Sig German P226 Enhanced X-SIX Barrel weight.
Will fit ONLY the GEN II X6 pistol.
	
Weight: 274g (9.7oz)
 
(You will need a diifrent barrel weight for X5 pistol).
Will NOT fit GEN I X5/6 pistols.
Will NOT fit regular P220, P226 pistols - MUST be X6.
 
Your X-Six must have a recessed round slot on the BOTTOM of the picatinny rail (Please refer to the 2nd photo above).