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Radical Firearms
Overview
The Radical Firearms 5.56 Barreled AR-15 Upper features a complete assembly with a 16-inch barrel, designed specifically for the 5.56 NATO caliber. Its mid-length gas system provides a balanced cycling operation, which can enhance reliability and reduce recoil in your builds. This upper receiver is commonly used in builds that prioritize the mid-length gas system configuration, making it a solid choice for versatile shooting applications.
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Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Handguard
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas TubeAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 80 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 34 |
| Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15 | Handguard | 33 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 31 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 27 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 24 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 100% |
Builds in the community that include the Radical Firearms 5.56 Barreled Ar-15 Upper - 16" - Primary Arms Exclusive
| Build | Parts | Total |
|---|---|---|
 | 8 | $552.84 |
 | 26 | $1132.13 |
 | 19 | $3415.59 |
 | 12 | $703.54 |
 | 21 | $1098.87 |
 | 14 | $1162.47 |
| 12 | $1505.57 |
| 8 | $1097.93 |
 | 15 | $1249.48 |
 | 8 | $465.29 |
| 10 | $567.28 |
 | 32 | $2559.22 |
2 global ratings
radical firearms 16 inch barreled upper, primary arms BCG included. lines up perfect with my mil spec lower, takedown pins slip without rocking. ran 200 rds with no malfs. great value for a complete upper assembly
Radical Firearms upper is a budget option for a complete build. Cerakote finish is on the thicker side which made my BCG run tight for the first 100 rounds before it broke in. Once worn in cycles fine. Decent for a parts build, wouldnt run a high pressure load on it.