The Orca (Developers Pack)

about

The Orca is a 3D printed AR-15 rifle. The goal of the project was to print as much of the AR-15 
as possible, without compromising the performance.
The following components that would be on a factory AR-15 have been replaced by printed or 
non-firearm parts, or made unnecessary: Upper, lower, handguard, buffer tube, barrel nut, 
stock, grip, takedown pins, buffer retainer, etc.… This list is not exhaustive, but gives the reader 
an idea of the scope of this project.
The handguard and stock are attached to the receivers by tapered clips held in place by hose 
clamps. This system is strong and low profile.
The split line of the upper and lower has been fully redesigned from the simple split on a 
standard AR-15. This has been done to improve the strength of the upper, the upper-lower 
connection, and make the parts easier to print. 
The barrel mount at a minimum should be printed from a high temperature filament, such as 
glass filled Nylon. Preferably the upper and handguard should also be printed from a high temp 
filament. These requirements, and the need for accurate prints that properly fit together, make
this an advanced build. Precede with care. 
Premade support and modifiers are included for convenience. 
With most printers the Orca will require approximately 100 hours of print time.

 

Thank you Hoffman Tactical for developing the Orca and sspending your precious time on it!

files

File Extension
Orca Developers Pack.zip zip

versions

Version: 1.0.0 latest

Initial release

about

The Orca is a 3D printed AR-15 rifle. The goal of the project was to print as much of the AR-15 
as possible, without compromising the performance.
The following components that would be on a factory AR-15 have been replaced by printed or 
non-firearm parts, or made unnecessary: Upper, lower, handguard, buffer tube, barrel nut, 
stock, grip, takedown pins, buffer retainer, etc.… This list is not exhaustive, but gives the reader 
an idea of the scope of this project.
The handguard and stock are attached to the receivers by tapered clips held in place by hose 
clamps. This system is strong and low profile.
The split line of the upper and lower has been fully redesigned from the simple split on a 
standard AR-15. This has been done to improve the strength of the upper, the upper-lower 
connection, and make the parts easier to print. 
The barrel mount at a minimum should be printed from a high temperature filament, such as 
glass filled Nylon. Preferably the upper and handguard should also be printed from a high temp 
filament. These requirements, and the need for accurate prints that properly fit together, make
this an advanced build. Precede with care. 
Premade support and modifiers are included for convenience. 
With most printers the Orca will require approximately 100 hours of print time.

 

Thank you Hoffman Tactical for developing the Orca and sspending your precious time on it!

Download

Metrics

Views

2.2K

Downloads

276

Project Info

release date

Mar 04, 2023

artifact types

CAD Object, CAD Collection

library category

Reference Models

fabrication method

Not Printable

release country

United States

language

English

license

No license

Firearm Info

type

Rifle

platform

AR-15

caliber

.223 / 5.56x45

files

File Extension
Orca Developers Pack.zip zip

versions

Version: 1.0.0 latest

Initial release

The files shown on this site are only available to U.S. Persons, as defined at 22 C.F.R. 120.15. The files are also not available to persons outside the United States or to residents of and persons in the State of New Jersey, with the exception of Federal Firearms Licensees.

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