Trencher Carbine - Functional Toy Blaster
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Bill of Materials
Description
THE TRENCHER CARBINE - Shooting and Shell-ejecting Toy Blaster.
IMPORTANT: This is a toy that fires a projectile! Never fire at pets or unwilling participants. This can damage drywall and eyeballs, use caution and protective eyewear. Never brandish this as a real weapon or bring it out in public. Just because you know it's a toy, doesn't mean other people will. Make sure to check your local laws regarding replica firearms/ toy guns. Enjoy, be safe, and be smart!
The Trencher Carbine is a fictionalized WW2 style gun, inspired by the experimental Nambu Type 2 SMG and the MP18 smg. It uses the JNKR-S as its base, so if you have built one of those already, you will have most of the parts already!
UPDATE: MAY 29, 2025
- Added a printable magazine spring for the long, curved magazine.
- Added and angled handguard for more of a space-cowboy asthetic.
FEATURES:
- Bolt-action Cycling
- Adjustable flip-up rear sight
- Shell-ejection
- Decently powerful shots
- 3 Different magazine types
HARDWARE:
| CORE PARTS | |
| PART | NUMBER NEEDED |
| M3x12mm Machine Screw | 3 |
| M3x18mm Machine Screw | 2 |
| M3x20mm Machine Screw | 2 |
| M3x25mm Machine Screw | 6 |
| M3x30mm Machine Screw | 1 |
| M3 Hexnut | 14 |
| 0.5 x 5 x 20mm Compression Spring | 2 |
| 0.8 x 10 x 140mm Compression Spring* | 1 |
| 1.0 x 10 x 110mm Compression Spring* | 1 |
| Drum Magazine Parts (Optional) | |
| Part | Number Needed |
| M3x30mm Machine Screw | 3 |
| M3x8mm Machine Screw | 2 |
| M3 Hexnut | 4 |
| 0.5 x 5 x 40mm Extension Spring | 1 |
*Can be found on AliExpress in 305mm lengths, will need to be cut down to the right size.
Tools:
- Screwdriver/Allen Key
- Wire Cutters
- Super Glue
- Metal Files/Sandpaper
BEFORE YOU BEGIN: Make sure you push an M3 hex nut into all hexagonal pockets and slots in the frame parts, furniture and bolt.
STEP 1: Lower Frame Assembly
STEP 2: Stock Assembly
STEP 3:
STEP 4: Upper Frame Assembly
STEP 5:
STEP 6:
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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