(Your shopping cart is empty)
Guns
AEG Airsoft Guns
AEG Parts - Internal
AEG Parts - External
AEG Airsoft Gun Magazines
AEP Airsoft Guns
AEP Airsoft Gun Parts
AEP Airsoft Gun Magazines
Gas Airsoft Guns
Gas Grenades
Gas Gun Magazines
Gas Gun Parts
Airsoft Sniper Rifles
Spring Airsoft Pistols
Spring Airsoft Rifles
Spring Gun Magazines
Sniper Rifle Parts
The Salvage Garden
Clearance
New Products
CRAZY Sale Items
Accessories
Batteries and Chargers
BB Ammo
Apparel
Tactical Gear
Safety Gear
Scopes, Red Dots & Mounts
External Accessories
Flashlights and Lasers
Media
Misc Accessories
Marui Pro-Z Trains
About Us
Home
>
AEG Parts - Internal
>
FTK (Full Tune Up Kits)
>
JBU M4 M120 Upgrade Kit
Our Price:
$54.99
Airsoft
36
Stock Status:In Stock
Product Code:
50658
Qty:
Features
Technical Specs
JBU M4 M120 Upgrade Kit
Full Tune Up Kit with an SP120 spring for M4 series of guns.
Full Tune Up Kits come with everything you need to completely upgrade your gearbox, no chance of getting the wrong gears for your gearbox.
Comes with SP120 Spring, Spring Guide, Aluminum Piston, Piston Head, Cylinder, Cylinder Head, Aluminum Nozzle.
We recommend metal bushings and a steel gear set with this upgrade (sold seperately)
Blackhawk FNP 90 Sling Adapter
$9.99
NcStar 12x25 Monocular
$11.99
KJW G Series Magazine Upper Rubber Gasket #62
$5.99
UTG 42-inch Gun Case
$54.99
Echo 1 AKM AEG (Wood & Metal Body) (JP-48MB)
$234.99
Revision Wolf Spider Deluxe Kit
$129.99
Prometheus Spring Guide Ver. 3
$23.99
Guarder SP120 Full Tune-Up Kit (MP5K/PDW)
$124.99
