CUSTOM AR 15 for Sale
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Quick Look
The AR-15 platform originated in the late 1950s as a lightweight, versatile rifle designed by Eugene Stoner. It emphasizes modularity and adaptability for diverse user needs. Today, custom AR-15s are popular among enthusiasts for their personalized configurations and broad aftermarket support.
Why It's a Top Choice
- Highly customizable with countless parts and accessories
- Proven reliability with proper maintenance
- Modular design suits multiple roles and calibers
- Strong community and aftermarket ecosystem
- Adaptable for hunting, defense, and competition
Key Variants
AR-15 16-inch
Standard barrel length favored for general-purpose use and balance of maneuverability and velocity.
AR-15 18-inch
Longer barrel for improved accuracy and velocity, ideal for precision shooters.
AR-15 Piston
Piston-driven variants reduce fouling and increase reliability in tough conditions.
Competitor Comparison Table
| Feature | Custom AR-15 | Ak-47 | Sig MCX |
|---|---|---|---|
| MSRP | $800–$2,500 (varies widely) | $700–$1,200 | $1,800–$2,500 |
| Capacity/Size | Typically 30 rounds, 5.56 NATO | 30 rounds, 7.62x39mm | 20–30 rounds, 5.56 or .300 BLK |
| Weight | 6.5–7.5 lbs (varies) | 7.7–8.0 lbs | 6.7–7.4 lbs |
| Optics-Ready | Yes, typically Picatinny rail | Limited | Yes, integrated rail system |
| Trigger Type | Varies (mil-spec to aftermarket) | Single-stage | Single-stage or 2-stage |
| Notable Pro | Unmatched modularity and aftermarket support | Robust, simple design | Ambidextrous controls, compact |
| Notable Con | Maintenance-intensive if neglected | Heavier, less ergonomic | Higher price point |
Best Use Cases
- Self-defense and home protection
- Law enforcement and military applications
- Competition shooting and tactical training
- Hunting various game (with appropriate caliber)
- Range practice and marksmanship development
- Collecting for customization and upgrades
FAQs
Can I customize the barrel length on a custom AR-15?
Yes, the AR-15 platform supports various barrel lengths, commonly ranging from 10.5 to 24 inches depending on user needs and legal restrictions.
What is the standard caliber for a custom AR-15?
Most custom AR-15 rifles use 5.56 NATO/.223 Remington, but many variants are chambered in calibers like .300 Blackout or 6.5 Grendel.
How does the piston-driven AR-15 differ from direct impingement?
Piston-driven models reduce fouling in the action by using a piston to cycle the bolt instead of gas directly, improving reliability under adverse conditions.
