzle base
• Fast-cycling lightweight bolt system
• HK-style ambidextrous fire selector
• Safe, semi-auto and full-auto fire modes
• Adjustable hop-up system
• 45-round translucent gas magazine
• Integrated Picatinny top and side accessory rails

What you get

• Maruyama MP-IX / MP9 DX Gas Blowback Submachine Gun 
• BT-style quick-detach mock silencer
• 45-round translucent gas magazine
• User manual
• Original packaging

Details

• Model: Maruyama MP-IX / MP9 DX
• Type: Gas blowback submachine gun
• Power source: Green gas
• Construction: High-impact polymer body
• Outer barrel: Steel construction
• Magazine capacity: 45 BBs
• Magazine type: Translucent gas magazine
• Fire modes: Safe / semi-auto / full-auto
• Hop-up: Adjustable
• Velocity: Approx. 310-350 FPS depending on gas and temperature
• Recommended BB weight: 0.25g-0.28g
• Suppressor mounting system: Tri-lug quick detach
• Internal accessory thread: 14mm CCW
• Rail system: Picatinny top and side rails
• Recommended gas: Green gas
• Colour: Black