Radical Firearms115762987
Radical Firearms Complete Upper Assembly - .223 Remington, 16" Barrel, M-LOK Handguard$335.21
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Availability: In Stock
Current Stock: Out of stock
Building a 7.62x39 AR can be challenging when quality upper assemblies are hard to find, but the Radical Firearms Complete 7.62x39 Upper Assembly gives you a ready-to-go solution that skips the hassle of sourcing and assembling individual components. Whether you're converting an existing lower receiver or completing a full build, this upper handles the 7.62x39 cartridge with the precision machining and structural integrity you need for reliable range work and hunting applications. Radical Firearms designed this assembly to perform whether you're a first-time builder or an experienced gunsmith.
The upper features a free-float rail system that isolates the barrel from the handguard, reducing harmonic vibration and supporting tighter groups downrange. The receiver itself is forged from 7075 T6 aluminum—a military-grade alloy chosen for strength-to-weight balance—and finished with Type III hard-coat anodizing for durability and corrosion resistance. That combination means this upper is built to handle extended use on the range and in the field without premature wear.
Dropping this upper onto a compatible AR-15 lower receiver is straightforward, and you're ready to shoot. If you're tired of cobbling together mismatched parts or waiting for inventory, a complete upper assembly cuts through the friction and gets you running 7.62x39 faster.
| Caliber | 7.62x39 |
| Receiver Material | Forged 7075 T6 Aluminum |
| Receiver Finish | Type III Hard-Coat Anodizing |
| Rail System | Free-Float |
| Brand | Radical Firearms |
This is a standard AR-15 upper assembly and will fit any properly spec'd AR-15 lower receiver. Confirm your lower is chambered or accepts 7.62x39 components before pairing.
This is a complete upper assembly. Once you mount it to a compatible lower receiver and install the charging handle and bolt carrier group (if not already in your lower), you're ready to shoot.
Free-floating the barrel isolates it from pressure changes in the handguard, reducing vibration that can shift point of impact. This leads to more consistent accuracy at distance compared to a fixed rail.
7075 T6 is a high-strength alloy used in military and aerospace applications. It provides excellent strength-to-weight ratio and resists fatigue, making it ideal for the stresses of firing and the long-term durability expected in a rifle receiver.
SKU: 115797459 • Width: 4.25in • Height: 4.25in • Depth: 29in • Weight: 5.19oz
Availability: In Stock
Current Stock: Out of stock
Building a 7.62x39 AR can be challenging when quality upper assemblies are hard to find, but the Radical Firearms Complete 7.62x39 Upper Assembly gives you a ready-to-go solution that skips the hassle of sourcing and assembling individual components. Whether you're converting an existing lower receiver or completing a full build, this upper handles the 7.62x39 cartridge with the precision machining and structural integrity you need for reliable range work and hunting applications. Radical Firearms designed this assembly to perform whether you're a first-time builder or an experienced gunsmith.
The upper features a free-float rail system that isolates the barrel from the handguard, reducing harmonic vibration and supporting tighter groups downrange. The receiver itself is forged from 7075 T6 aluminum—a military-grade alloy chosen for strength-to-weight balance—and finished with Type III hard-coat anodizing for durability and corrosion resistance. That combination means this upper is built to handle extended use on the range and in the field without premature wear.
Dropping this upper onto a compatible AR-15 lower receiver is straightforward, and you're ready to shoot. If you're tired of cobbling together mismatched parts or waiting for inventory, a complete upper assembly cuts through the friction and gets you running 7.62x39 faster.
| Caliber | 7.62x39 |
| Receiver Material | Forged 7075 T6 Aluminum |
| Receiver Finish | Type III Hard-Coat Anodizing |
| Rail System | Free-Float |
| Brand | Radical Firearms |
This is a standard AR-15 upper assembly and will fit any properly spec'd AR-15 lower receiver. Confirm your lower is chambered or accepts 7.62x39 components before pairing.
This is a complete upper assembly. Once you mount it to a compatible lower receiver and install the charging handle and bolt carrier group (if not already in your lower), you're ready to shoot.
Free-floating the barrel isolates it from pressure changes in the handguard, reducing vibration that can shift point of impact. This leads to more consistent accuracy at distance compared to a fixed rail.
7075 T6 is a high-strength alloy used in military and aerospace applications. It provides excellent strength-to-weight ratio and resists fatigue, making it ideal for the stresses of firing and the long-term durability expected in a rifle receiver.
SKU: 115797459 • Width: 4.25in • Height: 4.25in • Depth: 29in • Weight: 5.19oz