CMMG Banshee 5.7x28mm Upper with 5" Barrel, Black - 57BBCF0AB
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CMMG
Overview
The CMMG Banshee 5.7x28mm Upper features a 5-inch barrel, designed to deliver high-velocity performance in the compact AR-15 platform. As a complete assembly, it simplifies the build process while allowing you to chamber the popular 5.7x28mm caliber, which is known for its flat trajectory and low recoil. This upper is often found in builds aimed at maximizing maneuverability and rapid target acquisition, making it a solid choice for those interested in a lightweight, high-performance setup.
Specifications
Frequently Built With
Based on build data
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Fortis SHIFT Vertical Grip - M-LOK
Timber Creek Enforcer AR Pistol Grip, Black - E ARPG BLK
B5 Systems Polymer Trigger Guard - Od Green
San Tan Tactical Enhanced Ar-15 Bolt Carrier Group - 5.56 - Nitride
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
| Product | Category | Times Built Together |
|---|---|---|
| Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11 | 4 | |
| Fortis SHIFT Vertical Grip - M-LOK | 3 | |
| Timber Creek Enforcer AR Pistol Grip, Black - E ARPG BLK | 3 | |
| B5 Systems Polymer Trigger Guard - Od Green | 2 | |
| San Tan Tactical Enhanced Ar-15 Bolt Carrier Group - 5.56 - Nitride | 2 | |
| Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.7x28mm | 100% |
Builds Featuring This Part
See all 1 →Builds in the community that include the CMMG Banshee 5.7x28mm Upper with 5" Barrel, Black - 57BBCF0AB
| Build | Parts | Total |
|---|---|---|
 | 8 | $1632.85 |
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