Description
Let me paint you a picture. You’re on a Missouri ridge line at dawn, the wind’s a whisper, and you need to reach out and touch a target at a distance where other calibers start to wave the white flag. That’s the scenario the CMMG MK3 P, 6.5 Creedmoor, 20″ Barrel, Magpul MOE Stock, Magpul MOE Grip, Black was built for. I’ve put a few hundred rounds of Hornady Match through this rig, and here’s the straight talk from one shooter to another.
The CMMG MK3 P in 6.5 Creedmoor is a purpose-built, precision-oriented AR-platform rifle. It features a 20-inch barrel for optimal velocity, a Magpul MOE stock and grip for proven ergonomics, and is chambered in the renowned long-range 6.5 Creedmoor cartridge. It’s a ready-to-go system for hunters and target shooters who demand accuracy without the custom shop price tag, available at firearms-missouri.com for Missouri residents and nationwide.
Here’s the thing—this isn’t a plinker. That 20-inch barrel is the heart of the system. In the 6.5 Creedmoor world, barrel length is your friend for squeezing out every last foot-per-second, and this one gives the heavy, high-BC bullets the runway they need to truly shine. I’ve found it consistently delivers sub-MOA groups with quality factory ammo, which at this price point of $1544.97, is exactly what you’re hoping for.
The Magpul furniture isn’t just for looks. The MOE stock is rock-solid with no wobble, and the MOE grip angle just feels right for a precision shooting posture. It’s a drop-in ready package that works. You don’t need to start swapping parts out of the gate. The rifle uses a standard AR-10 pattern, meaning it’s compatible with a huge array of aftermarket triggers, handguards, and accessories from brands like Geissele and Aero Precision if you do decide to personalize it later.
Weighing in at around 9.5 pounds unloaded, it’s got a substantial feel that aids in stability off the bench or bipod. It’s not a mountain rifle you’d want to carry all day, but for a stationary hunt or a long day at the range, that heft soaks up recoil and makes follow-up shots easy. The 6.5 Creedmoor itself is a mild-mannered round, especially in a platform this size, so you can shoot it all afternoon without the shoulder punishment of a .308.
| Spec | Detail |
|---|---|
| Caliber | 6.5 Creedmoor |
| Barrel Length | 20 Inches |
| Stock | Magpul MOE Rifle Stock |
| Grip | Magpul MOE Grip |
| Operating System | Direct Impingement |
| Finish | Black Anodized |
Pros: Outstanding out-of-the-box accuracy potential. The 20″ barrel maximizes 6.5 Creedmoor ballistic performance. Magpul furniture provides immediate comfort and control. Built on a reliable, familiar AR-10 platform that’s easy to maintain and customize. A solid value for a dedicated long-range tool.
Cons: It’s a full-size, heavy rifle—not for dynamic shooting or long hauls. As with any AR-10 pattern gun, magazine compatibility is key (it uses SR-25/DPMS pattern mags). Ammo cost is higher than .223/5.56, but that’s the nature of precision cartridges.
Who is this for? This is for the Missouri whitetail hunter setting up on a bean field edge, the shooter wanting to consistently hit steel at 600+ yards without breaking the bank on a custom bolt gun, or anyone who appreciates the modularity of the AR platform but needs the reach of 6.5 Creedmoor. It bridges the gap between a generic hunting rifle and a full-blown competition rig perfectly.
Frequently Asked Questions
Q: What magazines does this rifle use?
A: It uses the SR-25/DPMS pattern .308/6.5 Creedmoor magazines. Magpul PMAGs in this pattern are widely available, reliable, and what I’d recommend.
Q: Is the barrel threaded for a muzzle device?
A: Yes, the 20-inch barrel comes with a standard thread pattern (typically 5/8″-24), ready for a muzzle brake, compensator, or suppressor mount. A good brake makes an already mild-recoiling round even more of a pleasure to shoot.
Q: Is it ready to shoot out of the box?
A: Absolutely. It comes fully assembled. You’ll need to add an optic (or iron sights), a magazine, and ammunition. Remember, an FFL transfer is required for firearm purchases, so we’ll ship it to your local dealer for a smooth, legal pickup.
If you’ve been looking for a straightforward, capable entry into the long-range AR world, the CMMG MK3 P in 6.5 Creedmoor deserves a close look. Check its availability on our site.
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