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Upgrade your rifle with the AR-15/M4 Flattop Upper Receiver Assembly! 🔧 Precision-engineered for a perfect fit and enhanced performance.

BRAVO COMPANY AR-15/M4 FLATTOP UPPER RECEIVER ASSEMBLY - BRAVO COMPANY UPPER RECEIVER ASSEMBLY

855877004442 100014626

Restrictions

Is a 'Call to order' product.

Top takeaways

The Bravo Company AR-15/M4 Flattop Upper Receiver Assembly is made from forged aluminum, includes a fully-assembled forward assist and ejection port cover, and is compatible with M4 barrel extensions.
This upper receiver features laser-etched T-marks for easy re-installation of accessories and has an interior dry film lubrication to reduce wear.
It is designed to mil-spec tolerances, has a tight fit for the barrel extension to improve accuracy, and is finished with hardcoat anodized matte black.

Attributes

Cartridge: 223 Remington,5.56 mm NATO,300 AAC Blackout,223 Wylde,6.8 mm Remington SPC
Colour: Black
Finish: Anodized
Make: AR-15
Style: Assembled
Delivery weight: 0.318kg
Shipping height: 68mm
Shipping width: 100mm
Shipping length: 234mm
UPC : 855877004442

Item details

Made in USA
US export classification: I(g)

Specifications:
Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout, 223 Wylde, 6.8 mm Remington SPC
Color: Black
Finish: Anodized
Make: AR-15
Style: Assembled

184.9 184.9 1 GBP

184.9 GBP 0 £184.90

Prices inclusive of duty & VAT.

Product no.: 100014626

Mfr. No.: BCM4-UR-M4

855877004442 Forged aluminum flattop receiver includes fully-assembled forward assist and ejection port cover and accepts barrels with M4 barrel extensions. All final dimensions machined to correct mil-spec tolerances to readily accept standard AR-15 parts to help you complete an upper receiver. Laser-etched T-marks on Picatinny rail enable easy removal and re-mounting of optics, sights, and other accessories in the correct position. Interior has dry film lubrication to help reduce wear. Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a hair dryer to warm up threaded bore of receiver if barrel extension is too tight.

Not available - Is a 'Call to order' product.

Not available.

Is a 'Call to order' product.

Not available.

Wish List Ask question

Requires order by phone

Specifications:
Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout, 223 Wylde, 6.8 mm Remington SPC
Color: Black
Finish: Anodized
Make: AR-15
Style: Assembled

Description:

Precise Dimensions Give Proper Fit & Function

Forged aluminum flattop receiver includes fully-assembled forward assist and ejection port cover and accepts barrels with M4 barrel extensions. All final dimensions machined to correct mil-spec tolerances to readily accept standard AR-15 parts to help you complete an upper receiver. Laser-etched T-marks on Picatinny rail enable easy removal and re-mounting of optics, sights, and other accessories in the correct position. Interior has dry film lubrication to help reduce wear. Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a hair dryer to warm up threaded bore of receiver if barrel extension is too tight.

Restrictions

Is a 'Call to order' product.

Top takeaways

The Bravo Company AR-15/M4 Flattop Upper Receiver Assembly is made from forged aluminum, includes a fully-assembled forward assist and ejection port cover, and is compatible with M4 barrel extensions.
This upper receiver features laser-etched T-marks for easy re-installation of accessories and has an interior dry film lubrication to reduce wear.
It is designed to mil-spec tolerances, has a tight fit for the barrel extension to improve accuracy, and is finished with hardcoat anodized matte black.

Attributes

Cartridge: 223 Remington,5.56 mm NATO,300 AAC Blackout,223 Wylde,6.8 mm Remington SPC
Colour: Black
Finish: Anodized
Make: AR-15
Style: Assembled
Delivery weight: 0.318kg
Shipping height: 68mm
Shipping width: 100mm
Shipping length: 234mm
UPC : 855877004442

Item details

Made in USA
US export classification: I(g)

Customers reviews

Customer ratings (10)

4.2 / 5

Definitely recommended

Great product 20/01/2018

Bought this for my daughter's rifle build. Took ten minutes with a heat gun and I had the barrel installed. Let it cool and it has no wobble. I'm buying another for my next build

Definitely recommended

Best forged upper available 22/10/2017

Barrel fits tight like it's supposed too, finish is perfect, dry lube coated on the inside (most aren't). They don't get any better than this, only cheaper, or more expensive. I've stopped buying anything else but BCM uppers and factory build lowers.

Definitely recommended

Works as advertised 01/06/2016

A few complaints about barrel not fitting into receiver. False. Most higher quality uppers fit tightly. So, without sounding too negative, if the barrel doesn't fit, learn to read BCM's site which tells builders it's a tight fit, and learn to build an AR. DO NOT HONE OR SAND with this receiver; no need. Anyway, the not-so-secret trick: (Optional: Put barrel in freezer for no less than an hour...results vary.) Warm the upper receiver barrel channel with a good hair dryer (get permission from owner first...lol) or heat gun. Apply lite coating of grease on barrel extension and inside barrel channel in receiver. Insert barrel into receiver. *Do the heating part, lube, and insert (yes, we're still talking about assembling an AR) barrel quickly, as the upper will lose heat quick. Ta-Da! It fits! Now, ensure to let the receiver/barrel combo come to room temperature before putting on barrel nut. ---This process is not new and just because other barrels have went right in other receivers just fine, doesn't mean the initial tight fit is not correct; the tight fit helps improve durability and accuracy. Lapping the receiver prior to doing the above can also remove unknowns in regards to possible inaccuracy. Ironically Brownells has a tool for that too.

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