Your Browser is Outdated
1 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
2 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
3 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
4 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
5 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
6 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
7 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
8 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
9 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
10 of 10 images
Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4
Tap Tap to Zoom
You May Also Like
Best Rated
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
List: $12.95
$11.95
Save Up to $1.00
Best Rated
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
List: $17.95
$16.95
Save Up to $1.00
Best Rated
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
List: $17.95
$16.95
Save Up to $1.00
Best Rated
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
List: $14.95
$13.95
Save Up to $1.00
Best Rated
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
List: $22.95
$20.45
Save Up to 11%
Best Rated
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
List: $15.95
$14.95
Save Up to $1.00
Blazin' Deal
TRYBE Defense AR-15 .223 Remington/5.56mm NATO A2 Flash Hider, black, A2FH556
List: $16.99
$8.62
Save Up to 49%
Blazin' Deal
TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
List: $132.99
$53.28
Save Up to 60%
Blazin' Deal
TRYBE Defense Low-Mass AR-15 Complete Bolt Carrier Group, Matte Gold Chrome, BCG556-LMGLD
List: $199.99
$122.48
Save Up to 39%
Blazin' Deal
TRYBE Defense Low-Mass AR-15 Complete Bolt Carrier Group, High-Polished Nickel Boron, BCG556-LMHPNB
List: $199.99
$147.55
Save Up to 26%
Questions & Answers
Customer Reviews
Helpful Positive Review
This works great and looks great as well, I got this on sale and could not be happier with the product! I was very happy with the fit and function. The extra coupons they sent in the box with it was a nice surprise also.
3/3 found this helpful
Helpful Positive Review
This was a great piece, solid for my build. BCM has never let me down.
1/1 found this helpful
Helpful Positive Review
Honestly I'm just happy that I can be able to buy one of these (very well made) things to start building out a new upper/set up. They do what they're supposed to, arrives very clean and to spec, no blemishes, and GTG.
1/1 found this helpful
Helpful Positive Review
Bcm upper great fit matched with a spikes lower receiver. Very good company also look at their enhanced lower parts kit with pnt trigger. Anything bcm is top notch from barrels right down to their bcg.
5/5 found this helpful
Helpful Positive Review
I have purchased two of these uppers. One for a 5.56, 16in ar15 build, and the other for a 300blk 10.5in build. Both uppers have been top notch quality. They have both had a snug fit with the barrels (fn 16in, faxon 10.5). I had to heat both of them ...
Read More...
2/3 found this helpful
Read More...
Helpful Positive Review
I love the undersized extension. You will need to apply heat to seat your barrel in the receiver. I greased the barrel extension, applied heat to the receiver with a hair dryer, and the barrel slid right in. Definitely the most secure fit of any uppe...
Read More...
2/2 found this helpful
Read More...
- Color:
- Black
- Finish:
- Black Hard Anodize
- Fabric/Material:
- 7075-T6 Aluminum
- Caliber:
- 5.56x45mm NATO
- Gun Model:
- AR-15, M4
- Condition:
- New
Code: BCM-UPR-BCM4-UR-M4-EE
MPN: BCM4-UR-M4
UPC: 855877004442
List: $202.35Save 21%
$159.99
Buy Together and Save
OP Bucks$3.20
Product Info for Bravo Company AR-15/M4 Complete Upper Receiver Assembly
The Bravo Company MFG AR 15/M4 Complete Upper Receiver Assembly is the perfect addition to your next AR 15 build. All AR15 Upper Receivers from Bravo Company are manufactured to correct Mil-Spec standards, so you can count on this to fit a wide variety of lower receivers and attachments with ease. The inside diameter for the barrel extension is slightly undersized to give it a tighter fit and make the rifle more accurate, ensuring you have the capabilities to hit your target. This complete upper receiver comes fully assembled with the forward assist and ejection port cover already installed, so pick one up today to complete your build.
Note: if the barrel extension is too tight, use a heat gun or hair dryer to warm up the threaded bore of the receiver before installing.
Specifications for Bravo Company AR-15/M4 Complete Upper Receiver Assembly:
| Manufacturer: | Bravo Company MFG |
| Color: | Black |
| Finish: | Black Hard Anodize |
| Fabric/Material: | 7075-T6 Aluminum |
| Caliber: | 5.56x45mm NATO |
| Gun Model: | M4, AR-15 |
| Condition: | New |
| Attachment Type: | Picatinny |
Features of Bravo Company MFG 4-UR-M4 Upper Assembly Flattop:
- Precision machined to correct Mil-Specs from 7075 T6 Forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills.
- Fully Assembled with forward assist, and ejection port cover
- Mil-Std 1913 Rail for mounting optics and accessories
- Machined for use with barrels that use an M4 barrel extension
- Laser etched T-markings for addressing the remounting of optics
- Includes Mil-Spec Forward Assist with heat treated tool steel pawl, with press fit and pinned cap
- Hard Coat Anodized per Mil-A-8625F, Type III, Class2
- Dry Film Lube on interior bore per Mil-Specs
Package Contents:
- Bravo Company AR 15/M4 Complete Upper Receiver Assembly
Bravo Company AR-15/M4 Complete Upper Receiver Assembly Orderable Models
List of Orderable Models
- Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 , MPN: BCM4-UR-M4 , UPC: 855877004442 , Code: BCM-UPR-BCM4-UR-M4-EE
Bravo Company AR-15/M4 Complete Upper Receiver Assembly Unavailable & Discontinued Models
List of Unorderable Models
- USED, Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 , MPN: BCM4-UR-M4-EDEMO , Code: BCM-UPR-BCM4-UR-M4-EDEMO-IN-C
- DEMO, Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 , MPN: BCM4-UR-M4-DEMO , Code: BCM-UPR-BCM4-UR-M4-DEMO
- USED Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4, EDEMO3, Condition Fair, Scratches , MPN: BCM4-UR-M4-EDEMO3 , Code: BCM-UPR-BCM4-UR-M4-EE-EDEMO-SC-D
- USED, Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 , MPN: BCM4-UR-M4-EDEMO , Code: BCM-UPR-BCM4-UR-M4-EE-EDEMO-US-D
- USED Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4, EDEMO4, Used, Condition Like New , MPN: BCM4-UR-M4-EDEMO4 , Code: BCM-UPR-BCM4-UR-M4-EE-EDEMO4
Compare (0)
1 item has been added
Add at least two items to compare