Kansas Gunshop is a Wichita, KS-based retailer specializing in modern sporting rifles and firearms accessories. The Alex PRO Firearms APF 15 Slim 350 Legend Rifle with Adjustable Stock offers a lightweight, versatile platform chambered in a popular straight-wall cartridge. Its slim profile and adjustable stock cater to various shooting preferences and body types. Available for $699.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications of the APF 15 Slim 350 Legend?
This Alex PRO Firearms APF 15 Slim 350 Legend Rifle is built for practical use, whether you’re hunting deer in Kansas or spending time at the range. It’s a solid, no-nonsense AR-platform rifle chambered for the .350 Legend cartridge, which has gained traction for its effectiveness and compliance in straight-wall cartridge hunting zones. The adjustable stock is a practical feature, allowing for quick length of pull adjustments, which is handy if different people are using the rifle or if you’re layering up for cold weather hunting. The slim handguard keeps the weight down and provides a comfortable grip.
| Product Type | Semi-Automatic Rifle |
|---|---|
| Caliber | .350 Legend |
| Action | Direct Impingement |
| Barrel Length | 16 inches |
| Barrel Material | 4150 Chrome Moly Vanadium |
| Barrel Twist Rate | 1:16 RH |
| Muzzle Device | A2 Flash Hider |
| Handguard | Slim M-LOK Compatible |
| Stock | Adjustable Carbine Stock |
| Receiver Material | 7075-T6 Forged Aluminum |
| Finish | Hard Coat Anodized, Black |
| Trigger | Mil-Spec |
| Magazine Capacity | 5-Round (varies by state/local laws) |
| Overall Length | Approx. 32.5″ – 35.75″ (adjustable) |
| Weight | Approx. 6.2 lbs (unloaded) |
| Country of Origin | USA |
| Condition | New |
| SKU | APF-15-350L-Slim-Adj |
What are the key features of this rifle?
The Alex PRO Firearms APF 15 Slim 350 Legend Rifle comes with a few features that make it a good option for a general-purpose AR. The 16-inch barrel is a practical length, offering a good balance of maneuverability and ballistic performance for the .350 Legend. The slim M-LOK handguard is a big plus; it keeps the rifle feeling light and allows for easy attachment of accessories like lights or slings without adding unnecessary bulk. The adjustable stock is a standard carbine pattern, which means it’s compatible with a wide range of aftermarket options if you ever want to change it out. Alex PRO Firearms builds these rifles to be reliable, and from what I’ve seen, they hold up well to regular use. It’s a straightforward AR-15 chambered in a cartridge that’s becoming increasingly popular, especially here in Kansas for deer season.
Who is this rifle designed for?
This Alex PRO Firearms APF 15 Slim 350 Legend Rifle is for the shooter who needs a reliable, straight-wall cartridge rifle without breaking the bank. It’s particularly well-suited for hunters in states like Kansas that have specific regulations regarding straight-wall cartridges for deer hunting. It’s also a good choice for someone looking for a lighter AR platform that’s easy to handle, or for a shooter who appreciates the versatility of an adjustable stock for different shooting positions or users. If you’re a first-time AR owner looking for a .350 Legend, this is a solid entry point.
Buy it if:
- ✅ You hunt in straight-wall cartridge zones like Kansas.
- ✅ You want a lightweight and maneuverable AR-15 platform.
- ✅ You need an adjustable stock for comfortable shooting by different users or in varying conditions.
- ✅ You’re looking for a reliable .350 Legend rifle at a competitive price.
- ✅ You appreciate the M-LOK system for accessory attachment.
Skip it if:
- ❌ You prefer a different caliber (see our Rifles for other options).
- ❌ You require a dedicated long-range precision rifle (this is more of a hunting/general-purpose rifle).
- ❌ You are looking for a highly customized, high-end competition AR (this is a solid, functional rifle, but not a custom build).
How does it compare to other rifles?
When you’re looking at AR-platform rifles, especially in .350 Legend, there’s a range of options. The Alex PRO Firearms APF 15 Slim sits comfortably in the mid-tier, offering good value for its features and build quality. Here’s a quick comparison:
| Feature | Alex PRO Firearms APF 15 Slim 350 Legend | “Budget Build” AR-15 (e.g., generic import) | Premium AR-15 (e.g., Daniel Defense DDM4 V7) |
|---|---|---|---|
| Material | 7075-T6 Forged Aluminum receivers, 4150 Chrome Moly Vanadium barrel | Lower-grade aluminum, potentially lesser barrel steel | High-grade 7075-T6 Forged Aluminum, Cold Hammer Forged barrel |
| Quality | Good, reliable components; solid manufacturing | Varies widely; potential for inconsistent fit/finish or reliability issues | High; precision machining, rigorous testing |
| Compatibility | Standard AR-15 parts compatibility | Generally standard AR-15, but some tolerances might be off | Standard AR-15, often with proprietary enhancements |
| Shipping | Same-day from Kansas Gunshop (Wichita, KS) | Varies by vendor; often slower or from less established sellers | Typically fast from established dealers |
| Lifespan/Durability | Years of regular use with proper maintenance | Potentially shorter, depending on specific components | Designed for extreme durability and heavy use |
| Price | $699.00 | ~$600-$750 (for a complete rifle) | ~$1,800 – $2,500+ |
The APF 15 Slim punches above its weight compared to some of the entry-level options without the premium price tag of a top-tier brand. You’re getting a well-made rifle that’s ready to go, without needing to immediately upgrade components to ensure reliability.
Are there any pros and cons to consider?
Pros:
- ✅ Chambered in .350 Legend: Ideal for straight-wall cartridge hunting regulations.
- ✅ Lightweight and Slim Profile: Easy to carry in the field and maneuver.
- ✅ Adjustable Stock: Accommodates different shooters and shooting positions.
- ✅ M-LOK Handguard: Provides versatile attachment points for accessories without excess bulk.
- ✅ Good Value: Offers a solid build and reliable performance at a competitive price point.
- ✅ Made in USA: Supports American manufacturing.
Cons:
- ❌ Mil-Spec Trigger: Functional, but some shooters might prefer a lighter, aftermarket trigger for precision work (see our AR Parts for trigger upgrades).
- ❌ Limited Caliber Options: This specific rifle is .350 Legend only, not multi-caliber.
- ❌ Basic Furniture: While functional, the stock and grip are standard and might be upgraded by some users for comfort or aesthetics.
Frequently Asked Questions
What makes the .350 Legend cartridge suitable for hunting?
The .350 Legend is a straight-wall cartridge, which means it meets the requirements for hunting deer in many states that restrict the use of bottlenecked rifle cartridges. It offers good terminal ballistics for medium-sized game like deer at moderate ranges, making it a popular choice for hunters in regulated areas.
Is the adjustable stock durable and easy to use?
Yes, the adjustable carbine stock on the APF 15 Slim is a standard, robust design. It’s made from durable polymer and features a simple lever mechanism for quick length-of-pull adjustments. It’s designed to hold up to field use and provide consistent performance.
What kind of accuracy can I expect from this rifle?
With quality ammunition, you can generally expect 2-3 MOA (Minute of Angle) accuracy with the Alex PRO Firearms APF 15 Slim 350 Legend Rifle. This is sufficient for hunting deer out to typical ethical ranges for the .350 Legend cartridge, which is usually within 150-200 yards.
Can I customize or upgrade this APF 15 Slim rifle?
Absolutely. The Alex PRO Firearms APF 15 Slim is built on the AR-15 platform, which is known for its modularity. You can easily swap out the stock, grip, trigger, and add M-LOK compatible accessories to the handguard. This allows you to tailor the rifle to your specific preferences and needs.
Where can I buy rifles online?
You can buy rifles online, including the Alex PRO Firearms APF 15 Slim 350 Legend Rifle, right here at Kansas Gunshop (kansas-gunshop.com). We ship firearms to your local FFL dealer for transfer, ensuring all federal and state laws are followed.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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Last updated: April 2026
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