BCM® Standard 11.5" Carbine (Enhanced Lightweight *FLUTED*) Upper Receiver Group w/ KMR-A10 Handguard

MSRP: $956.95
Your Price: $708.35
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(34 reviews) Write a Review
5.56 NATO
Barrel Length:
Barrel Style:
Barrel Profile:
Enhanced Lightweight *FLUTED*
Stock Status:

All BCM® Upper Receiver Groups with a KMR-A Handguard Include:

  • One 3" Picatinny Rail Section
  • One BCM KeyMod Sling Mount
Bravo Company builds:  Life Saving Tools™
Manufactured by Bravo Company MFG, Inc. (BCM)
These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians 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.
M4 Feed Ramp Barrel Extension and Upper 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 upper receivers 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.
USGI 1/7 Twist Rate
The USGI 1/7 twist rate of all of the BCM barrels is the preferred twist rate by most professional infantryman. This twist rate has proven very versatile and can effectively run the new heavier 5.56 ammo that is hugely popular with military, private security personal, and personal defense for its' superior ballistics.
Mil-Spec Barrel Steel (Certified Mil-B-11595E)
BCM barrel steel is Mil-Spec per MIL-B-11595E, and is independently certified. This grade (CMV) of steel is a Mil-Spec steel used in the USGI M16 family of rifles; it is stronger and will last longer than the typical barrels offered in the commercial market. This Mil-Spec grade steel gets its' additional strength and rigidity from an increase in carbon and/or vanadium in the alloy. This will offer increased barrel life and performance through use in all types of extreme environments and temperatures.
Chrome Bore and Chamber
One of the first modifications that were made to the original M16 in the mid 1960's was the addition of the chrome lined bore and chamber. It is now a worldwide standard in the industry for a battle rifle. The chrome bore and chamber is harder than the barrel steel and will aid in chambering, extraction, and reliability. It increases velocity, and also resist against fouling and corrosion from extended use in the field. This gives the end user a longer barrel life with less required time in maintenance and cleaning.
Manganese Phosphate Barrel Finish
Barrels are parkerized with the manganese phosphate finish (Mil-Spec A-A-59267). Military specifications also state that the entire barrel surface is phosphate finished to create a porous surface to absorb oil as to resist against corrosion from the elements. BCM barrels are phosphated before installation of front sights. This is a much more extensive assembly operation, but insures that the entire barrel is finished and protected . . .even under the front sight base.
5.56 NATO Chambers
The USGI 5.56 NATO chamber is the best choice for effective deployment, reliability, and compatibility, of higher chamber pressures of military or high quality personal defense ammounition. 

HPT / MP Inspected Barrels
Military specifications require that barrels undergo a HPT (High-Pressure Test) load as a part of quality assurance procedures. Commonly referred to as a proof load, the M197 HPT is rated for 70,000 psi. BCM barrels are proof loaded and then MPI (Magnetic Particle Inspected) to detect any possible flaws in the barrels surface. The barrels are MP inspected with both circular and longitudinal magnetic fields per ASTME1444-01 (current Mil-Spec) to assure a high quality finished product. All BCM barrels are marked HP MP as our proof load marking.
Copyright 2019 Bravo Company MFG, Inc.
***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

34 Reviews

  • 4
    Looking forward to use this on my next SBR.

    Posted by Alex on Dec 28th 2016

    Still waiting on SBR paperwork, so I have not used this product yet, but it looks great on inspection. The fit and finish is very good, and the rest of my optics, sling, light, all installed well.

  • 5
    11.5" Upper

    Posted by Jake on Dec 28th 2016

    By far the lightest upper I have ever handled. Extremely well built. Glad I am a Larry Vickers fan and decided to go with BCM.

  • 5
    I can't even.

    Posted by Alexander Longsworth on Dec 28th 2016

    The upper I bought is exceptional. Shipping was fast, I think it shipped out the next business day. It came with a bunch of cool posters, hat, decals, etc. Price was good considering BCM is on the higher end of the AR world. I find a lot of their stuff very reasonably priced. I also like the pistol grips- so much that I put them on both of my rifles.

  • 5

    Posted by Joseph Bobak on Dec 28th 2016

    Upper is light weight and compact. I changed my SBR upper to this BCM and the change is great! My daily carry rifle. Fast shipping and great service!

  • 5
    BCM+KMR+Anything = Quality

    Posted by Paul Piotrowski on Dec 28th 2016

    Not my first order with BCM. They're my go to for high quality across the board. I've previously ordered a 16" ELW-F KMR upper from them and it has been flawless. It only made sense when I wanted to assemble a pistol I went back to BCM. Just great service, great quality, great product!

  • 5

    Posted by Owen on Dec 28th 2016

    Places my order at 10pm before going to bed. Woke up around 8am to find my order had already been shipped. Received my order quickly and was packaged well. BCM also took the time to throw in some neat little cheap gifts with the order. BCM just gained a happy customer who plans to order from them frequently. I suggest this company to all my co-workers.

  • 5

    Posted by daniel kern on Nov 19th 2016

    Looks high quality and nice and light. Haven't shot yet.

  • 5
    11.5" Upper

    Posted by Dennis on Sep 22nd 2016

    Great upper for that SBR or Pistol build. Extremely light, functions properly, and came exactly how described. Will be doing business again soon!

  • 5
    Light and compact

    Posted by Jesse on Sep 22nd 2016

    This makes an SBR nice and light. The keymod handguards are also very slim and comfortable. A very solid light upper.