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My 6940 is the most accurate 16" 5.56 rifle I own, may be a fluke, may be the extra weight makes it easier to stabilize.
My BCM mid upper I built groups .5-1" more at 100 yds with the same Colt 6940 lower.
Owner/Instructor at Semper Paratus Arms
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Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
Not knocking either one, but I have had the opposite experience personally. My BCM 16 inch upper shot this 5 round group yesterday with 60 grain V-Max's at 101 yards off sand bags.
image.jpg
Last edited by ryantx23; 09-30-14 at 14:00.
Certified AR Armorer among many other things.
Semper Paratus Arms - 2014
That's great shooting.
In the future, PMAGs will be the currency standard.
You can still pick up at 6720 for 799 at PSA.
I prefer BCM with their much greater options when it comes to barrel length, gas system length, and barrel profile. Quality is pretty much a wash as far as I'm concerned.
I'd say both Colt and BCM carry a premium... you can get an upper with all the same specs from PSA, with a FN barrel, for hundreds less.
"This motto may adorn their tombs
(Let tyrants come and view):
We rather seek these silent rooms
Than live as slaves to you."
Lemuel Haynes, 1775
I just ordered a nice BCM upper with the free BCG and free compensator. Then I ordered a BCM lower from G&R. Even with a bit of upgrading I'll have about $1070 plus FFL fee for a complete above basic level rifle. So I have to vote BCM.
NRA Life Member, TSRA Life Member
Support the entire Constitution, not just the parts you like.
Common sense is only right wing if you are too far to the left.
A pistol without a round chambered is an intricate paperweight.
Stop trying so hard to be offended.
Would a qualified M4 guru please address this statement in a bit if detail? We know PSA sells FN barreled uppers, but what about the details like the PSA middy gas port size vs BCM middy? Does PSA torque their barrel nuts/muzzle devices to spec? Does PSA really sell uppers with the same specs as BCM or Colt? Not to change the title to BCM vs Colt vs PSA because they are not in the same league but comparing upper assemblies narrows the scope a bit.
Last edited by JS-Maine; 09-30-14 at 21:35.
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