Would the tips that fit the lapco assault barrel fit a rap 4 barrel and vice versa? I know the c series tips fit the rap 4 somewhat-at least the apex adapter one. Thanks!

Usually if it says it has a 7/8-20 thread pattern its compatible. As far as I know Rap4 barrels have it and I know Lapco tips have that thread. The only barrels and tips I know of that dont are the Flasc series. Anybody have a Rap4 barrel?

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"It's better to live on one's feet than to die on one's knees." - Catch 22 by Joseph Heller

Actually that may not be totally accurate. I just spoke with a flasc rep and he said that rap4 & flasc share the same threading, with thread length being the only difference. I believe Flasc Gen1 barrels have 16mm of threading and everything after has 12mm.
Meaning the rap4 flasc tips are interchangeable except that gen1 flasc barrels will have exposed thread when using a rap4 tip.. have I lost everyone yet. lol
I dont know the exact length of rap4 barrel threading as my barrel is still enroute so I am only assuming it is also 12mm.

Tiberius double threaded barrels, Lapco, & Hammerhead (I think..) all use 7/8-20 threading..
So. if you have a full set of rap4 tips OR Flasc tips.. all you need is the Flasc thread adapter ($10-15) and your tips will pretty much work on every double threaded barrel you may have.

Flasc Tip + Flasc Barrel
Rap4 Tip + Flasc Gen2 Barrel
Rap4 Tip + Flasc Gen1 Barrel = slight exposed threading
Flasc tip + Rap4 Barrel
Flasc tip + Flasc adapter + Lapco Barrel
Rap4 tip + Flasc adapter + Hammerhead barrel.

etc, etc.

Please don't take all of this for absolute fact as I do not own or have first hand exp. with ALL double threaded barrels. It's just the info I managed to track down after quite a bit of research to see which mock suppressor would properly attach to my t8.1 flasc barrel.

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Sorry for bringing the dead back to life, but didnt want to start a new thead...

Googled "Lapco threas to Flasc thread adapter" and it brought me here. Is there an adapter that will allow me to use my Lapco fake suppressor on my Flasc barrel kit? Links please?