

- For SIG MPX-K Sportline
- CNC Aluminium handguard
- Turn your SMG into John Wick's MPX Carbine!
If you want to turn your SIG MPX-K Sportline into a platform fit for a legendary assassin and professional hitman, you need this conversion kit! The EMG X TTI JW3 Conversion Kit for Sportline MPX-K AEG adds an unmatched, premium style to the SIG Sportline MPX-K.
The set includes a CNC aluminium Handguard, Outer Barrel, Buffer Tube, Handguard Retainer, a polymer Magazine Well, Extended Magazine Base Plate and a steel Flash Hider. The handguard has an M-LOK attachment interface and a carbon fibre style finish.
The outer barrel has 14mm CCW threading, and the buffer tube comes with a 1913/20mm Picatinny adapter mount and is compatible with standard AEG stocks.
This conversion kit is only compatible with the SIG Sportline MPX-K AEG and will require disassembly and assembly knowledge for installation.
Fast Delivery
Delivery & Postage
Here at Patrol Base, we send all our packages from our Warehouse based in the UK with the exception of European Warehouse Items. All of our parcels are sent with specially picked couriers to ensure your parcels get to you on time and in one piece.
For more information please check out our Delivery Information Page.
Estimates
Below are some rough postage prices for orders. Please note these are subject to change and are only a rough guide. For a more accurate postage estimate please use the Postage Calculator at the basket.
UK 3-5 day Standard
£6.95
From
Dispatched with 24hr UK mainland
£8.95
From
Highlands / Islands
£24.99*
From
* Please note that Scottish Highlands, and Islands postage prices can vary wildly. Please refer to the Postage Calculator at the basket for the lowest possible price.
Returns
We want you to be absolutely happy with our products and services, so we provide the simple Patrol Base guarantee: if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.
You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.
For more information on returning products, and how to do it please visit our Returns Policy Page.
Description
Features
- CNC aluminium, steel and polymer construction
- Conversion kit for the SIG MPX-K Sportline
- Carbon fibre styled handguard
- 14mm CCW threaded outer barrel
- Steel ported flash hider
- 6-position buffer tube with 1913/20mm adapter mount
- OEM: King Arms
Package Includes
- EMG X TTI JW3 Conversion Kit for Sportline MPX-K AEG
- Handguard
- Outer Barrel
- Flash Hider
- Buffer Tube
- Flared Magwell
- Extended baseplate
Specification
General
Parts & Accessories Type | External Parts |
|---|---|
External Part Type | Conversion Kit |
Package Includes | Flash Hider Handguard Baseplate Outer barrel Mounting apparatus M4/AR-15 Buffer tube Flared Magwell |
Warnings | Parts Fitting Unique Part Custom Parts |
Construction
Item Colour | Black Carbon Fibre |
|---|---|
Construction | CNC Aluminium handguard, buffer tube and outer barrel. Polymer flared magwell and baseplate. Steel flash hider. |
Weight and Dimension
Product Height | Approx. 5.5cm |
|---|---|
Product Length | Approx. 35cm |
Product Width | Approx. 5cm |
Weight (KG) | Approx.1.13KG |
Part Specific
Rail System | M-LOK |
|---|---|
Platform Type | Submachine Gun |
Part for Power Source Type | Electric |
Suppressor Specific
Outer Barrel Thread Direction | CCW (Counter Clockwise) |
|---|---|
Outer Barrel Thread Size | 14mm |
Outer Barrel Thread Type | Male |

