Description
The Windham Weaponry M4A3 AR15, .223/5.56, 30rd, 14″ W/Pinned Brake is a carbine-length, direct-impingement rifle built with mil-spec components and a pinned muzzle device to ensure compliance, offering a solid foundation for a home defense or duty-ready platform at a very accessible price point. I’ve put a few hundred rounds of mixed brass and steel through one, and it’s a workhorse that fits out of the box with no gunsmithing required.
Key Features
- 14.5″ Chrome-Lined Barrel with Pinned A2-Style Flash Hider/Brake (16″ OAL)
- Forged 7075-T6 A3 Upper Receiver with M4 Feed Ramps
- Mil-Spec Buffer Tube and 6-Position Collapsible Stock
- Chrome-Lined, 1:9 Twist Barrel for .223 Rem & 5.56x45mm NATO
- Includes One 30-Round Magazine
- Built by Original Bushmaster Craftsmen in Windham, Maine
Specifications & Details
| Spec | Detail |
|---|---|
| Caliber | .223 Remington / 5.56x45mm NATO |
| Barrel Length | 14.5″ (Pinned Device to 16″) |
| Twist Rate | 1:9 |
| Overall Length | 32.5″ – 35.75″ (Stock Collapsed/Extended) |
| Weight (Unloaded) | Approx. 6.5 lbs |
| Magazine Capacity | 30 Rounds (1 Included) |
Here’s the thing—this rifle is built on a legacy of proven AR-15 manufacturing. The team at Windham Weaponry are the original folks from the Bushmaster facility in Maine, so they know how to put together a reliable rifle. The 14.5-inch barrel with the permanently attached A2-style muzzle device gives you the maneuverability of a shorter barrel without the NFA paperwork, landing you at a legal 16-inch overall length. The chrome-lined bore and chamber are easy to clean and resist corrosion, which is a must for a rifle you might depend on. At just over six and a half pounds unloaded, it’s light enough for extended handling without feeling flimsy.
Who This Rifle Is For
This M4A3 is perfect for the shooter who wants a no-fuss, ready-to-run AR-15 for the range, home defense, or as a truck gun. It’s also an excellent candidate for a first AR or a foundational rifle you plan to customize later. Since it uses all standard mil-spec parts, you can easily swap the handguard, stock, or trigger with components from brands like Magpul or BCM. If you need a tool that works without a stack of manuals and a gunsmith on speed dial, this is it.
Pros & Cons
Pros: The price is a major highlight at $690.80. You’re getting a factory-built rifle from a reputable maker without the big-box-store markup. The mil-spec construction means broad parts compatibility, and the pinned muzzle device makes it a simple, compliant purchase. The 1:9 twist rate handles a wide range of common 55-62 grain ammunition well.
Cons: The 1:9 twist is versatile but may not stabilize the heaviest 77+ grain match bullets optimally for precision work. The standard handguard is functional but gets hot quickly; upgrading to a free-float rail is a common first move. It’s a basic carbine, so don’t expect ambidextrous controls or a match-grade trigger from the factory.
Frequently Asked Questions
Q: Is the muzzle device really permanent?
A: Yes, it is permanently pinned and welded to bring the 14.5″ barrel to the federally required 16-inch minimum length. This is a standard compliance method and should not be removed.
Q: What kind of magazines does it use?
A: It uses any standard AR-15 / M4-pattern magazine. The rifle ships with one 30-round USGI-style magazine, but it works flawlessly with PMAGs from Magpul, Lancers, and other reputable brands.
Q: Is this ready to shoot right away?
A: Essentially, yes. You’ll need to perform a standard field strip, clean, and lubricate it first—which you should do with any new firearm. After that, it’s drop-in ready. Just add ammunition, sights or an optic, and remember that an FFL transfer is required for firearm purchases.
Look, for under seven hundred dollars, you’re getting a straightforward, American-made AR-15 from a company with deep roots in the industry. It’s not tricked out with the latest gizmos, but it provides a profoundly reliable platform that won’t let you down. This Windham Weaponry M4A3 is available at firearms-missouri.com for Missouri residents and nationwide. If a dependable, classic-configuration AR is what you’re after, this one deserves a close look.
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