5.56 NATO 10.5" Pistol Medium Bbl Complete Upper Receiver
$307.49 at OpticsPlanet · 3 stores
In stock Sale
5.56 NATO 16" Socom Mid Length Bbl Complete Upper Receiver
One Horse · Upper Receiver
No ratings yetBest price
$339.99at OpticsPlanet
In stock checked Oct 2, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $339.99checked Oct 2, 2026 | In stock | Buy at OpticsPlanet | |
| Brownells | $353.99checked Oct 2, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $339.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $353.99 | $353.99 | $353.99 |
| OpticsPlanet | $339.99 | $339.99 | $339.99 |
Since Sep 28, 2026.
About this part
The 5.56 NATO 16" Socom Mid Length Bbl Complete Upper Receiver is an AR-15 complete upper receiver from One Horse. It's sold by 2 stores (1 in stock), from $339.99 to $353.99. The lowest in-stock price in the last 30 days was $339.99 at OpticsPlanet.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Mid-length · Handguards
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- One Horse
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
ONE HORSE 5.56 NATO COMPLETE UPPER RECEIVER W/MID-LENGTH SOCOM BBL FOR AR-15 Upgrade your AR platform with a reliable 16" 5.56 NATO complete upper receiver built for accuracy, durability, and smooth operation. Designed as a ready-to-run solution, this upper is fully assembled and pins directly onto any mil-spec AR-15 lower for quick, hassle-free installation. At the core is a 16" barrel with a 1:8 twist rate, offering versatile performance and consistent accuracy across a wide range of bullet weights. The mid-length gas system provides smoother cycling and reduced recoil, improving overall shooting comfort and control. The 15" fr Mfg: One Horse
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