BCM® Standard 16" Mid Length (LIGHT WEIGHT) Upper Receiver Group (.625FSB)

MSRP: $539.00
Was: $539.00
Your Price: $439.00
(You save $100.00 )
(39 reviews) Write a Review
SKU:
BCM-URG-MID-16LW
Features:
M4 Feed Ramp Barrel Extension
Stock Status: In Stock
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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.

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.
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 and private security personal for its superior ballistics.
Mil-Spec 11595E - Barrel Steel
BCM® barrel steel is Mil-Spec per MIL-B-11595E. 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. The 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 on the USGI M16/M4 rifles 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 ammo.
Mil-Spec F-Marked Forged Front Sight Bases
Mil-Spec for rifles issued to the troops require taller front sight bases on all flat top AR rifles. Many commercial offerings use M16A2 height front sight bases on all of their barrels regardless of what type of upper it is installed on. As a result, owners of rifles and carbines with the flat top receiver configuration can have problems getting a proper 'zero' for elevation with Mil-Spec back up iron sights. As all of the BCM® uppers are built for flat top uppers, all have the proper Mil-Spec F marked front sight base to insure the correct height for iron sight zeroing when using military iron sights. Mil-Spec taper pins secure the forged front sight base with the sling swivel secured by tubular rivets.
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 2005 - 2010 Bravo Company MFG, Inc.

39 Reviews

  • 5
    Customer review

    Posted by paul wisham on May 8th 2019

    I replaced a "jamamatic" PSA upper with this one and could not be happier

  • 5
    K.I.S.S.

    Posted by KRISTOPHER DIMAURO on May 8th 2019

    Added a BCM QRF for a clean K.I.S.S. Build.

  • 5
    light weight upper

    Posted by John Smith on Apr 10th 2019

    nice light weight upper build quality is vary nice would vary much recommend.

  • 5
    Fast shipping quality products

    Posted by john on Apr 28th 2018

    Great to deal with and high quality workmanship

  • 5
    Customer review

    Posted by Natalie DiCosta on Mar 10th 2018

    Review body is empty

  • 5
    Upper and barrel

    Posted by Hickey on Dec 28th 2016

    Great lightweight upper and barrel made from quality material. Just what I was looking for. If only they made .308

  • 5
    BCM lightweight upper

    Posted by Eric on Dec 28th 2016

    Super fast shipping, arrived in just a few days. The upper is flawless, super lightweight and durable. Definitely buy one if you are thinking about it. You can't go wrong with BCM!

  • 4
    Great upper, but home smiths beware

    Posted by Double J on Dec 28th 2016

    This is probably the best upper you can buy, so long as you never intend to work on it. If you like to do your own ARs, look elsewhere. I just had the pleasure of removing the FSB and flash hider to change the endcap from triangle to round, not something to mess with at home. Put the pins in the wrong holes as well, so now I get to knock them back out and re-do it. Other than that, very nicely assembled, looks great.

  • 5
    Another awesome experience.

    Posted by Douglas Tilley on Dec 27th 2016

    Great quality upper shipped lighting fast. The extra swag seems to keep growing each upper I buy too. This is the fifth upper I've purchased from BCM and there are numerous reasons why.