Need bore size please for the following barrels

[SkinWalk3r]

J&J Ceramic
Stock MR2 Barrel
Smart Parts Tactical


all of course are the MR2 threaded ones (if that makes a difference)

[felceaz]

I measured the stock and a 20" SP Tactical.

My MR2 stock barrel is 0.696 0.697

and my 20" SP Tactical barrel is .692 .693

Those are my measurements, with a bernier of 0.002 apreciation.

Both measured at the end with screw.

[SkinWalk3r]

appreciate it.

so these barrels are larger than the .68 caliber of the average pb ? How does that pan out for performance ?

[felceaz]

benefits? well... gotta look at tight paint on the forum or something, people always says that you should use paint that fits your barrel or viseversa. i don't know much about it.

[felceaz]

Got my hands on a 20" JJ performance ceramic barrel.

It is 0.687 0.688 measured at the front end.

This JJ thing is accurate!!! i'll be testing it and i will give my 20" SP tactical to a friend with a MR1.

[keeperkys]

Were did you get your j&j I went to actionvillage and none of there barrels say if they will fit the MR guns

[pb34]

Originally Posted by SkinWalk3r

appreciate it.

so these barrels are larger than the .68 caliber of the average pb ? How does that pan out for performance ?

Paint is never exactly .68 caliber. Paints can range from .681-.692 and some go even lower or higher. Depending on what paint you use you'll want a barrel with a specific bore. That's the good part about barrel kits. It comes with a bunch of different bores so you can adapt to any paint your using.