One Horse Complete Upper Receiver 5.56 NATO 10.5" with BCG and Charging Handle
$300.81
Take control of close-quarters engagements with the One Horse Complete Upper Receiver in 5.56 NATO. This 10.5″ upper features a 1:7 twist rate for optimal stabilization of a variety of ammunition, making it perfect for tactical home defense or short-barreled rifle builds. The lightweight 10″ M-Lok rail offers versatility for accessory mounting, while the nitride-finished bolt carrier group ensures reliable cycling and enhanced durability.
Out of stock
Dominate close-quarters scenarios with this 10.5" 5.56 NATO Complete Upper Receiver. Featuring a 10.5" barrel with a 1:7 twist rate this upper delivers reliable bullet stabilization for a wide range of 5.56 NATO ammunition ideal for tactical home defense or short-barreled rifle (SBR) and pistol builds. The 10" M-Lok rail provides a lightweight modular platform for mounting accessories while the nitride-finished bolt carrier group ensures smooth cycling enhanced durability and low maintenance. Complete with a charging handle and built to Mil-Spec standards this upper is ready to pair with any AR15 Mil-Spec lower receiver for a seamless high-performance setup.
- Caliber: 5.56mm NATO
- Barrel Profile: Medium
- Muzzle Thread: 1/2X28
- Twist Rate: 1/7
- Gas System: Pistol
- Material: 4150
- Handguard Length: 10 in.
- Charging Handle: Standard
- Manufacturer: One Horse
| Weight | 3.719 lbs |
|---|---|
| Dimensions | 25.500 × 3.250 × 3.000 in |
| Manufacturer | One Horse |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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