5.56 NATO 10.5" Pistol Medium Bbl Complete Upper Receiver
$285.21 at Kentucky Gun Co · 6 stores
In stock
5.56 NATO 16" Socom Mid Length Bbl Complete Upper Receiver
No ratings yetBest price
$317.40at Kentucky Gun Co
In stock checked Nov 13, 2026
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
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- One Horse
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Gas system
- Mid
- Barrel length
- 16"
- Twist rate
- 1:8
- Thread pattern
- ½ x 28
- Length
- 15"
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $317.40checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $349.99Salechecked Nov 12, 2026 | In stock | Buy at OpticsPlanet | |
| Guns.com | $239.99Salechecked Nov 12, 2026 | Check store | Buy at Guns.com | |
| GrabAGun | $289.99Salechecked Nov 12, 2026 | Check store | Buy at GrabAGun | |
| AR15Discounts 5% off | $319.99checked Nov 12, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $319.99checked Nov 12, 2026 | Check store | Buy at Dirty Bird | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $353.99checked Nov 13, 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: $293.89 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $319.99 | $319.99 | $319.99 |
| Brownells | $353.99 | $353.99 | $353.99 |
| Dirty Bird | $319.99 | $319.99 | $319.99 |
| GrabAGun | $289.99 | $289.99 | $289.99 |
| Guns.com | $239.99 | $239.99 | $299.99 |
| Kentucky Gun Co | $317.40 | $293.89 | $317.40 |
| OpticsPlanet | $349.99 | $339.99 | $353.49 |
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 7 stores (2 in stock), from $239.99 to $353.99. The lowest in-stock price in the last 30 days was $293.89 at Kentucky Gun Co.
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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