Signature Packages
Spring Airsoft Guns
Gas Airsoft Guns
Electric Airsoft Rifles AEG
Airsoft Gas, Batteries, & Chargers
Airsoft BB & Targets
Airsoft Grenades, Launchers, Land Mines
Airsoft Gun Magazines
Apparel & Tactical Gear
Rifle Bags, Gun Cases, BackPacks, & Bags
Laser, Light, Scope, & Scope Mounts
Airsoft Upgrades
Paintball Guns & Accessory
Pellet Gun, Air gun, & Air Gun Accessory
Pre-Owned & Scrap Yard Airsoft Items Gun
Zombie & Halloween AirSoft Decorations

Newly Arrived

SW M&P9 Black Ultimate Pistol Package

$149.99 ADD TO CART

Real Sword Type 56-2 Airsoft AEG Red

$419.99 ADD TO CART

Real Sword SVD Airsoft Sniper AEG Rifle

$649.99 ADD TO CART
 

M4 M16 Airsoft Gun Internal Upgrades

Internal upgrade parts specifically & designed for use w/ the M4 or M16 Airsoft electric, gas & spring operated rifles.

Celcius Extreme AEG Spring CS600

Item Code: UPI-CTW-SP-0707
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CSP-07-07
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Extreme Spring CS600 for AEG
Features:
- Steel Construction
- Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
Celcius Extreme AEG Spring CS600
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Extreme AEG Spring CS550

Item Code: UPI-CTW-SP-0706
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CSP-07-06
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Extreme Spring CS550 for AEG
Features:
- Steel Construction
- Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
Celcius Extreme AEG Spring CS550
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Extreme AEG Spring CS500

Item Code: UPI-CTW-SP-0705
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CSP-07-05
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Extreme Spring CS500 for AEG
Features:
- Steel Construction
- Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
Celcius Extreme AEG Spring CS500
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Extreme AEG Spring CS450

Item Code: UPI-CTW-SP-0704
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CSP-07-04
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Extreme Spring CS450 for AEG
Features:
- High Carbon Steel Construction
- Velocity Output: 470 to 480 FPS (0.2g BB)
Celcius Extreme AEG Spring CS450
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Extreme AEG Spring CS400

Item Code: UPI-CTW-SP-0703
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CSP-07-03
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Extreme AEG Spring CS400
Features:
- High Carbon Steel Construction
- Velocity Output: 420 to 430 FPS (0.2g BB)
Celcius Extreme AEG Spring CS400
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Reformation Gearbox Case

Item Code: UPI-CTW-GBX-RF
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: ASB-GBX-RF
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Reformation Gearbox Case
Features:
- Aircraft Grade Aluminum
- CNC Processed
- Modified Bearing Plate
- Adjustable Trigger
- Ambidextrous Safety Selector
Celcius Reformation Gearbox Case
Price:$139.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Helios Reinforced Sun Gear

Item Code: UPI-CTW-GBX005H
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: GBX-005H
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Helios Reinforced Sun Gear
Features:
- Steel Construction
- Laser Aligned
- Vibration and Balance Analyzed
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius Helios Reinforced Sun Gear
Price:$24.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW AIRO Mini Mosfet

Item Code: UPI-CTW-ELC-01M
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: ASB-ELC-01M
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW AIRO Mini Mosfet
Features:
- Operating Voltage: 11.1v to 14.8v
- Compatible With Celcius CTW and Systema PTW Rifles
Celcius CTW AIRO Mini Mosfet
Price:$49.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius DYNAMIC ECU Full Auto & Burst

Item Code: UPI-CTW-ELC001D
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: ELC-001-D
Stock: Yes & Ships w/in 24Hrs*
 
Celcius DYNAMIC ECU Full Auto & Burst
Features:
- Dynamic Electronic Control Unit for the Celcius CTW Series
- Full Auto and Burst Programmable
- 20 Brightness Level Blue LED
- Intellegent Fault Detector
Celcius DYNAMIC ECU Full Auto & Burst
Price:$89.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Spring Guide Assembly M4

Item Code: UPI-CTW-CLU-06N
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: ASB-CLU-06N
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Spring Guide Assembly M4
Features:
- Threaded Spring Guide Assembly for the Celcius CTW Cylinder
- CNC Machined
Celcius Spring Guide Assembly M4
Price:$34.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Cylinder Head Assembly M130

Item Code: UPI-CTW-CLU-01N
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: ASB-CLU-01N
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Cylinder Head Assembly M130
Features:
- Threaded Cylinder Head for the Celcius CTW Cylinder
- CNC Machined
Celcius Cylinder Head Assembly M130
Price:$29.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Spring Guide Shaft with Bearing

Item Code: UPI-CTW-CLU018B
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CLU-018B
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Spring Guide Shaft with Bearing
Features:
- Stainless Steel Construction
- Bearings Included to Release Spring Tension
Celcius Spring Guide Shaft with Bearing
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW Aluminum Cylinder Tube NEW

Item Code: UPI-CTW-CLU016N
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CLU-016N
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW Aluminum Cylinder Tube NEW
Features:
- Aircraft Grade Aluminum Construction
- New 2014 Version
Celcius CTW Aluminum Cylinder Tube NEW
Price:$59.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Small O-Ring For Piston Head GRN

Item Code: UPI-CTW-CLU-009
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CLU-009
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Small O-Ring for Piston Head Green
Features:
- Rubber Construction
- 10.85mm Diameter
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius Small O-Ring For Piston Head GRN
Price:$2.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius M4 CTW Rifle Air Seal Packing

Item Code: UPI-CTW-BRL-029
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-029
Stock: Yes & Ships w/in 24Hrs*
 
Celcius M4 CTW Rifle Air Seal Packing
Features:
- Rubber Construction
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius M4 CTW Rifle Air Seal Packing
Price:$2.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTQ Rifle Hop Up Adjuster

Item Code: UPI-CTW-BRL-026
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-026
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTQ Rifle Hop Up Adjuster
Features:
- Zinc Alloy Construction
- Includes Fit Pin and Roller Packing
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius CTQ Rifle Hop Up Adjuster
Price:$3.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW Adjuster Cusion Set of 2

Item Code: UPI-CTW-BRL-025
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-025
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW Adjuster Cusion Set of 2
Features:
- Construction Material: Rubber
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius CTW Adjuster Cusion Set of 2
Price:$2.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius Hop Up Chamber Packing Base

Item Code: UPI-CTW-BRL-024
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-024
Stock: Yes & Ships w/in 24Hrs*
 
Celcius Hop Up Chamber Packing Base
Features:
- Brass Construction
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius Hop Up Chamber Packing Base
Price:$3.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius NEW Hop Up Chamber Packing

Item Code: UPI-CTW-BRL-023
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-023N
Stock: Yes & Ships w/in 24Hrs*
 
Celcius NEW Hop Up Chamber Packing
Features:
- Increases Muzzle Velocity Stability
- Increases Accuracy
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius NEW Hop Up Chamber Packing
Price:$2.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius M4 CTW Barrel Key

Item Code: UPI-CTW-BRL-022
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-022
Stock: Yes & Ships w/in 24Hrs*
 
Celcius M4 CTW Barrel Key
Features:
- Zinc Alloy Construction
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius M4 CTW Barrel Key
Price:$2.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius M4 CTW Hop Up Chamber Base

Item Code: UPI-CTW-BRL-021
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-021
Stock: Yes & Ships w/in 24Hrs*
 
Celcius M4 CTW Hop Up Chamber Base
Features:
- Zinc Alloy Construction
- Compatible with Celcius M4, M4 CQB, M16A2, and M16A3 Training Weapons
Celcius M4 CTW Hop Up Chamber Base
Price:$9.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW Sniper Grade M4 Barrel II

Item Code: UPI-CTW-031M4R2
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-031-M4R2
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW Sniper Grade M4 Barrel II
Features:
- High Grade Stainless Steel Construction
- 6.00mm Inner Diameter
- 10mm Outer Diameter
Celcius CTW Sniper Grade M4 Barrel II
Price:$194.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW Sniper Grade M4CQB Barrel II

Item Code: UPI-CTW-031CQB2
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: BRL-031-CQB2
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW Sniper Grade M4CQB Barrel II
Features:
- High Grade Stainless Steel Construction
- 6.00mm Inner Diameter
- 10mm Outer Diameter
Celcius CTW Sniper Grade M4CQB Barrel II
Price:$194.99  per EACH
QTY:   Add to cart Add to Wish List
 

Celcius CTW Cylinder Main Spring

Item Code: UPI-CTW-017-400
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Manufacturer Part No: CLU-017-400
Stock: Yes & Ships w/in 24Hrs*
 
Celcius CTW Cylinder Main Spring
Features:
- Steel Construction
- Velocity Output: 420 to 430 FPS (0.2g BBs)
Celcius CTW Cylinder Main Spring
Price:$9.99  per EACH
QTY:   Add to cart Add to Wish List
 

King Arms Silver Wire Set Rear Version 2

Item Code: AC-UP-KA-BAT-33
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: King Arms Airsoft
Manufacturer Part No: KA-BAT-33
Stock: Ships in 6 Weeks
 
King Arms Silver Wire Set For Rear Wired Version 2 Gearbox
Silver Wire sets offer lower resistance and higher heat tolerance for high performance AEGs. When upgrading your battery and motor, upgrading the wiring set is a must as well.
Compatible with standard Version 2 AEG Gearboxes. M4, M16, MP5, G3 Models.
King Arms Silver Wire Set Rear Version 2
Price:$22.99  per EACH
QTY:   Add to cart Add to Wish List
 

WE Airsoft M4 Open Bolt Conversion Kit

Item Code: AC-UPI-WE-OBKIT
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: WE Tech Industries
Manufacturer Part No: GR-196LW
Stock: Yes & Ships w/in 24Hrs*
 
WE M4 Airsoft Complete Close Bolt to Open Bolt Conversion Kit
- Kit include Bolt Carrier Group & Nozzle
- Trigger Group Assembly
- Inner Barrel
- Hop-Up Chamber
- Dust Cover
- Bolt Catch
- Magazine Flow Nozzle
- Detent Spring
- Airsoft Upgrade Video Available - Click for More Info

Please note, kit does NOT include a complete rifle. It only include necessary parts to convert your WE close bolt M4 into an open bolt M4.

WE Airsoft M4 Open Bolt Conversion Kit
Price:$89.99  per EACH
Video Review - Click on gun to see airsoft gun review
QTY:   Add to cart Add to Wish List
 

WE Airsoft M4 Closed Bolt Repair Kit

Item Code: AC-UPI-WE-CBKIT
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: WE Tech Industries
Stock: Yes & Ships w/in 24Hrs*
 
WE M4 Airsoft Complete Close Bolt Repair Kit
Kit include:
- Bolt Carrier Group & Nozzle
- Trigger Group Assembly
- Inner Barrel
- Hop-Up Chamber
- Dust Cover
- Bolt Catch
- Airsoft Upgrade Video Available - Click for More Info

Please note, kit does NOT include a complete rifle. It only include necessary parts to repair your WE close bolt M4.

WE Airsoft M4 Closed Bolt Repair Kit
Price:$69.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Cyclone Revolution+ 10.44 Gear

Item Code: AC-UPI-ST-GSRPC
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSRPC
Stock: Ships in 2 Weeks
 
*SiegeTek Cyclone Revolution+ 10.44 Gear Set

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 10.44
- Gearbox compatibility: Version 2 and 3
- CNC machined
*SiegeTek Cyclone Revolution+ 10.44 Gear
Price:$124.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Cyclone Revolution 14.09 Gear

Item Code: AC-UPI-ST-GSRC
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSRC
Stock: Ships in 2 Weeks
 
*SiegeTek Cyclone Revolution 14.09 Gear Set

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 14.09
- Gearbox compatibility: Version 2 and 3
- CNC machined
*SiegeTek Cyclone Revolution 14.09 Gear
Price:$124.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Cyclone Revolution Gear Set

Item Code: AC-UPI-ST-GSR2C
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSR2C
Stock: Ships in 2 Weeks
 
*SiegeTek cyclone Revolution Gear Set Gen2

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 13.76
- Gearbox compatibility: Version 6 and 7
- CNC machined
*SiegeTek Cyclone Revolution Gear Set
Price:$124.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Revolution Gear Set 13.76 V6 V

Item Code: AC-UPI-ST-GSR2
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSR2
Stock: Ships in 2 Weeks
 
*SiegeTek Revolution Gear Set 13.76 V6 V7

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 13.76
- Gearbox compatibility: Version 6 and 7
- CNC machined


Siegetek gears are CNC Machined out of Chromium Molybdenum steel and are the strongest gears available for TM compatible AEGS. Each gear is precisely calculated and accurately produced which provides maximum efficiency and durability over traditionally produced gears. Siegetek gears
*SiegeTek Revolution Gear Set 13.76 V6 V
Price:$119.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Revolution 14.09 Gear Set V2 V

Item Code: AC-UPI-ST-GSR
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSR
Stock: Ships in 2 Weeks
 
*SiegeTek Revolution 14.09 Gear Set V2 V3

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 14.09
- Gearbox compatibility: Version 2 and 3
- CNC machined


Siegetek gears are CNC Machined out of Chromium Molybdenum steel and are the strongest gears available for TM compatible AEGS. Each gear is precisely calculated and accurately produced which provides maximum efficiency and durability over traditionally produced gears. Siegetek gears ...
*SiegeTek Revolution 14.09 Gear Set V2 V
Price:$119.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Cyclone Balanced 20.15 Gears

Item Code: AC-UPI-ST-GSBC
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSBC
Stock: Ships in 2 Weeks
 
*SiegeTek Cyclone Balanced 20.15 Gear Set

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 20.15
- Gearbox compatibility: Version 2 and 3
- CNC machined
*SiegeTek Cyclone Balanced 20.15 Gears
Price:$124.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Cyclone Balanced Gear Set V6 V

Item Code: AC-UPI-ST-GSB2C
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSB2C
Stock: Ships in 2 Weeks
 
*SiegeTek Cyclone Balanced Gear Set V6 V7

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 20.16
- Gearbox compatibility: Version 6 and 7
- CNC machined
*SiegeTek Cyclone Balanced Gear Set V6 V
Price:$124.99  per EACH
QTY:   Add to cart Add to Wish List
 

*SiegeTek Balanced 20.8 Gear Set V2 V3

Item Code: AC-UPI-ST-GSB
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: GSB
Stock: Ships in 2 Weeks
 
*SiegeTek Balanced 20.8 Gear Set V2 V3

Features
- Construction: Chromium Molybdenum steel
- Ratio: Revolution 20.8
- Gearbox compatibility: Version 2 and 3
- CNC machined
*SiegeTek Balanced 20.8 Gear Set V2 V3
Price:$119.99  per EACH
QTY:   Add to cart Add to Wish List
 

*Spartan Aluminum M4 Piston Head SPH

Item Code: AC-UPI-SPH
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SPH
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Piston Head SPH

Spartan Aluminum Piston Head For M4
*Spartan Aluminum M4 Piston Head SPH
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Spartan Aluminum M4 Cylinder Set SCWHS

Item Code: AC-UPI-SCWHS
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SCWHS
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder Set SCWHS

Non Ported Cylinder for maximum pressure. Set includes Cylinder, Cylinder Head, and Piston Head.
Spartan Aluminum M4 Cylinder Set SCWHS
Price:$49.99  per EACH
QTY:   Add to cart Add to Wish List
 

*Spartan Aluminum M4 Cylinder SCWH

Item Code: AC-UPI-SCWH
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SCWH
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder SCWH

Spartan Aluminum M4 Cylinder Without Hole. Item includes Cylinder Only.
*Spartan Aluminum M4 Cylinder SCWH
Price:$14.99  per EACH
QTY:   Add to cart Add to Wish List
 

*Spartan Aluminum M4 Cylinder Head SCH

Item Code: AC-UPI-SCH
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SCH
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder Head SCH

Spartan Aluminum Cylinder Head For M4.
*Spartan Aluminum M4 Cylinder Head SCH
Price:$19.99  per EACH
QTY:   Add to cart Add to Wish List
 

Spartan Aluminum M4 Cylinder Set SC34HS

Item Code: AC-UPI-SC34HS
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SC34HS
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder Set SC34HS

Spartan Aluminum M4 Cylinder Set 3/4 Hole. Set includes Cylinder, Cylinder Head, and Piston Head.
Spartan Aluminum M4 Cylinder Set SC34HS
Price:$49.99  per EACH
QTY:   Add to cart Add to Wish List
 

*Spartan Aluminum M4 Cylinder SC34H

Item Code: AC-UPI-SC34H
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SC34H
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder SC34H

Spartan Aluminum M4 Cylinder 3/4 Hole. Item includes Cylinder Only.
*Spartan Aluminum M4 Cylinder SC34H
Price:$14.99  per EACH
QTY:   Add to cart Add to Wish List
 

*Spartan Aluminum M4 Cylinder SC12H

Item Code: AC-UPI-SC12H
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: SiegeTek Gearbox Internals
Manufacturer Part No: SC12H
Stock: Ships in 2 Weeks
 
Spartan Aluminum M4 Cylinder SC12H

Spartan Aluminum M4 Cylinder 1/2 Hole. Item includes Cylinder Only.
*Spartan Aluminum M4 Cylinder SC12H
Price:$14.99  per EACH
QTY:   Add to cart Add to Wish List
 

*MODIFY M4 Selector Plate for M16

Item Code: AC-UPI-MD-SPM16
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Modify Airsoft & Speed Triggers
Manufacturer Part No: MOD SP M16
Stock: Ships in 1 Week
 
Modify M16/M4 Selector Plate for Version 2 Gearbox - up to 8mm Bearing Compatible
Specifications:
- Manufacturer: Modify
- 6mm - 8mm Bearing Compatible
- Gear box: Version 2
- MOD SP M16
*MODIFY M4 Selector Plate for M16
Price:$15.99  per EACH
QTY:   Add to cart Add to Wish List
 

Airsoft M4 M16 MP5 Hi-Torque Upgrade Kit

Item Code: AC-UPI-HT-KIT
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Airsoft Gun Rifle Combo Packages
 
Airsoft M4 M16 MP5 High Torque Upgrade Kit
Include:
- Echo1 Max Torque Airsoft AEG Motor Long $49.99
- Systema Helical Gear Set Torque Up Ratio $69.99
- Deep Fire Titanium Full Teeth Piston V2 $29.99
- Deep Fire 6mm Hard Oilless Bushing Set $9.99
TOTAL VALUE $159.96
Airsoft M4 M16 MP5 Hi-Torque Upgrade Kit
Price:$134.99  per EACH
QTY:   Add to cart
 
Click here to Customize this item

Airsoft M4 M16 MP5 Hi-Speed Upgrade Kit

Item Code: AC-UPI-HS-KIT
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Airsoft Gun Rifle Combo Packages
 
Airsoft M4 M16 MP5 High Speed Upgrade Kit
Include:
- Echo1 Max Speed Long Type AEG Gun Motor $49.99
- Echo1 MAX High Speed Gear Set 16:1 $47.99
- Modify Airsoft Stainless 8mm Bushings $22.99
- Modify M90 Airsoft AEG Upgrade Spring $15.99
TOTAL VALUE $136.96
Airsoft M4 M16 MP5 Hi-Speed Upgrade Kit
Price:$112.99  per EACH
QTY:   Add to cart
 
Click here to Customize this item

Deep Fire M16 AEG Gearbox Selector Plate

Item Code: AC-UPI-DF-CPO07
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 
Deep Fire AEG Gear Box Selector Plate for M16 Series (for 6mm / 7mm bearing Gearbox )
Compatible with most AEG Gear Boxes for M16, M4, M4A1, M733, etc. Compatible with most manufacturers: Tokyo Marui, ICS, Classic Army, VFC, SRC, GB, etc.
Deep Fire M16 AEG Gearbox Selector Plate
Price:$8.99  per EACH
QTY:   Add to cart Add to Wish List
 

Deep Fire Airsoft M16 AEG Tappet Plate

Item Code: AC-UPI-DF-CP033
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 

- Deep Fire M16 Ver 2 VII Mechbox AEG Gear Box Tappet Plate
- For Most M16, M4, M15 Airsoft AEG
- Compatible with most AEG (Tokyo Marui, ICS, Classic Army, etc.)
- Reinforced ABS tappet plate for more durable use
- Stronger than standard plastic tappet plate
Deep Fire Airsoft M16 AEG Tappet Plate
Price:$12.99  per EACH
QTY:   Add to cart Add to Wish List
 

CELCIUS CTW M4 Cylinder Unit 350FPS

Item Code: AC-UPI-CLU-350
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Celcius Airsoft
Stock: Yes & Ships w/in 24Hrs*
 
CELCIUS CTW M4A1 M4 Cylinder Unit 350 Upgrade
- Aircraft Grade Aluminum
- Muzzle Velocity with 0.20g BB : 320-350 FPS
- Spring type: M100
- Length 65mm & Outer Diameter 25.45mm
- Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
CELCIUS CTW M4 Cylinder Unit 350FPS
Price:$94.99  per EACH
QTY:   Add to cart Add to Wish List
 

APS Ver. 2 Hybrid 8mm Complete Gearbox

Item Code: AC-UPI-APS-2HF
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: APS Airsoft
Manufacturer Part No: APS-2HF
Stock: Yes & Ships w/in 24Hrs*
 
APS Ver. 2 Hybrid 8mm Complete Gearbox
Features:
- 4 Lug Quick Change Spring Guide System
- 8mm Bearing Bushings, Bearing Piston Head and Bearing Spring Guide
- Polished and Buffed surface improves smoothness
- Fully Compatitible with Aftermarket Airsoft Guns using V2 Gear Box

APS Ver. 2 Hybrid 8mm Complete Gearbox
Price:$59.99  per EACH
QTY:   Add to cart Add to Wish List
 

APS Airsoft M4/M16 AEG Selector Plate

Item Code: AC-UPI-AER004
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: APS Airsoft
Manufacturer Part No: AER004
Stock: Yes & Ships w/in 24Hrs*
 
APS Airsoft Reinforced Polymer M4/M16 AEG Selector Plate
- Reinforced Polymer Construction
- Compatible w/ M4, M16, 416 Variants V2 Gearbox
- Does NOT Include Contact Plate or Latch Spring
APS Airsoft M4/M16 AEG Selector Plate
Price:$7.99  per EACH
QTY:   Add to cart Add to Wish List
 

APS Airsoft M4/M16 Polymer Tappet Plate

Item Code: AC-UPI-AER003
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: APS Airsoft
Manufacturer Part No: AER003
Stock: Ships in 3 Weeks
 
APS Airsoft M4/M16 Reinforced Polymer Tappet Plate
- Reinforced Polymer Construction
- Designed for use in APS & Javelin M4 AEGs
- Suitable for High Speed or High Torque Application
APS Airsoft M4/M16 Polymer Tappet Plate
Price:$7.99  per EACH
QTY:   Add to cart Add to Wish List
 

Airsoft Press Airsoft AEG M4 Gun Upgrade

Item Code: AC-AP-AEG-M4
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Airsoft Publications Periodicals
Stock: Yes & Ships w/in 24Hrs*
 
Airsoft Press eBook Manual
- Thorough Indepth Review on Airsoft M4 AEG Rifle Upgrades
- Step by Step Illustrated directions and tutorials
- Perfect for Novice or Advanced Airsofters
- Addresses Tokyo Marui, Classic Army, ICS, and other varieties of Airsoft AEG Guns
- A Must have for any player of the Airsoft Sport
- Contains over 160 Pages of Illustrations and Guides
- Click on More Info for Table of Contents
Airsoft Press Airsoft AEG M4 Gun Upgrade
Price:$4.99  per EACH
QTY:   Add to cart Add to Wish List
 

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