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

Newly Arrived

TRU-SPEC Tactical Response Pants

$41.99 ADD TO CART

Airsoft Morale PVC Patch Umbrella

$4.99 ADD TO CART

RWA MG 34 Airsoft Machine Gun AEG

$1,549.99 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.

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: ARES Airsoft
Manufacturer Part No: KA-BAT-33
Stock: Yes & Ships w/in 24Hrs*
 
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
 

Systema Precision BS Barrel CAR15 P90

Item Code: AC-UPI-Z0932-AR
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Systema Airsoft
Manufacturer Part No: Z0932
Stock: Yes & Ships w/in 24Hrs*
 
Systema Tight Bore BS 247 mm Precision Barrel (9.7 inches)
- High Performance Barrel for CAR 15, P90, P90TR, G36C, Sig 552, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots
- Airsoft Barrel Upgrade Video Review Available. Click More Info.
Systema Precision BS Barrel CAR15 P90
Price:$34.99  per EACH
QTY:   Add to cart Add to Wish List
 

Systema Precision BS Barrel M4 XM Sig551

Item Code: AC-UPI-Z0930-M4
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Systema Airsoft
Manufacturer Part No: Z0930
Stock: Ships in 3 Weeks
 
Systema Tight Bore BS 350 mm Precision Barrel (12 inches)
- High Performance Barrel for M4, M4A1, Sig 551, XM 177, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots
- Airsoft Barrel Upgrade Video Review Available. Click More Info.
Systema Precision BS Barrel M4 XM Sig551
Price:$36.99  per EACH
QTY:   Add to cart Add to Wish List
 

Systema Precision BS Barrel M16 AUG SR16

Item Code: AC-UPI-Z0926-A2
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Systema Airsoft
Manufacturer Part No: Z0926
Stock: Ships in 3 Weeks
 
Systema Tight Bore BS 509 mm Precision Barrel (20 inches)
- High Performance Barrel for M16 A1, M16 A2, Stery Aug, or any comparable Long Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots
- Airsoft Barrel Upgrade Video Review Available. Click More Info.
Systema Precision BS Barrel M16 AUG SR16
Price:$37.99  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 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 ...
*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 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 ...
*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 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 ...
*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 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 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 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 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 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 are ...
*SiegeTek Balanced 20.8 Gear Set V2 V3
Price:$119.99  per EACH
QTY:   Add to cart Add to Wish List
 

Systema PTW M16 M16A2 Cylinder Unit M130

Item Code: AC-UPI-SPTW-M16
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Systema Airsoft
Stock: Ships in 3 Weeks
 
Systema Professional Training Weapons M16 A2 / M16 A3 Upgrade Cylinder Unit
- Cylinder Unit Includes Magnesium Piston and M130 Spring for 420 - 445 FPS
- Swaps out with stock cylinder in seconds
Systema PTW M16 M16A2 Cylinder Unit M130
Price:$164.99  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
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
 

*MODIFY M4 6.03id Bore Barrel 363mm

Item Code: AC-UPI-MD-HY363
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Modify Airsoft
Manufacturer Part No: MOD BARL 363MM
Stock: Yes & Ships w/in 24Hrs*
 
MadBull Black Python 363mm Tight Bore Barrel M4
Specifications:
- Black Python BP363 363mm Tight Bore Barrel
- Apply to Model 4A1/SR16 series
- The choice of B.B. will be very important. We will only ensure our barrel is 6.03mm diameter
- MOD BARL 363MM
*MODIFY M4 6.03id Bore Barrel 363mm
Price:$36.00  per EACH
QTY:   Add to cart Add to Wish List
 

*MODIFY M4 6.03id Barrel 300MM

Item Code: AC-UPI-MD-HY300
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Modify Airsoft
Manufacturer Part No: MOD BARL 300MM
Stock: Yes & Ships w/in 24Hrs*
 
Modify 6.03id Hybrid Tight Bore Barrel - 300MM (CQB-R)
Specifications:
- 1st Class Stainless Steel + Aluminum Alloy
- 6.03mm ID
- Guided by an O-ring to reduce barrel vibration
- Comes with Modify 3-Ring Hop Up Bucking
- MOD BARL 300MM
*MODIFY M4 6.03id Barrel 300MM
Price:$36.00  per EACH
QTY:   Add to cart Add to Wish List
 

*MODIFY M4 6.03id Barrel 285MM (CQB-R)

Item Code: AC-UPI-MD-HY285
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Modify Airsoft
Manufacturer Part No: MOD BARL 285MM
Stock: Ships in 1 Week
 
Modify 6.03id Hybrid Tight Bore Barrel - 285MM (CQB-R)
Specifications:
- 1st Class Stainless Steel + Aluminum Alloy
- 6.03mm ID
- Guided by an O-ring to reduce barrel vibration
- Comes with Modify 3-Ring Hop Up Bucking
- MOD BARL 285MM
*MODIFY M4 6.03id Barrel 285MM (CQB-R)
Price:$36.00  per EACH
QTY:   Add to cart Add to Wish List
 

MadBull Black Python 363mm TB Barrel

Item Code: AC-UPI-MB-BP363
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Mad Bull Airsoft
Manufacturer Part No: MB BARL 363MM
Stock: Yes & Ships w/in 24Hrs*
 
Mad Bull Python 363mm Tighbore Barrel M4A1 / SR16
- 6.03mm Bore
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
- 363mm in length for M4A1 / SR16 AEG
MadBull Black Python 363mm TB Barrel
Price:$32.99  per EACH
QTY:   Add to cart Add to Wish List
 

MadBull Black Python 300mm TB Barrel

Item Code: AC-UPI-MB-BP300
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Mad Bull Airsoft
Manufacturer Part No: MB BARL 300MM
Stock: Yes & Ships w/in 24Hrs*
 
Mad Bull Python 300mm Tighbore Barrel M4 CQB / M733
- 6.03mm Bore
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
- 300mm in length for M4 CQB or M733
MadBull Black Python 300mm TB Barrel
Price:$32.99  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
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 Barrel 6.04 M4 M15 SG551 407mm

Item Code: AC-UPI-DF-CPB03
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Deep Fire
Stock: Yes & Ships w/in 24Hrs*
 

- SHOULD BE USED WITH ADD ON SILENCER
- Deep Fire Airsoft AEG Precision Barrel for SG551 M4 M15 with Suppressor
- 407mm Length Stainless Steel Tightbore Upgrade Barrel
- Additional 45m Barrel Length for extended barrel with suppressor
- 6.04mm Precision Inner Airsoft Rifle Barrel
- Perfect for tighter grouping & more accurate shooting
- Increases FPS for Higher Velocity
- Airsoft Barrel Upgrade Video Review Available. Click More Info.
Deep Fire Barrel 6.04 M4 M15 SG551 407mm
Price:$29.99  per EACH
QTY:   Add to cart Add to Wish List
 

Deep Fire Barrel 6.04 M4 M15 SG551 363mm

Item Code: AC-UPI-DF-CPB02
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: Deep Fire
Stock: Yes & Ships w/in 24Hrs*
 

- Deep Fire Airsoft AEG Precision Barrel 6.04mm for SG551 M4 M15 SPC and CARB
- 363mm Stainless Steel Tightbore Upgrade Barrel
- 6.04mm Precision Inner Airsoft Rifle Barrel
- Perfect for tighter grouping & more accurate shooting
- Increases FPS for Higher Velocity
- Airsoft Barrel Upgrade Video Review Available. Click More Info.
Deep Fire Barrel 6.04 M4 M15 SG551 363mm
Price:$27.99  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
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
 

AS Tactical Precision 407mm 6.02 Barrel

Item Code: AC-UPI-AS-IB407
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: AirSplat AS Custom Internal Upgrade Part
Stock: Ships in 6 Weeks
 
AS Tactical Precision 407mm Tighbore Inner Barrel M4A1 / SR16
- 6.02mm Bore
- Stainless Steel Construction
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
AS Tactical Precision 407mm 6.02 Barrel
Price:$26.99  per EACH
QTY:   Add to cart Add to Wish List
 

AS Tactical Precision 363mm 6.02 Barrel

Item Code: AC-UPI-AS-IB363
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: AirSplat AS Custom Internal Upgrade Part
Stock: Ships in 6 Weeks
 
AS Tactical Precision 363mm Tight Bore Inner Barrel M4A1 / SR16
- 6.02mm Bore
- Stainless Steel Construction
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
- 363mm in length for M4A1 / SR16 AEG
AS Tactical Precision 363mm 6.02 Barrel
Price:$24.99  per EACH
QTY:   Add to cart Add to Wish List
 

AS Tactical Precision 300mm 6.02 Barrel

Item Code: AC-UPI-AS-IB300
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: AirSplat AS Custom Internal Upgrade Part
Stock: Yes & Ships w/in 24Hrs*
 
AS Tactical Precision 300mm Tighbore Inner Barrel M4 CQB-R
- 6.02mm Bore
- Stainless Steel Construction
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
AS Tactical Precision 300mm 6.02 Barrel
Price:$24.99  per EACH
QTY:   Add to cart Add to Wish List
 

AS Tactical Precision 275mm 6.02 Barrel

Item Code: AC-UPI-AS-IB275
Airsoft Gun Style: M4 M16 Airsoft Gun Internal Upgrades
Manufacturer: AirSplat AS Custom Internal Upgrade Part
Stock: Yes & Ships w/in 24Hrs*
 
AS Tactical Precision 275mm Tighbore Inner Barrel M4 CQB
- 6.02mm Bore
- Stainless Steel Construction
- Best balance between accuracy and reliability for full auto firing
- Special smooth coating process to reduce drag on BB
AS Tactical Precision 275mm 6.02 Barrel
Price:$24.99  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: Ships in 6 Weeks
 
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: Yes & Ships w/in 24Hrs*
 
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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