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16" .300 BLK AR-15 Rifle 15" M-LOK
SKU OH-OG04UPC 850078799678
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- Limited Lifetime warranty
- Ships to your dealer
How buying a rifle works
- Order online.Pick any options above, then check out.
- Choose your dealer.At checkout choose a dealer that is close to you for transfer.
- Pick it up.Your dealer checks your ID, runs the required background check and hands it over. You must be at least 18 to buy this rifle, or 21 where state or local law requires it.
One Horse Rifle Specifications
| Barrel | |
|---|---|
| Caliber | .300 BLK |
| Barrel Profile | SOCOM |
| Muzzle Thread | 5/8×24 |
| Twist Rate | 1:7 |
| Gas System | Pistol |
| Upper | |
| Handguard Length | 15 in. |
| Charging Handle | Standard |
| Lower | |
| Buffer Tube | Mil-Spec |
| Furniture | |
| Grip | A2 |
| Stock | One Horse M4 6 Position |
| In the box | |
| Magazine | 30 Round Magazine |
| Test Fired | Every firearm is test fired before it ships |
16" .300 BLK AR-15 Rifle 15" M-LOK
The One Horse 16″ .300 BLK AR-15 Rifle (OH-OG04) is our 300 Blackout rifle: a 16″ SOCOM profile barrel with a 1:7 twist, pistol-length gas, a 5/8×24 muzzle thread with an A2 flash hider, and a 15″ M-LOK handguard.
.300 BLK and 5.56/.223 use the same BCG. Upgrading yours? See the 300 Blackout BCG.
Specs at a glance
- .300 BLK caliber
- 16″ SOCOM profile barrel with a 1:7 twist
- Pistol-length gas system
- 5/8×24 muzzle thread with an A2 flash hider
- 15″ M-LOK handguard
- A2 grip, One Horse M4 6 position stock and mil-spec buffer tube
- One 30 round magazine in the box
- 7.14 lbs.
Suppressor pairing
On .300 BLK, One Horse pairs only the Ryn .30 cal titanium suppressor. The Ryn comes with a Plan B mount included. Suppressors ship to your dealer, and you fill out a 4473 there before you take it home.
Upgrade the BCG
The rifle comes with the standard One Horse black nitride BCG. Gold TiN, Chameleon and Nickel BCGs are installed options above.
Made in America and backed by a Limited Lifetime warranty. Orders of $399 or more ship free.
16" .300 BLK AR-15 Rifle 15" M-LOK questions
How do I get my rifle?
At checkout choose a dealer that is close to you for transfer. We ship to that dealer and you pick it up there.
How old do I need to be?
You must be at least 18 to buy this rifle, or 21 where state or local law requires it.
Does it ship free?
Orders of $399 or more ship free.
Is there a warranty?
Yes. One Horse backs it with a Limited Lifetime warranty.


