M4 build

blind eye

Name: blind eye
Brand: PolarStar
Price: 2239.00 USD
Availability: InStock

by Anonymous

Published Aug 3, 2025 · 0 comments

Compatibility: 19 incompatibilities · 2 warnings

Angel Custom 6.01mm Barrel is an AEG-only part — this replica is HPA.
Big Dragon Air Nozzle is an AEG-only part — this replica is HPA.
JG 8mm Bearings is an AEG-only part — this replica is HPA.
Prometheus Cut Off Lever is an AEG-only part — this replica is HPA.
Element Cylinder Set is an AEG-only part — this replica is HPA.
Element Cylinder Head is an AEG-only part — this replica is HPA.
Big Dragon Cylinder is an AEG-only part — this replica is HPA.
JG Gearbox Shell is an AEG-only part — this replica is HPA.
SRC 16:1 Gear Set is an AEG-only part — this replica is HPA.
Madbull High Speed Motor is an AEG-only part — this replica is HPA.
FPS Softair Piston Head is an AEG-only part — this replica is HPA.
SHS Piston is an AEG-only part — this replica is HPA.
Modify Selector Plate is an AEG-only part — this replica is HPA.
Guarder Sorbo Pad is an AEG-only part — this replica is HPA.
SHS Enhanced Spring Guide is an AEG-only part — this replica is HPA.
Big Dragon M150 Spring is an AEG-only part — this replica is HPA.
Big Dragon Tappet Plate is an AEG-only part — this replica is HPA.
Guarder TM NGRS Gear Set is an AEG-only part — this replica is HPA.
Jefftron Leviathan V3 Optical MOSFET is an AEG-only part — this replica is HPA.
Picked parts target different gearbox versions (V2 and V3).
2 inner-barrel parts picked — only one fits a gearbox.

Built on

PolarStar Fusion Engine

M4 platform · Price band No-limit

$2,239.00

Build total

$1,739.00

Parts spend

30 of 30

Slots filled

Cost split

Replica: $500.00
Gearbox: $478.00
Optics & Accessories: $460.00
Core: $325.00
Externals: $276.00
Barrel & Hop-Up: $200.00

Slot coverage

Core: Gearbox ShellMotorHPA Engine & Air System
Gearbox: Gear SetSpringPistonPiston HeadCylinderCylinder HeadAir NozzleSpring GuideTappet PlateMOSFET & Trigger GroupBushings & BearingsShock ReductionCylinder / Tune-Up KitTM NGRS Parts
Barrel & Hop-Up: Inner BarrelSniper Inner BarrelHop-Up
Externals: StockFore GripHandstopRails & MountsSuppressorBipodSling
Optics & Accessories: OpticWeapon LightLaser

Part list

33 parts

Slot	Component	Price
Replica	PolarStar Fusion EngineReplicaAngel Custom 6.01mm Barrel is an AEG-only part — this replica is HPA.Big Dragon Air Nozzle is an AEG-only part — this replica is HPA.JG 8mm Bearings is an AEG-only part — this replica is HPA.Prometheus Cut Off Lever is an AEG-only part — this replica is HPA.Element Cylinder Set is an AEG-only part — this replica is HPA.Element Cylinder Head is an AEG-only part — this replica is HPA.Big Dragon Cylinder is an AEG-only part — this replica is HPA.JG Gearbox Shell is an AEG-only part — this replica is HPA.SRC 16:1 Gear Set is an AEG-only part — this replica is HPA.Madbull High Speed Motor is an AEG-only part — this replica is HPA.FPS Softair Piston Head is an AEG-only part — this replica is HPA.SHS Piston is an AEG-only part — this replica is HPA.Modify Selector Plate is an AEG-only part — this replica is HPA.Guarder Sorbo Pad is an AEG-only part — this replica is HPA.SHS Enhanced Spring Guide is an AEG-only part — this replica is HPA.Big Dragon M150 Spring is an AEG-only part — this replica is HPA.Big Dragon Tappet Plate is an AEG-only part — this replica is HPA.Guarder TM NGRS Gear Set is an AEG-only part — this replica is HPA.Jefftron Leviathan V3 Optical MOSFET is an AEG-only part — this replica is HPA.	$500.00
Core
Gearbox Shell	JG Gearbox ShellGearbox Shell · JGJG Gearbox Shell is an AEG-only part — this replica is HPA.Picked parts target different gearbox versions (V2 and V3).	$105.00
Motor	Madbull High Speed MotorMotor · MadbullMadbull High Speed Motor is an AEG-only part — this replica is HPA.	$70.00
HPA Engine & Air System	Redline Airsoft SFR HPA RegulatorHPA Engine & Air System · Redline Airsoft	$150.00
Gearbox
Gear Set	SRC 16:1 Gear SetGear Set · SRCSRC 16:1 Gear Set is an AEG-only part — this replica is HPA.Picked parts target different gearbox versions (V2 and V3).	$50.00
Spring	Big Dragon M150 SpringSpring · Big DragonBig Dragon M150 Spring is an AEG-only part — this replica is HPA.	$13.00
Piston	SHS PistonPiston · SHSSHS Piston is an AEG-only part — this replica is HPA.	$25.00
Piston Head	FPS Softair Piston HeadPiston Head · FPS SoftairFPS Softair Piston Head is an AEG-only part — this replica is HPA.	$18.00
Cylinder	Big Dragon CylinderCylinder · Big DragonBig Dragon Cylinder is an AEG-only part — this replica is HPA.	$13.00
Cylinder Head	Element Cylinder HeadCylinder Head · ElementElement Cylinder Head is an AEG-only part — this replica is HPA.	$18.00
Air Nozzle	Big Dragon Air NozzleAir Nozzle · Big DragonBig Dragon Air Nozzle is an AEG-only part — this replica is HPA.	$7.00
Spring Guide	SHS Enhanced Spring GuideSpring Guide · SHSSHS Enhanced Spring Guide is an AEG-only part — this replica is HPA.	$18.00
Tappet Plate	Big Dragon Tappet PlateTappet Plate · Big DragonBig Dragon Tappet Plate is an AEG-only part — this replica is HPA.	$8.00
MOSFET & Trigger Group	Prometheus Cut Off LeverMOSFET & Trigger Group · PrometheusPrometheus Cut Off Lever is an AEG-only part — this replica is HPA.	$16.00
MOSFET & Trigger Group	Modify Selector PlateMOSFET & Trigger Group · ModifyModify Selector Plate is an AEG-only part — this replica is HPA.	$15.00
MOSFET & Trigger Group	Jefftron Leviathan V3 Optical MOSFETMOSFET & Trigger Group · JefftronJefftron Leviathan V3 Optical MOSFET is an AEG-only part — this replica is HPA.Picked parts target different gearbox versions (V2 and V3).	$105.00
Bushings & Bearings	JG 8mm BearingsBushings & Bearings · JGJG 8mm Bearings is an AEG-only part — this replica is HPA.	$17.00
Shock Reduction	Guarder Sorbo PadShock Reduction · GuarderGuarder Sorbo Pad is an AEG-only part — this replica is HPA.	$10.00
Cylinder / Tune-Up Kit	Element Cylinder SetCylinder / Tune-Up Kit · ElementElement Cylinder Set is an AEG-only part — this replica is HPA.	$75.00
TM NGRS Parts	Guarder TM NGRS Gear SetTM NGRS Parts · GuarderGuarder TM NGRS Gear Set is an AEG-only part — this replica is HPA.	$70.00
Barrel & Hop-Up
Inner Barrel	Angel Custom 6.01mm BarrelInner Barrel · Angel CustomAngel Custom 6.01mm Barrel is an AEG-only part — this replica is HPA.2 inner-barrel parts picked — only one fits a gearbox.	$60.00
Sniper Inner Barrel	ASG Ultimate 6.03mm Sniper BarrelSniper Inner Barrel · ASG2 inner-barrel parts picked — only one fits a gearbox.	$130.00
Hop-Up	Modify Soft Hop-Up BuckingHop-Up · Modify	$10.00
Externals
Stock	Krytac Adjustable StockStock · Krytac	$65.00
Fore Grip	UTG Recon Flex M-LOK Bipod Fore-GripFore Grip · UTG	$40.00
Handstop	PTS Enhanced Polymer HandstopHandstop · PTS	$25.00
Rails & Mounts	VFC KeyMod RailRails & Mounts · VFC	$16.00
Suppressor	Echo 1 USA Fatty Mock SuppressorSuppressor · Echo 1 USA	$65.00
Bipod	UTG Tactical OP BipodBipod · UTG	$40.00
Sling	ICS Multi-Point SlingSling · ICS	$25.00
Optics & Accessories
Optic	Meprolight Mepro RDS Pro V2 Red Dot SightOptic · MeprolightPicked parts target different gearbox versions (V2 and V3).	$125.00
Optic	Vortex Crossfire II 6-18x44 AO ScopeOptic · Vortex	$200.00
Weapon Light	Fenix PD35 TACWeapon Light · Fenix	$100.00
Laser	NcStar Compact Red LaserLaser · NcStar	$35.00
	Total	$2,239.00

Spec plate

Generated for every build without a photo

The platform, the total and how far down the tune chain this build has gone, drawn as one graphic. Post it as-is — nothing on it is a photo of someone else’s gun.

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Part list

Spec plate

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