BCM® MK2 Standard 14.5" Mid Length Complete Upper Receiver Group w/ MCMR-13 Handguard

MSRP: $909.39
Your Price: $711.39
(You save $198.00 )
SKU:
BCM-MK2-URG-MID-14-MCMR-13
Maximum Purchase:
20 units
Caliber:
5.56 NATO
Barrel Length:
14.5in
Barrel Style:
Standard
Handguard:
MCMR-13
Upper Receiver:
MK2
Stock Status:

About the BCM® MK2 Standard 14.5" Mid Length Complete Upper Receiver w/ MCMR-13 Handguard

All BCM® Upper Receiver Groups with a MCMR Handguard Include:

  • One 3" Picatinny Rail Section 
  • One BCM MCMR Sling Mount

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.

Featuring BCM’s Patent Pending MK2 Upper Receiver

This proprietary design offers enhanced rigidity over the USGI product. The increased rigidity limits barrel deflection which aids in consistency/accuracy. Less flex also reduces premature damage, wear, and failure of bolt lugs from misalignment. A gas expansion chamber is machined above the charging handle track, combined with dual vents machined at the rear (each side, above the charging handle latch) to help to redirect and vent gas away from the shooter's face. 

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 infantrymen. 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 personnel, 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 1960s 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 the chamber is harder than the barrel steel and will aid in chambering, extraction, and reliability. It increases velocity and also resists fouling and corrosion from extended use in the field. This gives the end user a longer barrel life with less required time for 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 to resist corrosion from the elements. BCM barrels are phosphated before the 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 ammunition. 

HPT / MP Inspected Barrels

Military specifications require that barrels undergo an 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) is 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.

Shop Related Products:

Want to see more upper receivers? Click the links below to view more BCM® AR complete uppers!

 

Bravo Company builds: Life Saving Tools™
 
Copyright 2023 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.***

22 Reviews

  • 5
    Awesome upper

    Great upper and cycles amazing.

  • 5
    Bcm Mk2 upper

    Fit and finish are excellent. Bcm does a great job with the small details and quality control. I’m very please with my purchase and will be a lifelong customer

  • 5
    Mk2 14.5

    I was reluctant to buy this barrel due looking to spend a certain amount of money, but after breaking down and spending the money I quickly fell in love with how smooth this upper receiver performed! I ran several full magazines through it and not one malfunction or jam! Good work BCM!

  • 5
    Bcm 14.5 upper

    Excellent quality. Fit and finish is great. Have shot a few hundred rounds with no issues. Highly recommend.

  • 5
    Love this upper

    Love that it does not have a pencil barrel in it. So it stands up to more usage. Runs flawless. Just what I’ve come to expect from BCM. Excellence

  • 4
    BCM 14.5 upper

    Very pleased!!!

  • 5
    Quality and value

    This upper is fantastic. This was my first AR build and I decided to splurge a little on some higher quality parts, BCM definitely did not disappoint. The construction is solid, the MCMR handguard paired with the KAG provides and extremely comfortable grip, tactical charging handle makes manipulating the action super easy, and the BCG cycles flawlessly. I combined the mid length with their carbine buffer weight and the recoil feels like a BB gun. Put 300 rounds through it day one, zero malfunctions. You can't build a better rifle for the price point.

  • 5
    Complete upper

    A quality product all the way around at a very reasonable price.

  • 5
    Just as expected

    My first Bravo upper/rifle. I read many unbiased reviews on other websites and was told Bravo makes one of the most reliable rifles. I have t shot it yet but by the looks and feel I can easily see what the hype is about. Love the 14.5 with pinned and welded warcomp. It’s also a huge perk that they pin a send weld for you saving you the hassle. Fast shipping and top tier service. My next build will be a Bravo as well.