Description
The Anderson MSR SA 223/5.56 NATO 6″ 6Pos Stock Black is a factory-built, budget-friendly AR-style pistol. It features a 6-inch barrel chambered in 5.56 NATO/.223 Remington, a 6-position adjustable stock, and a mil-spec lower receiver, offering a compact and versatile platform that ships to Missouri and compliant US states.
Key Features
- 6-Inch Barrel for Maximum Compactness
- Chambered in Versatile 5.56 NATO / .223 Remington
- 6-Position Adjustable Stock for Custom Fit
- Mil-Spec Lower Receiver for Broad Compatibility
- Complete, Ready-to-Fire Factory Assembly
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.56 NATO / .223 Remington |
| Barrel Length | 6 Inches |
| Stock | 6-Position Adjustable |
| Receiver | Mil-Spec Forged Aluminum |
| Overall Length (Approx.) | ~24 Inches (Stock Collapsed) |
| Weight (Approx.) | ~5.5 lbs |
Let’s talk about what you’re really getting for your money. At $676.41, this Anderson MSR represents a significant value in the crowded AR pistol market. You’re getting a complete, functional firearm without the headache and potential cost of sourcing parts and assembling it yourself. The 6-inch barrel makes it incredibly maneuverable, ideal for tight spaces or vehicle use. That said, such a short barrel on a 5.56 platform means you’ll trade some muzzle velocity for that compact profile—a practical tradeoff for the intended role. The heart of this package is the mil-spec lower receiver. This is the bang-for-buck cornerstone because it guarantees compatibility with a vast ecosystem of AR-15 parts and accessories. Want to swap the handguard or trigger? Parts from brands like Magpul, Bravo Company, or a drop-in trigger from Rise Armament will fit out of the box, requiring no gunsmithing for standard upgrades.
Who This Firearm Is For
This pistol is built for the budget-conscious shooter who wants a ready-made, compact AR platform. It’s a solid choice for a truck or home-defense firearm where size matters, or as a cost-effective foundation for a custom build. It’s also a great entry point for new owners intimidated by building from scratch but who still want platform familiarity and upgrade potential.
Pros & Cons
Pros: The primary advantage is immediate functionality at a competitive price point. The mil-spec design ensures long-term upgradeability and repair ease. Its compact 6-inch form factor is highly portable. Being a complete factory build, it comes ready to go after the standard FFL transfer required for firearm purchases.
Cons: The short barrel sacrifices ballistic performance; 5.56 rounds rely on velocity for optimal effect. You’ll experience significantly more muzzle blast and noise. It may not be the most range-friendly gun for prolonged sessions due to these factors, and its effective range is reduced compared to a rifle-length barrel.
Frequently Asked Questions
Q: Is this considered a pistol or a short-barreled rifle (SBR)?
A: In its factory configuration with a brace, it is classified as a pistol. Always verify current federal and state regulations, as classifications can change. It is available at firearms-missouri.com for Missouri residents and nationwide, following all applicable laws.
Q: What is the effective range with a 6-inch barrel?
A: Realistically, expect reliable effectiveness within 50-100 yards. While 5.56 can travel farther, the drastic velocity loss from the short barrel reduces both terminal performance and practical accuracy at extended distances compared to a 16-inch or longer barrel.
Q: Can I attach a vertical foregrip to this pistol?
A: Under federal law, attaching a vertical foregrip to a pistol with an overall length under 26 inches reclassifies it as an Any Other Weapon (AOW), requiring a tax stamp. We recommend consulting an FFL or legal expert before modifying the firearm’s configuration. The adjustable stock allows for an overall length of approximately 24 inches when collapsed.
Look, if you need a compact, no-fuss AR platform that leaves room in your budget for optics and ammo, the Anderson MSR SA 223/5.56 NATO 6″ 6Pos Stock Black is a compelling contender. It delivers core functionality and the invaluable benefit of the mil-spec AR ecosystem. Consider it a practical starting point for a specialized tool or a capable ready-to-run compact firearm. See the full details on our product page.
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