One Horse M16 Bolt Carrier Group 5.56/.300 BLK Nitride
$82.25
Upgrade your AR15 with the One Horse M16 Bolt Carrier Group, designed for reliable performance in both 5.56/.223 and .300 Blackout calibers. Its full nitride finish enhances durability and corrosion resistance, while the Mil-Spec construction ensures smooth cycling and dependable extraction. Experience a rugged, easy-to-maintain solution backed by robust 9310 Tool Steel and 8620 AQ Steel components.
47 in stock
Run your rifle with confidence using this reliable M16 bolt carrier group. Built for 5.56/.223 and .300 Blackout it delivers smooth cycling consistent extraction and dependable performance in any setup. The full nitride finish adds durability corrosion resistance and easy maintenance all backed by Mil-Spec construction and a properly staked gas key.
A simple rugged upgrade for any AR15 build.
- 9310 Tool Steel Bolt
- 8620 AQ Steel Carrier
- Full MIL-SPEC Heat Treatment
- Magnetic Particle Inspection (MPI)
- Back of Lugs Chamfered for Reliability
- Spring Insert & O-Ring Installed on Bolt Extractor
- Salt Bath Nitrided Bolt Carrier & Cam Pin
- S7 Extractor
- Staked Gas Key with Grade 8 Fasteners
- Full Auto Compatible
- Forward Assist Serrations
- All USA Materials and Manufacturing
| Weight | 0.752 lbs |
|---|---|
| Dimensions | 12.000 × 4.000 × 1.000 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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