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The Luth-AR A2 Upper Receiver is a stripped, carry-handle-style upper built for anyone chasing that timeless M16-A2 look. It carries the correct cuts for mounting an A2 rear sight with both windage and elevation adjustment, so you get the full authentic sighting setup once you add the rest of your parts. It also comes machined with a shell deflector, a forward assist housing, and provisions for installing an ejection port cover, giving you all the right pockets and features to complete a traditional build.
Being a stripped upper means this is the bare receiver only. There's no forward assist, dust cover, or A2 sight assembly installed, which is exactly what a lot of builders want. You source those components separately and match them to your exact configuration, whether that's a faithful retro clone or a fixed-handle range gun you plan to run for years.
This one starts as a premium 7075-T6 aluminum forging, then gets precision machined to final dimensions. From there it's hardcoat anodized for strength and finished with a tough, scratch-resistant Teflon coating that helps it shrug off the dings and wear that come with regular handling and time at the range. It's a mil-spec-pattern receiver, so it drops onto standard AR-15 lowers and works with standard barrel assemblies.
Worth knowing before you build: this A2 upper does not have M4-style feed ramp cuts. That's true to authentic A2 specs, so if you're going for a period-correct rifle it's exactly right. Just make sure your barrel extension matches the receiver, since pairing M4 ramp barrels with a non-M4 upper can cause feeding hiccups.
For traditionalists, iron-sight fans, and retro builders, this stripped A2 upper is a straightforward, well-made starting point that keeps you in charge of every part that goes on it.
No. This is the stripped version, so it ships as the bare receiver with the machined cuts for an A2 rear sight but no sight assembly installed. You'll need to add the A2 rear sight kit, forward assist, and ejection port cover separately to complete your build.
Yes. It's a mil-spec-pattern receiver machined to standard dimensions, so it pairs with standard AR-15 lower receivers and standard barrel assemblies. Just match your other components and you're good to go.
No, and that's by design. This receiver keeps the authentic A2 spec without M4-style ramp cuts, which is what retro and clone builders are after. Pair it with a barrel that uses standard (non-M4) feed ramps so everything lines up and feeds smoothly.
It starts as a 7075-T6 aluminum forging that's precision machined to final dimensions. The finish is hardcoat anodizing topped with a scratch-resistant Teflon coating, which holds up well to regular handling and range use over the long haul.
| UPC | 812058030751 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | UR-A2-S |
| Action | |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Color | Black |
| Length | 7'' |
| Model | |
| Product Type | Upper |
| Style | Stripped |
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