Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly

Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly - Upper Receiver for AR-15 - view 1
Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly - Upper Receiver for AR-15 - view 2
Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly - Upper Receiver for AR-15 - view 3
Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly - Upper Receiver for AR-15 - view 4
Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly - Upper Receiver for AR-15 - view 5

Bravo Company

Overview

The Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly is a upper receiver. Compare prices from multiple merchants and find the best deal.

Specifications

MPNBCM4-UR-M4
AssemblyStripped
PlatformAR-15

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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%
Frequently Built With Products
ProductCategoryTimes Built Together
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension3
Strike Industries Collar Adjustable Gas Block3
Griffin Armament Mk1 Ar-15 Stripped Lower Receiver3
PSA AR-15 Blem "Stealth" Stripped Lower Receiver2
Radian Weapons Ar-15 Enhanced Takedown Pin Set Black2
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black2
Build Platform Breakdown
PlatformPercentage
AR-15100%

Builds Featuring This Part

See all 8

Builds in the community that include the Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly

BuildPartsTotal
new 5.56 build
10$844.70
For prs 6"
15$1094.89
16"
9$489.13
As a truck gun 18"
19$1242.09
hog hunter 14.7" 5.56
27$2940.95
8" foxtrot mike products build
9$869.48
16" build
23$1398.73
12.5" 5.56
8$873.28

Customer reviews

5.0out of 5

1 global rating

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Top reviews

T
tiller.300
BCM flattop forged upper
Reviewed on April 11, 2026Verified with Build

BCMs forged flattop has M4 feed ramps cut correctly and the picatinny top is straight. Anodizing is the standard BCM matte black. Forward assist port and ejection port are dimensionally correct, all my parts dropped in. Solid mid-range upper that wont let you down.

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