A couple of points to note with regard to this:
On the BCM, the barrel is not CHF, which differs from the Colt Canada version.
On the Colt Canada version, the Simon Sleeve is supposed to be pressed on, but having removed one recently, they slip on and off quite loosely.
Remember that the crush washer is reversed when attaching the Simon Sleeve and flash hider.
Regards.
Mark
GLOCK Certified Advanced Armourer. SIG Sauer Certified Law Enforcement Armourer for SIG Sauer Semi-Auto Pistols, 1911, M400/M16/M4/AR15, 516 Rifle.
Owner of Invictus Specialities Inc.
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