MP22(K/SD/Carbine)

MP22(K/SD/Carbine) Details

If the KF5’s MP5 parts kit was a bit too pricey for your tastes, don’t worry the boys at GCI have you covered with the newly released MP22(K/SD/Carbine).

This MP5 variant includes all of the files needed in a variety of formats for the MP22K, MP22SD, and MP22 Carbine.

If you are not a fan of .22lr you may want to consider the pros of building out the MP22 which includes maximum LARP, ammo cost savings, and more design options.

Since the MP22(K/SD/Carbine) is chambered in .22 more of the firearm is able to be printed making for some seriously cool builds and with the final price tag coming in under $170 there is no excuse not to build this 3D printed MP5.

MP22(K/SD/Carbine) in the Wild

Photos

Video

MP22(K/SD/Carbine) Tech Specs

The MP22k utilized “hardware store” metal components with the rest being 3D printed.

The file package includes .3mf, .dxs, STEP files, and other community-made add-ons making this .22 MP5 one of the most customizable 3D guns to hit the scene.

The build guide is extremely detailed and includes step-by-step instructions to get your MP22 running and range-ready with minimal swearing.

Required Parts for the MP22(K/SD/Carbine)

Prerequisites

• Filament
• 3D Printer

Hardware

You will need the following hardware depending on your MP5 style variant for the MP22(K/SD/Carbine). All of the materials can be found at a hardware store and online:

1 – m1.5 x 10mm screw (front sight post)

1 or 2 – m3 x 20mm pins (charging handle arm)

2 – m3 x 18mm screws (barrel block with ramp)

3 – m3 x 32mm screws (barrel retainer)

1 – m3 x 8mm screw (fasten ejector block to magwell)

2 – m4 x 10mm screws for front handguard screws

1 – m4 x 35mm screw for bottom hole in handguard

1 – m4 x 35mm screw (retract brace button)

2 – m5 nuts (rear sight)

2 – m5 x 14mm (rear sight)

2 – m5 x 16mm screws (rear sight)

1 – 5mm ID spring (rear sight)

1 – 6mm x 300mm linear rod (bolt guide rod)

1 – 6mm x 12mm x 19mm Linear Bearings

https://a.co/d/1YQLQ4v

2 – 5mm x 38mm pins (endcap)

2 – 5mm x 34mm pins (upper pin and magwell)

2 – #138 Ace hardware springs- 2 1/2L x 21/64 OD x .028 WG (recoil spring) – full length springs

1 – m6 washer

2 – 1/4” rods 230mm length(retract brace arms)

1 – AK spring (or similar OD) piece (retract button)

1 – Barrel liner ~100mm

1 – 2oz Lead Sinkers

1 – AR15 FCG and fcg pins (5/32” rods cut to length would be a better option than factory fcg pins)

2 – 1.5mm rods for push safety or spring and detent for HK style safety

1 – 1/8” x 42mm rod (mag catch)

1 – nasal spray spring (or similar spring) for mag catch

1 – blackdog machine or cmmg spring for magazine

1 – bolt metal parts (made or purchased from SCS)

1 – extractor- 1/8″ or 3mm flatbar

1 – ejector- 16ga or 1.5mm

1 – bolt face plate- 18ga or 1.2mm

1 – extractor and ejector pins- 3mm or 1/8″ rod (27mm long for ejector)

1 – 5mm OD spring for extractor cut to ~5-8mm depending on strength of spring

1 – firing pin – 16ga or 1.5mm with 5mm OD spring cut to ~18mm

Tools

• Hand drill
• 1/16” drill bit
• 1/8” drill bit
• 1/4” drill bit
• 15/64” drill bit
• Files
• Two-part epoxy
• Kinetic sand
• Propane torch

Suggested 3D Printed MP22(K/SD/Carbine) Settings

The slicer settings are fairly standard for 3D guns but you should also use what you know works best for your printer. As this is a .22 variant the danger of “blowing up” is greatly reduced.

Nozzle Size: 0.4mm

Layer Height: 0.2mm

Walls: 4-5 layers

Infill Density: 100%

Filament

• PLA+ (eSun, Polymerk or stronger)
• PET-G
• Nylon

So what are you waiting for? If you are looking to LARP like an operator out of Rainbow Six the MP22(K/SD/Carbine) is the sub-machinegun for you!