You think I’ll end up with any clearence issues running a can on it? I know the front of the rail flairs a little past the 10 inches.
Do you mean 11.5 or literally 11?
On my 11.5 mine easily cleared both AAC Mini4 and SOCOM RC.
- It’s a sig pm400 swat pistol I’m SBRing.
Plenty of clearance with a BCM 11.5 barrel, 10-inch KMR rail, and Surefire Socom RC.
Plenty like .5 inch? 
I’m hoping to not have to modify it with the actual 11 inch barrel.
BCM 11.5" barrel, 10" KMR and SilencerCo Saker 556 mounted on a Trifecta flash hider.
The KMR is not flat at the muzzle end. The sides protrude out past the top and bottom. If you use a 10" keymod rail that’s squared off at the end it would probably work.
Thank you, that was my big concern. Didn’t really want to have to mill it. Now I’m wondering what I should throw on there.
An 11.5 barrel.
I’d sell your SIG upper and just get a complete BCM BFM 11.5 KMR upper. Problem solved.
You’re a smart man. That might not be the worst decision, would you consider the switch from sig to the bcm a good upgrade? It’ll atleast save me 250 bucks for a new rail.
Yes, BCM has a significantly better rep for a reason. You won’t look back.
Never had a BCM rifle, just ran their BCGs and loved them. You sold me.
No good reason to beta test Sig pet projects just leaving infancy.