SBR barrel recomendation?...

[tradertator]

I'm fond of the 12.5" barrels. Noticeably less abusive than the 10.3 or 10.5 but retains the handiness.

Agreed, plus it's long enough for a midlength gas system.

My SBR is a MK18 Mod0 clone, and I admittedly have had zero issues with reliability. Now whether the bullet is still going fast enough to do enough damage is another question.

 

[Bfish]

Agreed, plus it's long enough for a midlength gas system.

My SBR is a MK18 Mod0 clone, and I admittedly have had zero issues with reliability. Now whether the bullet is still going fast enough to do enough damage is another question.

Post some pictures up of that beast! I love the Mod0's

 

[sgreen3]

I'm really thinking of getting a PSA 10.5" upper when they go back on sale missed it the last time they had it. Great price!

 

[indychad]

I'm partial to my BCM 11.5, but I think anything above 10.5 from a reputable brand will be good to go.

ETA: My 11.5 is my duty gun, and it is also suppressed. I picked the 11.5 because of the thread from BCM about dwell time and their reasoning for not offering a 10.5 option through their company.

I'm about 1200 rounds in suppressed, and about 500 unsuppressed and I've had absolutely no problems whatsoever. It's an awesome rifle.

What ammo/ weight bullet does it like best when unsuppressed? Also, what range are you able to maintain consistent effective hits at with the 11.5" BCM?

 

[Opie]

Been running a Colt 6933 with an 11.5 for 6-7 years now and I have not had a single malfunction. I have no issues trusting my life to that gun.

Effective range with some ammo is reduced to ~75 yards when you get down around 10-12" so keep that in mind. It's still a rifle round moving really damn fast no matter how you add it up.