Quick Look
The AR-15 originated in the late 1950s as a lightweight, modular rifle designed by Eugene Stoner. Built for versatility and ease of customization, it appeals to a broad range of shooters. Today, the AR-15 is one of the most popular rifles in the civilian market for sport, defense, and competition.
Why It's a Top Choice
- Highly customizable with vast aftermarket parts
- Reliable semi-automatic performance
- Lightweight, ergonomic design
- Extensive caliber options available
- Suitable for various shooting disciplines
Key Variants
AR-15 Carbine
The standard variant favored for home defense and general shooting due to balanced size and weight.
AR-15 Mid-Length
Offers improved accuracy and recoil management, ideal for precision shooting.
AR-15 Pistol
Compact option suited for close-quarters defense with added maneuverability.
Competitor Comparison Table
| Feature | AR-15 | Ruger AR-556 | Smith & Wesson M&P 15 |
|---|---|---|---|
| MSRP | $700 – $1,500 | $800 – $1,100 | $900 – $1,400 |
| Capacity/Size | Typically 30-round mag, 16” barrel | 30-round mag, 16.1” barrel | 30-round mag, 16” barrel |
| Weight | 6.5 – 7.5 lbs | 6.75 lbs | 6.9 lbs |
| Optics-Ready | Picatinny rail standard | Picatinny rail standard | Picatinny rail standard |
| Trigger Type | Standard mil-spec or upgraded triggers | Standard mil-spec | Enhanced trigger options |
| Notable Pro | Unmatched aftermarket parts variety | Factory reliability and value | Robust build quality |
| Notable Con | Varied quality in used models | Limited model options | Higher MSRP |
Best Use Cases
- Home and personal defense
- Law enforcement duty use
- Competitive shooting sports
- Recreational target practice
- Plinking and small-game hunting
FAQs
Can I use standard AR-15 magazines with all variants?
Most AR-15 variants accept standard 30-round magazines, but compatibility depends on the specific model and upper receiver dimensions.
What is the typical barrel length on an AR-15?
Common barrel lengths include 16 inches for carbines, with options ranging from 7.5 to 20 inches depending on configuration.
How does an AR-15 pistol differ from a rifle?
An AR-15 pistol has a shorter barrel and lacks a shoulder stock, classifying it legally and functionally as a pistol, suitable for close quarters.







