ASA - Airsoft Advantage Guy with Airsoft Gun
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ASA Upgrade Information

Airsoft Advantage offers a variety of upgrades for your airsoft gun. We can increase your rate of fire (ROF), velocity (FPS) or even your accuracy (GROUPING). We also offer custom modifications to make your gun work better for you. Everything from barrel shortening, stock modifications, external modifications and just about any other modification you may need.   We also offer a repair service to get your gun back up and running.   Our team of technicians have the experience and knowledge to perform the best modifications in the business.  Even on guns other shops won't touch.

If you are purchasing an airsoft gun from ASA and want the upgrades done before we ship it out to you, we can do that.  Just select your upgrade options in the product viewing area and it will automatically be added to your shopping cart.  We will then perform the upgrades before sending out your order.  Please allow an additional 3-5 days for the upgrades to be completed.

Did you try to upgrade your own gun and can't figure out how to put it back together?   Do you need to ship us your gun so we can do the upgrades for you?  Just fill out the CONTACT US  form and let us know what gun you have and what you need us to do.  We will then email you back with a price quote. 

Basic Upgrade Info (except PSG1)

These are the basic parts that come with all of our upgrades.  You can then choose additional parts to customize your upgrade.

     300-400 FPS*

  • Upgraded Spring
  • Steel Bushings
  • Piston Porting

 

     400-450 FPS*

  • Upgraded Spring
  • Steel Bushings
  • Aluminum Piston Head
  • Steel Gears

     450+ FPS*

       CONTACT US

 

 

PSG-1 Upgrades

     375-400 FPS*

  • Upgraded Spring
  • Steel Bushings
  • Piston Porting

 

 

 

     400-450 FPS*

  • Upgraded Spring
  • Steel Gears
  • Aluminum Piston
  • Piston Head w/ Bearing
  • Cylinder & Head
  • Air Nozzle
  • Steel Bushings
  • Spring Guide w/ Bearing
  • Trigger Relay
  • Reverse Latch

     475-500+*

  • Upgraded Spring
  • Steel Gears
  • Aluminum Piston
  • Piston Head w/ Bearing
  • Cylinder & Head
  • Air Nozzle
  • Steel Bushings
  • Spring Guide w/ Bearing
  • Trigger Relay
  • Reverse Latch

Accuracy Upgrades

All accuracy upgrades come with a KM TN 6.04 tight bore inner barrel installed.  If you only want an accuracy upgrade, please select "Add w/o Upgrade" and we will only install the tight bore barrel.  If you choose this option, no other upgrades will be done on your gun.  If you want a tight bore barrel installed along with your other upgrades, please select "Add w/ Upgrades" and we will install the barrel along with any other upgrades you have chosen.

Popular Repairs and Modifications*

  • Gearbox Repairs   $45 - Anytime we have to open your gearbox to make repairs.  i.e. replacing tappet, gears, switch, selector switch, anti-reversal latch, spring etc.
  • Replacing Wire Connectors $15 - Replacing wire connectors or changing from one type to another.
  • Stock Modifications  $15-40 - Modification done to a solid stock to make room for fitting a larger battery.
  • Replacement of Inner Barrel  $10-25 - Installation of a barrel or replacement of hop up rubber or assembly.
  • External Modifications  $10-45 -  Adding rails, installing scopes or red dots, changing barrels, attaching mounts etc.
  • Gearbox Rewire  $45 - Changing the location of the battery connection from front to back and visa versa. 

*Prices are subject to change and vary depending on brand and model of gun.  Most upgrades under 400 fps carry a 14 day warranty.  Prices do not include return shipping charges or sales tax (CA residents only).  Upgrades of 375fps or higher will require the use of a 9.6v battery with a minimum of 2000mah.  If you have questions about any of our upgrade or repair services please  CONTACT US. 

 

 

  

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Important disclaimer:

All Airsoft guns sold at Airsoft Advantage come with required orange tip or orange plastic flash hider in accordance with federal laws.

Airsoft Advantage only sells look-alike replica products. We do not carry any authentic firearms, parts or accessories.

Colt®, the image of the Rampant Colt®, M4®, M16®, CAR®, and the overall appearance of the M4® are registered trademarks of New Colt Holding Corp. Glock® and the overall appearance of Glock® and G-series® pistols are registered trademarks of Glock, Inc.