AR 15 for Sale
Browse ar 15 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The AR-15, developed in the late 1950s by Eugene Stoner, revolutionized semi-automatic rifles. Its modular design offers adaptability and ease of customization. Today, the AR-15 remains one of the most popular rifle platforms for sport, defense, and competition.
Why It's a Top Choice
- Highly customizable with wide aftermarket support
- Lightweight, ergonomic design for all shooters
- Reliable operation with efficient direct impingement system
- Able to chamber various calibers beyond .223 Remington
- Strong community and parts availability nationwide
Key Variants
AR-15M
Modernized model favored by enthusiasts for enhanced controls and improved ergonomics.
AR-15A4
Military-style variant suitable for tactical applications with standard M4 features.
AR-15 Pistol
Compact, legal in many jurisdictions as a pistol, ideal for personal defense.
Competitor Comparison Table
| Feature | AR 15 | Ak-47 | Fn Scar |
|---|---|---|---|
| MSRP | $700–$1500+ | $600–$1000+ | $2500–$4000+ |
| Capacity/Size | Typically 30 rounds, various barrel lengths | 30 rounds, shorter barrels available | 20–30 rounds, modular sizing |
| Weight | 6.5–7.5 lbs (varies by build) | 7.9 lbs | 6.5–8.0 lbs |
| Optics-Ready | Yes, with Picatinny rails | Limited | Yes, advanced mounting options |
| Trigger Type | Single-stage or two-stage triggers | Single-stage, heavier pull | Single or two-stage triggers |
| Notable Pro | Extensive customization and parts availability | Rugged reliability worldwide | Modern design with ambidextrous controls |
| Notable Con | Requires regular maintenance for best performance | Heavier recoil and weight | Higher cost and complexity |
Best Use Cases
- Home and personal self-defense
- Law enforcement and military duty
- Competitive shooting sports
- Recreational range practice
- Light hunting of small to medium game
- Collector interest in firearms history
FAQs
Can I customize an AR-15 to different calibers?
Yes, the AR-15 platform supports multiple calibers via upper receiver and barrel swaps, including .223 Remington, 5.56 NATO, 6.5 Grendel, and others.
What is the typical magazine capacity for an AR-15?
Standard magazines typically hold 30 rounds, with options ranging from 10 to 60 rounds depending on use and legal restrictions.
How does the AR-15's gas system work?
It uses a direct impingement gas system that channels gas from the fired cartridge to cycle the bolt carrier, enabling semi-automatic fire.


