6.04 Precision Barrel


Carburized Stainless Steel


Surface hardness:             

1250 HV


Inner surface tolerance:  

0.0001 mm


Straightness error:

<0.5 mm/m



AEG & VSR-10 


Hopup window length:

7 mm

Airsoftphilosopher Barrel

-10% OFF with the discount code: PREORDER

139,00 €

  • Ships about end of September

Bore finish


When it comes to the surface of the inside, it is difficult to find a process which is able to achieve the results you want to have for a barrel.

Linear or circular polishing/lapping (which is the common process) does not improve roundness or bore diameter tolerances very much.

That is why we use most advanced technologies. A specialized honing process.

It improves the roundness and the consistency of the bore diameter.

After this high quality process, every barrel goes through a second polishing process in Germany to perfect the result.




The hybrid cut allows you to use the Airsoftphilosopher barrel in almost every system.

It provides full compatibility to AEG and VSR-10 standard Hop chambers and buckings.

Surface hardness


Thanks to a patented hardening process in Germany, these cold forged barrels achieve a hardness of 1250 HV. 

This is up to five times harder than common stainless steel barrels and therefore increases the wear resistance drastically.


You never have to worry about damaging the bore-finish, caused by hard BBs, dirt or cleaning rods anymore.


Inner diameter


Tight bore barrels:

have a negative effect to the consistency of the BB rotation, due to the higher friction between BB and barrel. 

The result is less range.


Wide bore barrels:

have a negative effect to the accuracy, due to the lack of guidance and an unstable airflow caused by the big air cushion between BB and barrel.

The result is less accuracy.


The Airsoftphilosopher precision barrels have a constant bore diameter of 6.04 mm. This provides the perfect combination of low friction and thin air cushion.

The result is better range and great accuracy.


Hop-Up window


The 7 mm long, precision cut Hopup window, has been designed to provide the biggest possible contact area. 


We highly recommend to use the Airsoftphilosopher Concave Bucking.


If you want to use a selfmade R-Hop, we offer Flat Buckings for AEG and VSR Platforms as well.