A tightbore?

My barrel length for my P90 is 250mm.

If I get this which is 357mm.

And use this on the outside of the barrel which is 112mm.

What good will this do for me.

I know it'll be more accurate what else.

How will it be different if I just get a tightbore with out the silencer or the longer barrel just one that fits my gun.

Will all of this work well? Please answer everything.

The barrel should work well. As for the suppressor, I am no big fan because of its price. Usually in this scenario I would make my own suppressor out of PVC then thread it to 14 mm CCW. It is actually quieter because of the plastic, that is if your plan is to suppress the pop the bb makes when it leaves the barrel.

Will the silencer fit on the barrel and cover up the part that sticks out of my gun?

There's several silencers on the market that do that, yes.
Price is certainly an issue on these things (decent ones with both +14mm and -14mm at about $30) and I know my buddy Omega Lambda wend and made one himself and it worked just fine. Me personally, I'm a fan of professionally made, machined bits for my gun, and would recommend that you get one.

Here is my gun.


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My barrel.



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My final words. Will this tightbore, and this barrel, fit well around my gun not lose or anything.

Your gun should have spacers and the length of the barrel wont matter i would think. Are you going to make a mock suppressor?

Insane Mercc wrote:

Your gun should have spacers and the length of the barrel wont matter i would think. Are you going to make a mock suppressor?

Mercc, I don't know what a spacer is. Look at the first part of the post.

Well John....a spacer is a piece of plastic that slides on the inner barrel and keeps the inner barrel and outer barrel centered.
Sorry for my lazyness...i didnt read your post....atleast you learned what a spacer is........and the suppressor wont do anything BTW

Well thats the advantage of making your silencer, you can cut it to the exact length you need.

Guys, this isn't helping. I don't care if my gun isn't silent. If I get this barrel, 107mm will be sticking out of the gun. The MOCK silencer is 117mm. If I put the MOCK silencer on my threads will everything fit.

yes, everything will fit perfectly, But, you have to remember that the threads are a couple MM long. Therefore, I always get a longer silencer to cover the inner barrel. Believe me, I have gone through this with my M4.

I imagine if worst came to absolute worst and your inner barrel stuck out a little bit, you can just take a saw to those extra milimeters - though it really shouldn't be an issue.
I think the silencer should do just fine for you. Get a second opinion though.

You could make a silencer for about $10. I'll be posting a tutorial along with my full current loadout later tonight in pics/vids section. But if you want something you don't have to make yourself, the mock silencer you linked looks like a good option.

Yea it doesn't need to be a exact fit, it is okay if the silencer extends the barrel by a few mm's. think of it like a free floating RIS system. the only thing that should be touching to support it are the threads.