Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.
As a note: Prior to shipping, all BCM upper receiver groups are test fired for function, laser bore sighted with a Milspec carry handle for sight alignment within Mil-Specs, and then batch samples are test fired for accuracy. As such, the upper receiver group will show handling marks consistent with these quality control procedures.
PLEASE NOTE: These batches will sell out quickly.
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Professional Grade Weaponry, by BCM®
Made
by Bravo Company MFG, Inc. (BCM®) These Barreled Upper Receiver Groups
are designed for shooting professionals with the Mil-Spec features for
the demands of their duty. They are fully assembled, headspaced, and
test fired.
As a
note: BCM barrel components are parkerized separately before assembly.
Prior to shipping, all BCM upper receiver groups are test fired for
function, laser bore sighted with a Milspec carry handle for sight
alignment within Mil-Specs, and then batch samples are test fired for
accuracy. As such, the upper receiver group will show handling marks
consistent with these quality control procedures.
These upper groups come installed with the BCM® KMR 15" Handguard, and
barrel dimpled for strong install of Low Profile Gas Block.
BCM SS410™ Barrels
This
BCM stripped barrel is machined from a 410 stainless steel. It features
hand lapped button rifling with a 1/8 twist rate and M4 feedramps. To give the shooter the best balance of weight and accuracy this
BCM barrel has a mid-weight profile and a rifle length gas system.
(410 stainless is a harder and more corrosion resistant than the conventional 416 stainless found in most barrels.)
M4 Feed Ramp Barrel Extension
M4 Feed Ramp Flat Top Receiver
In
developing the USGI M4 carbine as one of the primary weapons for
today’s infantry, some modifications were performed to the original M16
platform to enhance the reliability of the shorter barreled carbines.
With the shorter carbine gas system and the increased gas port pressure,
the carbine cycled faster, and at times the cycle rate could be faster
than the magazine would feed ammunition. One of the modifications done
to increase reliable feeding included enhancing the angle and the length
of the feed ramps. This USGI modification was done to both the barrel
extension and the upper receiver, creating a longer and steeper feed
ramp. These Mil-Spec M4 feed ramps are part of the original CNC
manufacturing process. As a result, the factory machined M4 feed ramps
on the receiver are hard coat anodized which adds significant strength
to the aluminum. This feature is offered on all BCM uppers and all BCM
barrels.
T-Marked Upper Receiver
The
contemporary M16/M4 rifle is built around the concept of modularity.
All of the BCM flat top uppers feature a USGI type laser etched T-marks
to provide addressing for the remounting of tactical accessories such as
optics, laser sights, etc. This enables the weapon platform to be
easily configured and then accurately reconfigured for each specific
mission.
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