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Product information
Overview
One Horse Complete Upper Receiver .300 BLK 10.5" with BCG and Charging Handle
Description
Conquer close-quarters with this compact 10.5" .300 Blackout Complete Upper Receiver. Featuring a 10.5" barrel with a 1:7 twist rate this upper ensures optimal stabilization for both subsonic and supersonic rounds making it ideal for tactical hunting or suppressed AR15 pistol builds. The 10" M-Lok handguard provides a lightweight modular platform for mounting accessories while the nitride-finished bolt carrier group delivers 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: .300 BLK
- Barrel Profile: Medium
- Muzzle Thread: 5/8X24
- Twist Rate: 1/7
- Gas System: Pistol
- Material: 4150
- Handguard Length: 10 in.
- Country of Origin: U.S.A
Specifications
| Manufacturer | One Horse |
|---|---|
| SKU | CSSI|OHCU05 |
| UPC | 850078799326 |
| Manufacturer Part Number | OH-CU05 |
| Color | Black |
| Length | 10.5'' |
| Rate of Twist | 1-7 |
| Shipping Weight | 3.76 |
| Style | Complete |
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Questions & answers
How will this item ship?
Eligible non-firearm items may ship to an address that meets shipping rules, or you can choose local pickup at STX Bullseye when available. Restrictions can apply by product and destination.
Does this require an FFL transfer?
This listing does not require an FFL transfer. Firearm receivers and other regulated items are labeled separately when FFL transfer is required.
What if I have compatibility questions?
Contact STX Bullseye before purchase if you need help confirming fitment, caliber, or mount compatibility. Staff can review the listing details with you.
How do I contact STX Bullseye?
Call (956) 314-0879 or visit the Contact page. Store hours and location details are listed on Contact and About.
Answers are general store information and are not personalized legal advice.
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