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Airsoft China Lake Grenade Launcher

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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

  • 5.1k views
  • 44 likes
  • 23 downloads
  • 3 comments

License
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  • China Lake 40mm Grenade Launcher.zip

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Last update 2024-03-13 at 22:58
Publication date 2024-02-20 at 01:11
Design number 1799935

3D printer file info

3D model description

Airsoft 40mm Pump Action China Lake Grenade Launcher. This is a replica of the Vietnam prototype grenade launcher the China Lake. This is a Toy/Replica and not a functioning firearm.


The grenade launcher can hold 3 Shell in the magazine tube plus 1 in the chamber. This grenade launcher is designed for airsoft 40mm grenades that are less then 3.75 inches (95mm). I designed the launcher to fire Matrix Multi-purpose 40mm grenade(55rds) but any short 40mm grenade should work. I have also included a Instruction PDF with the download file with step by step process of the assembly.


Hardware

Socket Head Screws DIN 912:
-7x Socket Head Screw M3, 4mm
-1x Socket Head Screw M3, 6mm
-6x Socket Head Screw M3, 8mm
-5x Socket Head Screw M3, 10mm
-3x Socket Head Screw M3, 12mm
-4x Socket Head Screw M3, 16mm
-1x Socket Head Screw M3, 20mm
-2x Socket Head Screw M3, 25mm
-1x Socket Head Screw M3, 30mm
Springs:
-3x 0.3x2x40mm Spring
-4x 0.4x5x10mm Spring
-1x 0.4x5x15mm Spring
-2x 0.6x7x15mm Spring
-1x 0.7x7x30mm Spring
-1x Mag Tube Spring
-1x Firing pin spring
Spring Mandrel:
-8mm od 100mm length (Firing pin spring) (Comes with steel rod assortment set)(Pg.21 of pdf)
-7/8in od 20in length (Magazine tube spring) (7/8 Copper Pipe can be bought at Lowes/home depo.)(Pg.23 of pdf)
Other:
-7x M3x5.7 Brass Heat Set Inserts
-1x M12-1.75 Thread Pitch 250mm Length Threaded Rod
-1x 0.055" Diameter Music Wire


Links for all Hardware needed as well as for for assortment sets for Screws and Springs can be found in Instruction Pdf as well

https://www.amazon.com/gp/product/B0812TYT5L/
https://www.amazon.com/dp/B01LZ4SCU7?
https://www.amazon.com/gp/product/B09VZH6NS1/
https://www.amazon.com/gp/product/B087MD3ZBQ/?th=1
https://www.amazon.com/dp/B08N4TSNPW?
https://www.amazon.com/gp/product/B076LVYZ2R/
https://www.amazon.com/gp/product/B08BCRZZS3/
https://www.amazon.com/gp/product/B09VGL22CN/?th=1

3D printing settings

-All parts except for the Stock should be printed with 100% infill.
-The launcher can be printed out of PLA but I recommend printing parts out of PC, and PA6-CF. (The Instruction Pdf labels what part should be printed out of stronger filament)

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