Airsoftphilosopher Concave VSR bucking 60º (GREY)

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Concave VSR bucking 60º (GREY)

€ 11,95

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Airsoftphilosopher Concave VSR bucking 60º (GREY)


Silicone rubber



Shore A60(grey)



VSR-10 chamber

Only works with Airsoftphilosopher barrels.


FPS recommendation:

200-600 fps (equals 0.4 - 3.3 Joule )


Perfect fitment in Airsoftphilosophers Hopup window

Having a high quality barrel and bucking inside of your airsoft is important, but even more important is their compatibility to each other. If the bucking does not fit perfect into the hopup window of the barrel, or the chamber applies the downward pressure in the wrong place, the Hopup bucking can not use its full potential.

So we carefully designed our products in order to achieve the best possible results, if used in the right setup.

As the picture shows, the patch covers the whole length of the window, while there is still a small gap for the bucking patch to move up and down without tension. Even the barrel edges are chamfered for a longer bucking life and enough space for the downward motion.

Designed for the Maximum

The Concave Bucking is designed to reach the physical limits of accuracy and range. It provides a 6.6 mm long contact patch in order to guide the BB perfectly and apply precise backspin.

Best results are achieved with the Airsoftphilosopher VSR Chamber or the Maxx Model AEG chamber with concave nub.

Note: Most chambers are not designed for big hop windows and bridged barrels. Please make sure the Hopup arm and nub applies pressure at the correct spot.

Perfect airseal

Every Hopup bucking has two main tasks:
Applying perfect Hop and providing airseal.

So the Airsoftphilosopher concave bucking feeding lip is tighter than other buckings to provide perfect airseal.  The special design reduces feeding problems.

Additional 3D impress on the outside improves the thight fit inside the chamber.
(Every chamber has slightly different dimensions, so if airseal is not good with your chamber, wrap one or two layers of teflon tape on the outside)

Special developed material

The durable silicone rubber is designed to create perfect friction between BB and Bucking. The large contact area of the patch allows it to use very soft rubber which creates perfect air seal and is still capable to Hop the heaviest weight BBs.

Due to the special compound, the silicone rubber has a higher compression set stability and reliably returns to its starting position even after a long exposure.


Polished surface

Each bucking has a polished surface to provide highest tolerance and consistency.

Orders outside EU - save -21% VAT at checkout

Orders outside EU - save -21% VAT at checkout

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Concave VSR bucking 60º (GREY)

Concave VSR bucking 60º (GREY)

€ 11,95

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