Luth-AR
Luth-AR A3 Flattop Upper Receiver Assembly .223/5.56 Charging Handle
Luth-AR A3 Flattop Upper Receiver Assembly .223/5.56 Charging Handle
The Luth-AR A3 Flattop Upper Receiver Assembly is a fully assembled upper receiver for .223/5.56 AR builds, supplied with a charging handle so the assembly arrives ready to mount. Its A3 flattop design carries a 12-position Picatinny accessory rail, giving you a continuous surface for scopes, optics, and flip-up sights.
Machined from a 7075-T6 aluminum forging and finished in hardcoat anodized black, the receiver includes an M4-type feed ramp, shell deflector, forward assist, and ejection port cover. Because the components are already installed, it replaces the separate parts and assembly steps a bare receiver would require.
Key Features
| Brand | Luth-AR |
| Product Type | Upper Receiver Assembly |
| Caliber | .223/5.56 |
| Model | A3 Flattop |
| Material | 7075-T6 Aluminum Forging |
| Finish | Hardcoat Anodized Black |
| Feed Ramp | M4-Type |
| Rail Type | 12-Position Picatinny |
| Features | Shell Deflector, Forward Assist, Ejection Port Cover |
| Assembly | Fully Assembled with Charging Handle |
| Condition | New |
Highlights
- Fully assembled .223/5.56 upper receiver with charging handle included
- A3 flattop design with a 12-position Picatinny accessory rail
- 7075-T6 aluminum forging with hardcoat anodized black finish
- M4-type feed ramp, shell deflector, forward assist, and ejection port cover
Compatibility
Chambered for .223/5.56, this upper receiver assembly is intended for AR rifle builds. The 12-position Picatinny rail accepts scopes, optics, and flip-up sights.
Frequently asked questions
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