Magic Box MIRACLE accuracy barrel system for electric gun (m4 Long)

New Ver.2 hi quality and improved model available
made of mixed copper and stainless steel for maximum performance
low friction super polished internal finish
duoble ciip slot also compatible with m14 type gun
new hop packing slot with 3 bb contact point for improved rotation
dedicated oring give more stable and fixed barrel/chamber junction
anti turbolence front enlarged muzzle portion
 
the new re-designed 3-hop point give higher rotation to the bb with less barrel obstruction
this make the shot to have more velocity with the same spin effect
making the bb flying longer and with more accuracy compared to a standard precision barrel
the company ensure 65m range straight to the target!!! (0.25bb and m120 aeg)
the non eccessive inner diameter avoid bb jam or stuck

hi precision inner diameter of 6.06mm
for marui aeg and compatibles
fits m4 sniper, ak 101, mk17 and similar length rifles
barrel length: 407mm