Description
Picture this: you’re glassing a pasture at first light, the crosshairs settled on a coyote working the treeline at 300 yards. You need a rifle that bridges the gap between a standard 5.56 and a heavy-barreled .308—something flat-shooting, hard-hitting, and built for a steady shot from a bipod or bag. That’s the mission profile of the Stag Arms Stag 15 Super Varminter 6.8mm Rem, 20.7″ Barrel, Magpul MOE Stock, Black, 10rd.
Answer Capsule: The Stag Arms Stag 15 Super Varminter is a dedicated AR-platform rifle chambered in 6.8mm Remington SPC. It features a precision-oriented 20.7-inch barrel, a Magpul MOE stock for a solid cheek weld, and ships in a 10-round configuration. Designed for extended-range varmint and predator control, it delivers superior ballistic performance over common 5.56mm rounds.
Here’s the thing—the 6.8 SPC cartridge was developed to offer more downrange energy and better wind-bucking capability than the 5.56 NATO, especially from intermediate distances. This rifle is built to harness that potential. The heart of the system is that 20.7-inch, 1:11 twist barrel. The extra length allows the 6.8mm projectile to reach its optimal velocity, translating to a flatter trajectory and more consistent terminal performance on medium-sized game. At a total length of approximately 39 inches, it balances maneuverability from a vehicle or blind with the stability needed for precise shots.
The platform is built on a mil-spec compatible upper and lower receiver set, ensuring broad parts compatibility and reliability you can count on. The Magpul MOE stock isn’t just for looks; it provides a consistent and comfortable cheek weld for scope alignment, and its friction-lock system eliminates annoying wobble. The rifle is drop-in ready, requiring no gunsmithing to get you from the box to the bench. Simply pair it with a quality optic, and you’re zeroed in. The total weight, unloaded, sits around 8.5 lbs, giving it a solid, planted feel that aids in recoil management and steady holds.
| Specification | Detail |
|---|---|
| Caliber | 6.8mm Remington SPC |
| Barrel Length | 20.7 Inches |
| Overall Length | ~39 Inches |
| Stock | Magpul MOE |
| Magazine Capacity | 10 Rounds |
| Finish | Black Hardcoat Anodized |
Pros & Cons
Pros: The 6.8 SPC offers a tangible ballistic advantage for hunters and shooters needing more punch past 200 yards. The rifle’s construction is robust, and the Magpul furniture enhances ergonomics right out of the box. The price point of $898.54 is competitive for a dedicated, factory-built varmint AR.
Cons: Ammunition for 6.8 SPC is not as ubiquitous or inexpensive as 5.56/.223. The rifle’s longer barrel and configuration make it less ideal for tight-quarters work—that’s simply not its intended role.
Who It’s For
This rifle is for the Missouri hunter or landowner who needs to effectively manage predators like coyotes, bobcats, or feral hogs at extended ranges. It’s for the shooter who understands the limitations of their .223 on larger varmints and wants a dedicated tool that fills the gap without stepping up to a heavier, more punishing caliber. It’s also an excellent platform for those interested in practical mid-range shooting sports.
Frequently Asked Questions
Q: Is this rifle compatible with my existing AR-15 parts and magazines?
A: No. The 6.8mm Remington SPC requires a specific bolt carrier group, barrel, and magazines. It will not function with standard 5.56 NATO components. The lower receiver is AR-15 patterned but must be used with 6.8 SPC upper assemblies and dedicated magazines.
Q: What kind of effective range can I expect with the 6.8 SPC from this barrel?
A: With proper ammunition selection, the 6.8 SPC is capable of ethical and effective shots on varmint-sized game out to 400+ yards. The 20.7-inch barrel helps maximize velocity, making those longer shots more manageable with less holdover.
Q: What optics would you recommend for this setup?
A: A variable-power scope in the 3-9x, 4-12x, or 3-15x range is ideal. Brands like Vortex, Leupold, and Primary Arms offer excellent models with BDC or MIL/MOA reticles suited for the 6.8 SPC’s trajectory. A good mount is essential—American Defense Manufacturing (ADM) and Aero Precision make reliable options.
Ready to add a purpose-built, long-range varmint solution to your arsenal? This Stag Arms Super Varminter is available at firearms-missouri.com for Missouri residents and nationwide. FFL transfer required for firearm purchases.




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