Action Army VSR10 / VSR-10 CNC Aluminium Hop-Up Chamber

Action Army
Code: B01-013
  • Extremely Stable
  • CNC Hop-Up Unit
  • Precision Adjustment

A highquality replacement Hop-Up unit designed and created by Action Army to fit TM Spec VSR / BAR-10 Airsoft Bolt Action Sniper Rifles, to enhance and perfect the performance of the weapon.

Full description


The Hop-Up unit is CNC Machined for precision and accuracy, and is the anodized with a red finish. The Hop-Up unit is designed to improve the performance of your rifle by improving the Air Seal and Hop-Up adjustment mechanisms of a standard until, with the strength and rigidity of a Machined Alloy Hop-Up chamber. The Hop-Up unit provides a much better Air Seal over standard hop-up units thanks to its close attention to details and production tolerances, meaning less wasted Pressure and a more efficient Air Flow. The hop-up's adjustment arm is designed to allow for small adjustments to be made, and thanks to it's clever design it will hold its place too, even after lots of shots. Overall, the hop-up unit is designed to be more stable, being stronger and tougher, with less flex than a standard hop-up unit, along with the Inner Barrel Sleeve making your rifle more consistent than before. The hop also features adjustable BB retention nubs, which are made out of rubber and hold the BB in place ready to be fired. This hop-up unit is perfect for those who are looking for the perfect Aftermarket Hop-Up unit, designed to improve the precision of your rifle, or for those who want to swap out a stock hop-up unit for something a little more special.


  • Replacement Hop-Up unit for TM Base VSR-10 Airsoft Bolt Action Sniper Rifles
  • Great Upgrade / After Market Replacement Part
  • High Quality CNC Machined Design
  • Anodized Red Finish
  • Improved Airseal over standard Hop-Up Units
  • Improved Hop-Up Mechanism over standard Hop-Up Units
  • Allen Key Hop-Up Adjustment
  • Extremely Stable Hop-Up Adjustment Design
  • Evenly adjusting Hop-Up Arm from a singular Adjuster
  • Very tight seal against Hop-up Bucking and Air Nozzle
  • Dual Adjustable BB Retention Nubs
  • Uses VSR Barrels / Buckings
  • Feeds BBs well
  • Barrel Sleeve to hold the Barrel in place and reduce Horizontal and Vertical Movement
  • Barrel Sleeve secured by 3x Grub Screw

Package Includes

  • VSR10 / VSR-10 CNC Aluminium Hop-Up Chamber
  • Grub Screw / Spring / Parts Set

Special Instructions:

The Barrel Sleeve is secured by 3x Grub screw. The 2 Long Screws screw into the Sides of the hop-up unit, and the Short Screw screws into the Bottom.

We suggest that you use a Flat Hop-Up spacer, along with a 70-80 Degree Maple Leaf Hop-up Rubber for optimum performance with a high fps and heavyweight BBs.

Before installing please ensure that you are 100% clear on how to fit the hop-up unit, as Incorrect fitting will result in poor performance. For more help or fitting instructions please feel free to call the Workshop on: 01484 644709, or email:



Internal Part Type
Hop-Up Unit

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx. 0.075kg
Product Length
Approx. 6.614cm
Product Width
Approx. 2.672cm


Colour Wheel Greyscale
Item Colour
Construction Icon
CNC machined aluminium, with rubber BB stopper
Internal Part Construction
Aluminium, Rubber,

Part Specific

Part for Power Source Type
Weapon Platform
VSR / Bar10
Package Includes
Hop Unit

Size guide

Parts Fitting

Upgrades and Downgrades should only be undertaken by experienced players, or Airsoft Technicians. Please note, changing any internal parts of a weapon voids its warranty unless done in-house by our staff. 

Please ensure that when fitting parts the part purchased is the correct part, as once a part has been fitted we cannot accept return.

We do know that players love to tinker, so we're here to give you help should you require it, and if needed you can get in touch with our workshop for more help!

Unique Parts

Please note that some parts may be unique to a specific brand of weapon. For example: Parts for an ASG M4A1 may not fit an ICS M4A1.

Parts from the same brand typically have a high chance of fitting, though be warned, some replicas use unique parts, so please ensure the part will fit before you attempt to fit it.

If you require help with fitting any parts feel free to get in touch with us via our Contact Us Page.