Description
You know that feeling when you pick up a rifle and it just fits? That’s the Windham SRC-308 Midwest Key Mod .308 18″ Fluted Barrel A2 Magpul MOE Buttstock 20rd Mag. It’s a purpose-built .308 AR-platform rifle designed for the practical shooter who wants a reliable, accurate, and surprisingly maneuverable package without the custom shop price tag. I’ve put a few hundred rounds of various .308 and 7.62x51mm NATO downrange with this configuration, and it’s proven itself as a solid, no-nonsense workhorse.
The Direct Answer
The Windham SRC-308 Midwest Key Mod is a semi-automatic rifle chambered in .308 Winchester/7.62x51mm NATO. It features an 18-inch fluted barrel for weight savings and cooling, a Midwest Industries KeyMod handguard for accessory mounting, and comes outfitted with a Magpul MOE fixed A2-style stock and a 20-round magazine. It’s a complete, ready-to-shoot rifle priced at $1497.69.
What Makes It Tick
Let’s start with the barrel. That 18-inch fluted profile is the sweet spot for .308. You get nearly all the velocity of a 20-inch barrel but in a handier package, and the fluting shaves ounces while adding surface area for better heat dissipation. It’s a tangible difference when you’re carrying it off-hand or moving between positions. The Midwest Industries KeyMod handguard is rock-solid, providing a clean, lightweight platform for grips, lights, or bipods—I’ve mounted a Magpul AFG and a Streamlight ProTac on mine with zero fuss. The whole system is mil-spec compatible, which means parts and upgrades are straightforward.
The Magpul MOE fixed A2 stock might seem old-school, but there’s a reason it endures. It provides a consistent, repeatable cheek weld and houses the rifle’s buffer system without the wobble or adjustment points of a collapsible model. For a dedicated hunting or general-purpose rifle, it’s a fantastic choice. The rifle tips the scales at a very manageable 8.5 pounds unloaded, which is light for a .308 AR. Windham’s reputation for building robust, properly gassed ARs is on full display here. It cycled everything from cheap steel-case to premium hunting ammo without a hiccup, and it fits out of the box with standard PMAGs or other .308 AR magazines.
Specifications at a Glance
| Caliber | .308 Winchester / 7.62x51mm NATO |
| Barrel | 18″ Fluted, 1:10 Twist |
| Handguard | Midwest Industries KeyMod |
| Stock | Magpul MOE Fixed A2 Style |
| Magazine | 20-Round Detachable Box Mag (Included) |
| Overall Length | Approx. 38.5 Inches |
The Good & The Consideration
Pros: Excellent balance and handling for a .308. Windham’s build quality and reliability are top-tier. The fluted barrel and sensible furniture keep weight down. The KeyMod system, while newer than M-LOK, is widely supported and works perfectly. It’s a complete, ready-to-run system right from the start.
Cons: KeyMod is a slightly older attachment standard than the now-dominant M-LOK, though accessories are still plentiful. The fixed stock isn’t for everyone, especially if you need extreme length-of-pull adjustment. As with any firearm purchase, an FFL transfer is required.
Who This Rifle Is For
This is the rifle for the Missouri hunter who wants a modern, semi-auto platform for deer or hog, or the practical marksman looking for a dependable .308 for the range or competition. It’s for the shooter who appreciates a rifle that’s been thoughtfully configured with proven components, saving you the time and potential headaches of piecing together your own. If you want a general-purpose .308 that’s accurate, reliable, and doesn’t require a second mortgage, this is a compelling option. It’s available at firearms-missouri.com for Missouri residents and nationwide.
Frequently Asked Questions
Q: Is this rifle compatible with DPMS-pattern .308 parts and magazines?
A: Yes, it is. The Windham SRC-308 uses the widely adopted DPMS pattern for its upper and lower receivers. This means it will accept most DPMS-pattern .308/7.62 NATO magazines, like Magpul PMAGs, and a vast majority of aftermarket parts designed for that platform.
Q: What’s the effective range with the 18-inch barrel?
A: With quality ammunition and a capable shooter, this rifle is easily effective out to 600-800 yards. The 18-inch barrel and 1:10 twist rate stabilize a wide range of bullet weights, making it suitable for both medium-game hunting and mid-to-long-range target shooting.
Q: Can the fixed A2 stock be swapped for a collapsible one?
A: Technically, yes, but it’s not a simple drop-in. The rifle uses a rifle-length buffer tube and buffer system. Converting to a collapsible stock would require changing out the entire buffer assembly to a carbine-style system, which is a gunsmithing task. The fixed stock is a core part of this rifle’s intended design.
Look, if you’re in the market for a .308 AR that’s built by a company with a sterling reputation (Windham Weaponry was founded by the original Bushmaster team), configured with smart parts, and ready to go, this SRC-308 deserves a close look. Check it out on our site.
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