Description
KWA KMP9R Gas Blowback Rifle SMG (NS2 – with Rail – Ranger Grey – 102-00912)
The KWA KMP9R NS2 is a compact gas blowback submachine gun with additional rail space, finished here in Ranger Grey. Its short, boxy profile and integrated foregrip make it fast to bring on target, and the folding stock lets it shrink down to something not much bigger than a large pistol.
KWA is a long-established maker of gas blowback replicas known for strong, reliable systems, and the KMP9 family has become a favourite compact SMG for CQB. The R model adds extra rail space for accessories, while the Ranger Grey finish gives a modern, slightly lighter look than black.
Build and handling
A US retailer listing describes the KMP9R with a fibre-reinforced polymer frame and a steel inner barrel, giving a light but rigid gun that is easy to carry all day. The frame has an integrated vertical foregrip moulded in, which gives a natural, secure hold for your support hand.
The R model adds extra accessory rail space beneath the handguard area, according to the same retailer, so you can fit a light, laser or extra grip alongside the top and side Picatinny rails. The folding stock has a thumb groove and folds, making the gun very compact for carrying or moving through tight spaces.
Performance
This is a gas blowback design, so the bolt cycles with every shot for a crisp, lively feel. The retailer lists semi-automatic and fully automatic fire, chosen with a switch above the magazine release, an adjustable hop-up and an active trigger safety. The cocking handle works, and the gun field strips in a realistic way for cleaning.
The inner barrel is listed at 140mm with a 6.05mm bore, and the muzzle has a 14mm counter-clockwise (CCW) thread for a mock silencer or tracer unit. The retailer lists green gas as the power source and a 48-round magazine.
Getting started
Fill the magazine with green gas in short bursts with the can upright, load BBs and let the magazine settle for a moment. Start with the hop-up off, fire a few shots at a safe backstop, then add hop a little at a time until the BBs fly flat. Have the gun chronographed at your site before play.
Gas guns are happiest at a comfortable temperature. On cold days, keep spare magazines in an inside pocket and allow a moment between shots so the gas can recover.
Key features
- KWA KMP9R with NS2 gas blowback system
- Ranger Grey finish
- Semi and full auto (per a US retailer listing)
- Adjustable hop-up
- Fibre-reinforced polymer frame (per a US retailer listing)
- Integrated vertical foregrip
- Folding stock with thumb groove
- Picatinny rails on top and side; extra accessory rail space
- 14mm CCW muzzle thread (per a US retailer listing)
- Active trigger safety and working cocking handle
What’s in the box
- KMP9R NS2 SMG (per a US retailer listing)
- One magazine (per a US retailer listing)
- Manual (per a US retailer listing)
Compatibility
Use magazines made for the KWA KMP9/KMP9R. A US retailer lists a 48-round standard magazine, and we also list a KWA KMP9/KMP9R NS2 series 20-round metal gas magazine separately; please check that spare magazines are NS2 compatible before ordering.
The Picatinny rails take standard 20mm optics, lights and lasers, and the 14mm CCW thread suits most mock silencers and tracer units. We also list KWA KMP9 parts such as NS2 disconnectors and a muzzle device separately.
Care and maintenance
Put a drop of silicone oil on the magazine’s fill valve and seals every few fills, and store magazines with a little gas in them so the seals stay seated. Do not overfill, and in cold weather let magazines warm up to room temperature rather than heating them.
Wipe the moving parts and outer barrel with a thin film of silicone oil now and then, clean the inner barrel with a rod and patch, and use good quality seamless BBs. Never use petroleum-based oils on the seals, and keep the pistol and magazines away from heat and direct sunlight.
Who is it for?
This SMG suits players who want a light, compact gas blowback gun for CQB and woodland, with select fire and real recoil, and it makes a superb sidearm or main gun for fast-moving players.
Please note: Gas and BBs are not listed as included; a US retailer lists the gun, one magazine and a manual in the box. Always wear suitable eye and face protection when using airsoft replicas, and check your site’s rules and power limits before play.
Please note: what's in the box can vary between batches. If a detail such as included magazines, battery, charger or connector type matters to you, contact us or call 01842 683567 and we'll confirm before you order.










