Redshirt98
New Member
Four years ago I set out to build a Halo 3 Spartan Laser airsoft replica. I wanted it to be as accurate as possible in every way and be the airsoft equivalent of the in-game weapon. That meant lots of BBs. I settled on a design that was of full metal and fiberglass construction using three complete airsoft systems housed inside for a 2200+ BBs/minute rate of fire.
Here are the specs:
Full metal machined and welded lower receiver
Molded fiberglass upper receiver components
3 version 6 airsoft gearboxes
3 hop-up tracer units to operate red glow BBs for night games
Electric BB feed mechanism
Red sighting laser
2 XBOX 360 controller rumble motors
Custom electronics package
Function:
When fore grip is opened:
Master power switch is engaged
Front shroud opens via servo motor
Side markers illuminate
When trigger is pulled:
Sighting laser illuminates
Low-speed rumble motor starts
Electric BB feed system winds
After three seconds the high-speed rumble motor starts
After four seconds the servos close and fire the three airsoft systems and power the LED automotive tail light to back light the BBs
When the trigger is pulled hard:
Timers are overridden and the airsoft systems fire immediately
When the fore-grip is closed:
The front shroud retracts
The side markers power down
The master power switch is locked out
Construction:
The project began as a pepakura model that became the mold blanks for the upper receiver and the pattern for the aluminum lower receiver parts. The upper receiver is fully molded fiberglass for strength and the lower receiver is hand-machined and gas welded aluminum coated in a commercial ceramic firearms coating (Cerakote), The three airsoft systems are mated to the aluminum receiver and supplied via a custom feed mechanism and tubes. There are 215 screws holding it all together. Combat loaded it weighs 22 pounds due to the robust construction needed for airsoft play and the weight of three airsoft submachine gun assemblies inside.
Here is the night firing demo:
Here are some additional photos:
I'll have a daytime video soon showing servicing and daytime firing. The full build is carried on the 405th at Spartan Laser Metal & Fiberglass Airsoft Prop (Fully Functioning Electronic Replica) and on Airsoft Retreat at Airsoft Retreat - Airsoft & milsim news, reviews, forums, gallery, technical articles and community interaction
Hope you enjoyed it!
Redshirt98
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