Kublai P1 SAI Metal Outer Barrel
$59.99
The Salient Arms International metal outer barrel will give you that support and peace of mind of having a sturdier and stronger outer barrel (please note it has a threaded tip).
If your looking at upgrading your P1 then this is one of the main bit of kit most enthusiasts opt for especially if your getting a metal slide. Beautifully machined, these barrels will make your pistol the envy of your friends.