Description
The Stag Arms Ar-15 20″ Left Handed is a complete, factory-built rifle designed specifically for left-handed shooters. It features a left-ejecting upper receiver and a 20-inch barrel, providing a dedicated platform that eliminates gas and brass to the face, improving safety and comfort for southpaws. This rifle is drop-in ready and ships to Missouri and compliant US states.
Key Features
- True Left-Handed Upper & Lower: Fully mirrored ejection port and controls.
- 20-Inch Barrel: Provides enhanced velocity and a longer sight radius for improved accuracy.
- Complete Rifle: No assembly required; ready for your FFL transfer.
- Mil-Spec Construction: Ensures reliability and broad parts compatibility.
- Budget-Friendly Left-Hand Option: Priced significantly lower than many custom builds.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.56 NATO / .223 Remington |
| Barrel Length | 20 inches |
| Twist Rate | 1:9 |
| Receiver | Forged Left-Handed |
| Weight (approx.) | 7.5 lbs |
| Magazine Capacity | 30 Rounds (Magazine not included) |
Here’s the thing—finding a dedicated left-handed AR-15 that doesn’t break the bank is a challenge. Stag Arms solves this by offering a factory-produced model at $840.07. That price point is tough to beat for a complete, purpose-built rifle. The 20-inch barrel isn’t just for looks; it squeezes more velocity out of your 5.56 rounds, which can be a real benefit for longer-range plinking or varmint control. The rifle uses a standard 1:9 twist rate, a good middle-ground for stabilizing a wide range of common .223 and lighter 5.56 ammunition. At roughly 7.5 pounds, it’s not the lightest AR on the market, but that weight contributes to a steadier hold and reduced felt recoil. The forged receivers are mil-spec compatible, meaning you can use a vast array of aftermarket AR-15 parts and accessories if you choose to customize later.
Who This Rifle Is For
This Stag Arms model is built for the left-handed shooter tired of adapting to right-handed platforms. It’s ideal for new southpaw owners wanting their first dedicated AR, budget-conscious hunters needing a reliable rifle for coyotes or prairie dogs, and recreational shooters who value comfort and safety over ultra-lightweight tactical builds. If you’ve been hit in the cheek with hot brass from a standard AR, you’ll instantly appreciate the value here.
Pros & Cons
Pros: Eliminates gas and brass deflection for left-handed shooters. Complete rifle at a competitive price. The 20-inch barrel offers ballistic advantages. High compatibility with standard AR-15 parts like triggers, grips, and stocks—works with Magpul furniture, for example. No gunsmithing required to start shooting.
Cons: Heavier and longer than carbine-length rifles, making it less maneuverable in tight spaces. Left-handed parts, while compatible with many standards, are a more specialized market if you need replacements. The 1:9 twist may not optimally stabilize the heaviest bullet weights over 70 grains.
Frequently Asked Questions
Q: Is this a complete rifle or just an upper?
A: This is a complete, factory-built rifle. It includes both the left-handed upper and lower receiver, barrel, handguard, and stock. You’ll need to arrange an FFL transfer for firearm purchases, but no additional assembly is required.
Q: Can I use standard AR-15 magazines and ammunition?
A: Absolutely. It chambers standard 5.56 NATO and .223 Remington rounds and accepts all mil-spec AR-15 magazines, including popular PMAGs from Magpul. The operating system is identical to a right-handed AR, just mirrored.
Q: How does this price compare to building a left-handed AR?
A: For $840.07, it’s often cheaper than sourcing a left-handed upper, lower, barrel, and parts kit separately—especially when you factor in the cost of tools for assembly. You’re paying a small premium for the left-hand configuration but saving on labor and potential headaches.
Available at firearms-missouri.com for Missouri residents and nationwide. If you’re a left-handed shooter seeking a dedicated, reliable AR-15 that works straight out of the box, this Stag Arms model represents a solid value.




Reviews
There are no reviews yet.