Description
The Inter Ordnance AR-15 KM15 is a budget-friendly, ready-to-run rifle chambered in 5.56 NATO/.223 Remington. It features a 16-inch barrel for legal compliance, a 15-inch KeyMod handguard for accessory mounting, and ships with a 30-round magazine. At $488.79, it’s a functional entry point into the AR-15 platform that ships to Missouri and compliant US states.
Key Features
- Budget-Conscious Build: Delivers core AR-15 functionality at a price point well below many big-name brands.
- 16″ Barrel: Standard carbine-length gas system provides a good balance of velocity and maneuverability without NFA paperwork.
- 15″ KeyMod Rail: Full-length M-LOK alternative handguard offers ample real estate for grips, lights, and lasers.
- Ready to Go: Includes a 30-round PMAG, so you can head to the range after a standard FFL transfer.
- Mil-Spec Foundation: Built with widely compatible components, allowing for easy upgrades down the line.
Specifications & Details
| Caliber | 5.56 NATO / .223 Remington |
| Barrel Length | 16 inches |
| Handguard | 15-inch KeyMod |
| Magazine | 30-round PMAG (included) |
| Weight (Approx.) | 6.5 lbs |
| Overall Length | 34-37 inches (stock extended/collapsed) |
Look, the specs tell a straightforward story. This is a no-frills AR built to a price, and that’s its main appeal. The 5.56/.223 chambering gives you access to the most common and affordable rifle ammunition on the market. The 15-inch rail covers most of the barrel, giving you plenty of mounting options and a comfortable forward grip. Here’s the thing—while KeyMod has been largely superseded by M-LOK in popularity, it’s still a functional system and attachments are readily available, often at a discount. The rifle uses a standard carbine-length gas system and is mil-spec compatible, meaning parts like triggers, grips, and stocks from companies like Magpul or BCM are drop-in ready. No gunsmithing required for most common upgrades.
Who This Rifle Is For
This rifle is built for the first-time AR buyer or the shooter who wants a dedicated beater/range toy without breaking the bank. It’s for the Missouri resident who values function over fancy roll marks and wants a reliable platform to learn on, customize gradually, or keep as a truck gun. If your goal is to get a working AR-15 into your safe for under five hundred bucks, this model squarely hits that target.
Pros & Cons
Pros: The price is the headline—$488.79 is hard to beat for a complete rifle. It’s a functional, shootable platform out of the box. The mil-spec design ensures broad parts compatibility for customization. It includes a quality 30-round Magpul PMAG, which is a small but meaningful value add.
Cons: The KeyMod handguard is a dated attachment system. You’re likely sacrificing some fit and finish, and potentially long-term durability, compared to rifles costing $200-$300 more. The barrel and trigger will be basic—adequate, but not precision-oriented. Think of it as a canvas, not a finished masterpiece.
Frequently Asked Questions
Q: Is this a complete rifle or just an upper?
A: It is a complete, functional rifle. You will need to undergo a standard background check and have it shipped to your local FFL dealer for transfer, but it comes ready to fire with a magazine included.
Q: Can I use .223 Remington and 5.56 NATO ammunition interchangeably?
A: Yes. A 5.56 NATO chamber like this one is designed to safely fire both .223 Remington and the higher-pressure 5.56 NATO rounds. The reverse (firing 5.56 in a .223-only chamber) is not recommended.
Q: What kind of accuracy can I expect from this rifle?
A: With its 16-inch barrel and basic components, expect standard “minute-of-man” accuracy suitable for plinking, training, and home defense within typical ranges—roughly 2-4 MOA with bulk ammunition. It’s a practical tool, not a match-grade precision rifle.
If you’re seeking an affordable, no-nonsense entry into the AR-15 world, the Inter Ordnance KM15 represents a solid value proposition. See full details and availability at firearms-missouri.com for Missouri residents and nationwide.



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